diff --git a/browser_patches/firefox/UPSTREAM_CONFIG.sh b/browser_patches/firefox/UPSTREAM_CONFIG.sh
index 7956cc114d..c1afbe1b76 100644
--- a/browser_patches/firefox/UPSTREAM_CONFIG.sh
+++ b/browser_patches/firefox/UPSTREAM_CONFIG.sh
@@ -1,3 +1,3 @@
 REMOTE_URL="https://github.com/mozilla/gecko-dev"
 BASE_BRANCH="release"
-BASE_REVISION="bc78b98043438d8ee2727a483b6e10dedfda883f"
+BASE_REVISION="5cfa81898f6eef8fb1abe463e5253cea5bc17f3f"
diff --git a/browser_patches/firefox/juggler/TargetRegistry.js b/browser_patches/firefox/juggler/TargetRegistry.js
index c40c831d01..586f6c9af5 100644
--- a/browser_patches/firefox/juggler/TargetRegistry.js
+++ b/browser_patches/firefox/juggler/TargetRegistry.js
@@ -393,7 +393,7 @@ class PageTarget {
     this._videoRecordingInfo = undefined;
     this._screencastRecordingInfo = undefined;
     this._dialogs = new Map();
-    this.forcedColors = 'no-override';
+    this.forcedColors = 'none';
     this.disableCache = false;
     this.mediumOverride = '';
     this.crossProcessCookie = {
@@ -635,7 +635,8 @@ class PageTarget {
   }
 
   updateForcedColorsOverride(browsingContext = undefined) {
-    (browsingContext || this._linkedBrowser.browsingContext).forcedColorsOverride = (this.forcedColors !== 'no-override' ? this.forcedColors : this._browserContext.forcedColors) || 'no-override';
+    const isActive = this.forcedColors === 'active' || this._browserContext.forcedColors === 'active';
+    (browsingContext || this._linkedBrowser.browsingContext).forcedColorsOverride = isActive ? 'active' : 'none';
   }
 
   async setInterceptFileChooserDialog(enabled) {
@@ -858,8 +859,8 @@ function fromProtocolReducedMotion(reducedMotion) {
 function fromProtocolForcedColors(forcedColors) {
   if (forcedColors === 'active' || forcedColors === 'none')
     return forcedColors;
-  if (forcedColors === null)
-    return undefined;
+  if (!forcedColors)
+    return 'none';
   throw new Error('Unknown forced colors: ' + forcedColors);
 }
 
@@ -893,7 +894,7 @@ class BrowserContext {
     this.forceOffline = false;
     this.disableCache = false;
     this.colorScheme = 'none';
-    this.forcedColors = 'no-override';
+    this.forcedColors = 'none';
     this.reducedMotion = 'none';
     this.videoRecordingOptions = undefined;
     this.crossProcessCookie = {
diff --git a/browser_patches/firefox/juggler/components/Juggler.js b/browser_patches/firefox/juggler/components/Juggler.js
index d919935fb5..aa51a88879 100644
--- a/browser_patches/firefox/juggler/components/Juggler.js
+++ b/browser_patches/firefox/juggler/components/Juggler.js
@@ -105,7 +105,10 @@ class Juggler {
         };
 
         // Force create hidden window here, otherwise its creation later closes the web socket!
-        Services.appShell.hiddenDOMWindow;
+        // Since https://phabricator.services.mozilla.com/D219834, hiddenDOMWindow is only available on MacOS.
+        if (Services.appShell.hasHiddenWindow) {
+          Services.appShell.hiddenDOMWindow;
+        }
 
         let pipeStopped = false;
         let browserHandler;
diff --git a/browser_patches/firefox/patches/bootstrap.diff b/browser_patches/firefox/patches/bootstrap.diff
index 5902d600c2..785f3e485f 100644
--- a/browser_patches/firefox/patches/bootstrap.diff
+++ b/browser_patches/firefox/patches/bootstrap.diff
@@ -106,10 +106,10 @@ index 213a99ed433d5219c2b9a64baad82d14cdbcd432..ee4f6484cdfe80899c28a1d9607494e5
  browser/chrome/browser/content/activity-stream/data/content/tippytop/favicons/allegro-pl.ico
  browser/defaults/settings/main/search-config-icons/96327a73-c433-5eb4-a16d-b090cadfb80b
 diff --git a/browser/installer/package-manifest.in b/browser/installer/package-manifest.in
-index da760e143740a166df14d055cf3ec7b095b93d10..a7579b3eae69f3b706094693d9b0edaec049e83b 100644
+index 8aa6bf65634b6b82d448d57b337c3186bc6e5f96..49e98523b335d982a63863f6b93ae3db443fc925 100644
 --- a/browser/installer/package-manifest.in
 +++ b/browser/installer/package-manifest.in
-@@ -189,6 +189,9 @@
+@@ -196,6 +196,9 @@
  @RESPATH@/chrome/remote.manifest
  #endif
  
@@ -167,10 +167,10 @@ index d49c6fbf1bf83b832795fa674f6b41f223eef812..7ea3540947ff5f61b15f27fbf4b95564
    const transportProvider = {
      setListener(upgradeListener) {
 diff --git a/docshell/base/BrowsingContext.cpp b/docshell/base/BrowsingContext.cpp
-index e1721f31d491aa8a7977eaca3d2f7f8a048546de..b3bc2d575dc3f794cbc08c603e70d34bbe69efed 100644
+index 9b5c8143cb7f31a2eac982b0bbec4985816bdf5a..104ec4e5221af5647a776711fd349bbb0817aff4 100644
 --- a/docshell/base/BrowsingContext.cpp
 +++ b/docshell/base/BrowsingContext.cpp
-@@ -106,8 +106,15 @@ struct ParamTraits<mozilla::dom::DisplayMode>
+@@ -106,8 +106,11 @@ struct ParamTraits<mozilla::dom::DisplayMode>
  
  template <>
  struct ParamTraits<mozilla::dom::PrefersColorSchemeOverride>
@@ -181,14 +181,10 @@ index e1721f31d491aa8a7977eaca3d2f7f8a048546de..b3bc2d575dc3f794cbc08c603e70d34b
 +template <>
 +struct ParamTraits<mozilla::dom::PrefersReducedMotionOverride>
 +    : public mozilla::dom::WebIDLEnumSerializer<mozilla::dom::PrefersReducedMotionOverride> {};
-+
-+template <>
-+struct ParamTraits<mozilla::dom::ForcedColorsOverride>
-+    : public mozilla::dom::WebIDLEnumSerializer<mozilla::dom::ForcedColorsOverride> {};
  
  template <>
- struct ParamTraits<mozilla::dom::ExplicitActiveStatus>
-@@ -2818,6 +2825,40 @@ void BrowsingContext::DidSet(FieldIndex<IDX_PrefersColorSchemeOverride>,
+ struct ParamTraits<mozilla::dom::ForcedColorsOverride>
+@@ -2865,6 +2868,23 @@ void BrowsingContext::DidSet(FieldIndex<IDX_ForcedColorsOverride>,
    PresContextAffectingFieldChanged();
  }
  
@@ -208,29 +204,12 @@ index e1721f31d491aa8a7977eaca3d2f7f8a048546de..b3bc2d575dc3f794cbc08c603e70d34b
 +    }
 +  });
 +}
-+
-+void BrowsingContext::DidSet(FieldIndex<IDX_ForcedColorsOverride>,
-+                             dom::ForcedColorsOverride aOldValue) {
-+  MOZ_ASSERT(IsTop());
-+  if (ForcedColorsOverride() == aOldValue) {
-+    return;
-+  }
-+  PreOrderWalk([&](BrowsingContext* aContext) {
-+    if (nsIDocShell* shell = aContext->GetDocShell()) {
-+      if (nsPresContext* pc = shell->GetPresContext()) {
-+        pc->MediaFeatureValuesChanged(
-+            {MediaFeatureChangeReason::SystemMetricsChange},
-+            MediaFeatureChangePropagation::JustThisDocument);
-+      }
-+    }
-+  });
-+}
 +
  void BrowsingContext::DidSet(FieldIndex<IDX_MediumOverride>,
                               nsString&& aOldValue) {
    MOZ_ASSERT(IsTop());
 diff --git a/docshell/base/BrowsingContext.h b/docshell/base/BrowsingContext.h
-index 61135ab0d7894c500c3c5d80d107e283c01b6830..cc8eb043f1f78214843ec7b335dd9932587d9bbd 100644
+index 98a34cab1ffd393a5ee3cbca7799d024b3d4ac71..fdba3572ed3d2c7a6491c42ee535bf04a3585da4 100644
 --- a/docshell/base/BrowsingContext.h
 +++ b/docshell/base/BrowsingContext.h
 @@ -203,10 +203,10 @@ struct EmbedderColorSchemes {
@@ -246,33 +225,27 @@ index 61135ab0d7894c500c3c5d80d107e283c01b6830..cc8eb043f1f78214843ec7b335dd9932
    FIELD(EmbedderElementType, Maybe<nsString>)                                 \
    FIELD(MessageManagerGroup, nsString)                                        \
    FIELD(MaxTouchPointsOverride, uint8_t)                                      \
-@@ -244,6 +244,10 @@ struct EmbedderColorSchemes {
+@@ -246,6 +246,8 @@ struct EmbedderColorSchemes {
     * <browser> embedder element. */                                           \
    FIELD(EmbedderColorSchemes, EmbedderColorSchemes)                           \
    FIELD(DisplayMode, dom::DisplayMode)                                        \
 +  /* playwright addition */                                                   \
 +  FIELD(PrefersReducedMotionOverride, dom::PrefersReducedMotionOverride)      \
-+  /* playwright addition */                                                   \
-+  FIELD(ForcedColorsOverride, dom::ForcedColorsOverride)                      \
    /* The number of entries added to the session history because of this       \
     * browsing context. */                                                     \
    FIELD(HistoryEntryCount, uint32_t)                                          \
-@@ -937,6 +941,14 @@ class BrowsingContext : public nsILoadContext, public nsWrapperCache {
-     return GetPrefersColorSchemeOverride();
+@@ -946,6 +948,10 @@ class BrowsingContext : public nsILoadContext, public nsWrapperCache {
+     return GetForcedColorsOverride();
    }
  
 +  dom::PrefersReducedMotionOverride PrefersReducedMotionOverride() const {
 +    return GetPrefersReducedMotionOverride();
 +  }
-+
-+  dom::ForcedColorsOverride ForcedColorsOverride() const {
-+    return GetForcedColorsOverride();
-+  }
 +
    bool IsInBFCache() const;
  
    bool AllowJavascript() const { return GetAllowJavascript(); }
-@@ -1101,6 +1113,23 @@ class BrowsingContext : public nsILoadContext, public nsWrapperCache {
+@@ -1125,6 +1131,15 @@ class BrowsingContext : public nsILoadContext, public nsWrapperCache {
    void WalkPresContexts(Callback&&);
    void PresContextAffectingFieldChanged();
  
@@ -284,32 +257,24 @@ index 61135ab0d7894c500c3c5d80d107e283c01b6830..cc8eb043f1f78214843ec7b335dd9932
 +  void DidSet(FieldIndex<IDX_PrefersReducedMotionOverride>,
 +              dom::PrefersReducedMotionOverride aOldValue);
 +
-+
-+  bool CanSet(FieldIndex<IDX_ForcedColorsOverride>,
-+              dom::ForcedColorsOverride, ContentParent*) {
-+    return IsTop();
-+  }
-+
-+  void DidSet(FieldIndex<IDX_ForcedColorsOverride>,
-+              dom::ForcedColorsOverride aOldValue);
 +
    void DidSet(FieldIndex<IDX_MediumOverride>, nsString&& aOldValue);
  
    bool CanSet(FieldIndex<IDX_SuspendMediaWhenInactive>, bool, ContentParent*) {
 diff --git a/docshell/base/CanonicalBrowsingContext.cpp b/docshell/base/CanonicalBrowsingContext.cpp
-index f0d8cb25398472d8720fcacc47081d95d3e9887c..a680d4458360c8515712ef0a986415113ae8a4e0 100644
+index 57bd331851a3604a2d413bf2f0142532d341fa19..68dda8274473d99953d2bee0640d5bec5479827f 100644
 --- a/docshell/base/CanonicalBrowsingContext.cpp
 +++ b/docshell/base/CanonicalBrowsingContext.cpp
-@@ -324,6 +324,8 @@ void CanonicalBrowsingContext::ReplacedBy(
-   txn.SetHasRestoreData(GetHasRestoreData());
+@@ -325,6 +325,8 @@ void CanonicalBrowsingContext::ReplacedBy(
    txn.SetShouldDelayMediaFromStart(GetShouldDelayMediaFromStart());
    txn.SetForceOffline(GetForceOffline());
+   txn.SetTopInnerSizeForRFP(GetTopInnerSizeForRFP());
 +  txn.SetPrefersReducedMotionOverride(GetPrefersReducedMotionOverride());
 +  txn.SetForcedColorsOverride(GetForcedColorsOverride());
  
    // Propagate some settings on BrowsingContext replacement so they're not lost
    // on bfcached navigations. These are important for GeckoView (see bug
-@@ -1594,6 +1596,12 @@ void CanonicalBrowsingContext::LoadURI(nsIURI* aURI,
+@@ -1610,6 +1612,12 @@ void CanonicalBrowsingContext::LoadURI(nsIURI* aURI,
      return;
    }
  
@@ -323,7 +288,7 @@ index f0d8cb25398472d8720fcacc47081d95d3e9887c..a680d4458360c8515712ef0a98641511
  }
  
 diff --git a/docshell/base/nsDocShell.cpp b/docshell/base/nsDocShell.cpp
-index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c4032e9f9b4b 100644
+index 17f0d7fa7032a0aade92a8ecacd27017fea28a05..e1728e7cb162fcd96478050eab45ed439098c5b0 100644
 --- a/docshell/base/nsDocShell.cpp
 +++ b/docshell/base/nsDocShell.cpp
 @@ -15,6 +15,12 @@
@@ -385,7 +350,7 @@ index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c403
        mAllowAuth(mItemType == typeContent),
        mAllowKeywordFixup(false),
        mDisableMetaRefreshWhenInactive(false),
-@@ -3046,6 +3063,214 @@ nsDocShell::GetMessageManager(ContentFrameMessageManager** aMessageManager) {
+@@ -3018,6 +3035,214 @@ nsDocShell::GetMessageManager(ContentFrameMessageManager** aMessageManager) {
    return NS_OK;
  }
  
@@ -600,7 +565,7 @@ index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c403
  NS_IMETHODIMP
  nsDocShell::GetIsNavigating(bool* aOut) {
    *aOut = mIsNavigating;
-@@ -4739,7 +4964,7 @@ nsDocShell::GetVisibility(bool* aVisibility) {
+@@ -4714,7 +4939,7 @@ nsDocShell::GetVisibility(bool* aVisibility) {
  }
  
  void nsDocShell::ActivenessMaybeChanged() {
@@ -609,7 +574,7 @@ index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c403
    if (RefPtr<PresShell> presShell = GetPresShell()) {
      presShell->ActivenessMaybeChanged();
    }
-@@ -6688,6 +6913,10 @@ bool nsDocShell::CanSavePresentation(uint32_t aLoadType,
+@@ -6641,6 +6866,10 @@ bool nsDocShell::CanSavePresentation(uint32_t aLoadType,
      return false;  // no entry to save into
    }
  
@@ -620,7 +585,7 @@ index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c403
    MOZ_ASSERT(!mozilla::SessionHistoryInParent(),
               "mOSHE cannot be non-null with SHIP");
    nsCOMPtr<nsIDocumentViewer> viewer = mOSHE->GetDocumentViewer();
-@@ -8420,6 +8649,12 @@ nsresult nsDocShell::PerformRetargeting(nsDocShellLoadState* aLoadState) {
+@@ -8373,6 +8602,12 @@ nsresult nsDocShell::PerformRetargeting(nsDocShellLoadState* aLoadState) {
                       true,  // aForceNoOpener
                       getter_AddRefs(newBC));
        MOZ_ASSERT(!newBC);
@@ -633,7 +598,7 @@ index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c403
        return rv;
      }
  
-@@ -9556,6 +9791,16 @@ nsresult nsDocShell::InternalLoad(nsDocShellLoadState* aLoadState,
+@@ -9520,6 +9755,16 @@ nsresult nsDocShell::InternalLoad(nsDocShellLoadState* aLoadState,
                     nsINetworkPredictor::PREDICT_LOAD, attrs, nullptr);
  
    nsCOMPtr<nsIRequest> req;
@@ -650,7 +615,7 @@ index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c403
    rv = DoURILoad(aLoadState, aCacheKey, getter_AddRefs(req));
  
    if (NS_SUCCEEDED(rv)) {
-@@ -12754,6 +12999,9 @@ class OnLinkClickEvent : public Runnable {
+@@ -12724,6 +12969,9 @@ class OnLinkClickEvent : public Runnable {
        mHandler->OnLinkClickSync(mContent, mLoadState, mNoOpenerImplied,
                                  mTriggeringPrincipal);
      }
@@ -660,7 +625,7 @@ index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c403
      return NS_OK;
    }
  
-@@ -12843,6 +13091,8 @@ nsresult nsDocShell::OnLinkClick(
+@@ -12813,6 +13061,8 @@ nsresult nsDocShell::OnLinkClick(
    nsCOMPtr<nsIRunnable> ev =
        new OnLinkClickEvent(this, aContent, loadState, noOpenerImplied,
                             aIsTrusted, aTriggeringPrincipal);
@@ -670,7 +635,7 @@ index c15a424a05d23287ee21726a5fb21ff5691e4c2b..fa9989e313bbb7bf049ce1519733c403
  }
  
 diff --git a/docshell/base/nsDocShell.h b/docshell/base/nsDocShell.h
-index 0ea84df4dde885fd8e7f7e6045db56a0fa6b2691..b00bc444a5a25e63f98e583959d5f6812caf1815 100644
+index 0cf72f8fffb40a4205f9d2cb339f4ebd9031373f..0b09b2877781d0693d466b66e6ff00872988af4a 100644
 --- a/docshell/base/nsDocShell.h
 +++ b/docshell/base/nsDocShell.h
 @@ -15,6 +15,7 @@
@@ -689,7 +654,7 @@ index 0ea84df4dde885fd8e7f7e6045db56a0fa6b2691..b00bc444a5a25e63f98e583959d5f681
  class nsGlobalWindowOuter;
  
  class FramingChecker;
-@@ -401,6 +403,15 @@ class nsDocShell final : public nsDocLoader,
+@@ -403,6 +405,15 @@ class nsDocShell final : public nsDocLoader,
    void SetWillChangeProcess() { mWillChangeProcess = true; }
    bool WillChangeProcess() { return mWillChangeProcess; }
  
@@ -705,7 +670,7 @@ index 0ea84df4dde885fd8e7f7e6045db56a0fa6b2691..b00bc444a5a25e63f98e583959d5f681
    // Create a content viewer within this nsDocShell for the given
    // `WindowGlobalChild` actor.
    nsresult CreateDocumentViewerForActor(
-@@ -1004,6 +1015,8 @@ class nsDocShell final : public nsDocLoader,
+@@ -1006,6 +1017,8 @@ class nsDocShell final : public nsDocLoader,
  
    bool CSSErrorReportingEnabled() const { return mCSSErrorReportingEnabled; }
  
@@ -714,7 +679,7 @@ index 0ea84df4dde885fd8e7f7e6045db56a0fa6b2691..b00bc444a5a25e63f98e583959d5f681
    // Handles retrieval of subframe session history for nsDocShell::LoadURI. If a
    // load is requested in a subframe of the current DocShell, the subframe
    // loadType may need to reflect the loadType of the parent document, or in
-@@ -1291,6 +1304,16 @@ class nsDocShell final : public nsDocLoader,
+@@ -1283,6 +1296,16 @@ class nsDocShell final : public nsDocLoader,
    bool mAllowDNSPrefetch : 1;
    bool mAllowWindowControl : 1;
    bool mCSSErrorReportingEnabled : 1;
@@ -781,10 +746,10 @@ index fdc04f16c6f547077ad8c872f9357d85d4513c50..199f8fdb0670265c715f99f5cac1a2b2
     * This attempts to save any applicable layout history state (like
     * scroll position) in the nsISHEntry. This is normally done
 diff --git a/dom/base/Document.cpp b/dom/base/Document.cpp
-index 79f3524037e954eb693e2882d91a7632e6e1df41..2b75a1eaff4d166f68ca4a943e10cf9c6ab28bbf 100644
+index b460181916b4f4edfc1a56e8b06f6506bd81465b..2a493209a2667ad8c5e84b893b5ce01d0dcc3fee 100644
 --- a/dom/base/Document.cpp
 +++ b/dom/base/Document.cpp
-@@ -3783,6 +3783,9 @@ void Document::SendToConsole(nsCOMArray<nsISecurityConsoleMessage>& aMessages) {
+@@ -3745,6 +3745,9 @@ void Document::SendToConsole(nsCOMArray<nsISecurityConsoleMessage>& aMessages) {
  }
  
  void Document::ApplySettingsFromCSP(bool aSpeculative) {
@@ -794,7 +759,7 @@ index 79f3524037e954eb693e2882d91a7632e6e1df41..2b75a1eaff4d166f68ca4a943e10cf9c
    nsresult rv = NS_OK;
    if (!aSpeculative) {
      // 1) apply settings from regular CSP
-@@ -3840,6 +3843,11 @@ nsresult Document::InitCSP(nsIChannel* aChannel) {
+@@ -3802,6 +3805,11 @@ nsresult Document::InitCSP(nsIChannel* aChannel) {
    MOZ_ASSERT(!mScriptGlobalObject,
               "CSP must be initialized before mScriptGlobalObject is set!");
  
@@ -806,7 +771,7 @@ index 79f3524037e954eb693e2882d91a7632e6e1df41..2b75a1eaff4d166f68ca4a943e10cf9c
    // If this is a data document - no need to set CSP.
    if (mLoadedAsData) {
      return NS_OK;
-@@ -4641,6 +4649,10 @@ bool Document::HasFocus(ErrorResult& rv) const {
+@@ -4603,6 +4611,10 @@ bool Document::HasFocus(ErrorResult& rv) const {
      return false;
    }
  
@@ -817,7 +782,7 @@ index 79f3524037e954eb693e2882d91a7632e6e1df41..2b75a1eaff4d166f68ca4a943e10cf9c
    if (!fm->IsInActiveWindow(bc)) {
      return false;
    }
-@@ -19139,6 +19151,66 @@ ColorScheme Document::PreferredColorScheme(IgnoreRFP aIgnoreRFP) const {
+@@ -19462,6 +19474,35 @@ ColorScheme Document::PreferredColorScheme(IgnoreRFP aIgnoreRFP) const {
    return PreferenceSheet::PrefsFor(*this).mColorScheme;
  }
  
@@ -849,57 +814,25 @@ index 79f3524037e954eb693e2882d91a7632e6e1df41..2b75a1eaff4d166f68ca4a943e10cf9c
 +
 +  return LookAndFeel::GetInt(LookAndFeel::IntID::PrefersReducedMotion, 0) == 1;
 +}
-+
-+bool Document::ForcedColors() const {
-+  auto* docShell = static_cast<nsDocShell*>(GetDocShell());
-+  nsIDocShell::ForcedColorsOverride forcedColors;
-+  if (docShell && docShell->GetForcedColorsOverride(&forcedColors) == NS_OK) {
-+    switch (forcedColors) {
-+      case nsIDocShell::FORCED_COLORS_OVERRIDE_ACTIVE:
-+        return true;
-+      case nsIDocShell::FORCED_COLORS_OVERRIDE_NONE:
-+        return false;
-+      case nsIDocShell::FORCED_COLORS_OVERRIDE_NO_OVERRIDE:
-+        break;
-+    };
-+  }
-+
-+  if (auto* bc = GetBrowsingContext()) {
-+    switch (bc->Top()->ForcedColorsOverride()) {
-+      case dom::ForcedColorsOverride::Active:
-+        return true;
-+      case dom::ForcedColorsOverride::None:
-+        return false;
-+      case dom::ForcedColorsOverride::No_override:
-+        break;
-+    }
-+  }
-+
-+  if (mIsBeingUsedAsImage) {
-+    return false;
-+  }
-+  return !PreferenceSheet::PrefsFor(*this).mUseDocumentColors;
-+}
 +
  bool Document::HasRecentlyStartedForegroundLoads() {
    if (!sLoadingForegroundTopLevelContentDocument) {
      return false;
 diff --git a/dom/base/Document.h b/dom/base/Document.h
-index 7a8d8f2a716fc613c4095eaf1a18017887b9b924..e030e6b7ad63ad7c95227ed8f54e946190a638d8 100644
+index 9b748acbce8e4dd1c1393aa5d26170747ec48228..a8bc4c52651ea32128388d1e5f486b7fe0203d4b 100644
 --- a/dom/base/Document.h
 +++ b/dom/base/Document.h
-@@ -4077,6 +4077,9 @@ class Document : public nsINode,
+@@ -4108,6 +4108,8 @@ class Document : public nsINode,
    // color-scheme meta tag.
    ColorScheme DefaultColorScheme() const;
  
 +  bool PrefersReducedMotion() const;
-+  bool ForcedColors() const;
 +
    static bool HasRecentlyStartedForegroundLoads();
  
    static bool AutomaticStorageAccessPermissionCanBeGranted(
 diff --git a/dom/base/Navigator.cpp b/dom/base/Navigator.cpp
-index e26e0968c11905a39bfcfeea60b4989126780084..376165771df0e215d9e1c78ae5d3669e525bcf31 100644
+index d7ed73aee3af96096e36ead6d1aeecec7269556d..b2f3b53f46bfbcca044a7d9f18a694469b4884d5 100644
 --- a/dom/base/Navigator.cpp
 +++ b/dom/base/Navigator.cpp
 @@ -344,14 +344,18 @@ void Navigator::GetAppName(nsAString& aAppName) const {
@@ -938,7 +871,7 @@ index e26e0968c11905a39bfcfeea60b4989126780084..376165771df0e215d9e1c78ae5d3669e
  
    // The returned value is cached by the binding code. The window listens to the
    // accept languages change and will clear the cache when needed. It has to
-@@ -2307,7 +2317,8 @@ bool Navigator::Webdriver() {
+@@ -2298,7 +2308,8 @@ bool Navigator::Webdriver() {
    }
  #endif
  
@@ -962,10 +895,10 @@ index 6abf6cef230c97815f17f6b7abf9f1b1de274a6f..46ead1f32e0d710b5b32e61dff72a4f7
    dom::MediaCapabilities* MediaCapabilities();
    dom::MediaSession* MediaSession();
 diff --git a/dom/base/nsContentUtils.cpp b/dom/base/nsContentUtils.cpp
-index 8518005d2938d35da7681c1b4230cacbe8fbaf03..e501e7e3351b6f5bdd07020dea658b9f8508b126 100644
+index 80df23b73f132c2b6ec99df1cb219878d6ea8639..0b82f7117805f0ad5ccca21532f87852eaae3ecf 100644
 --- a/dom/base/nsContentUtils.cpp
 +++ b/dom/base/nsContentUtils.cpp
-@@ -8809,7 +8809,8 @@ nsresult nsContentUtils::SendMouseEvent(
+@@ -8793,7 +8793,8 @@ nsresult nsContentUtils::SendMouseEvent(
      bool aIgnoreRootScrollFrame, float aPressure,
      unsigned short aInputSourceArg, uint32_t aIdentifier, bool aToWindow,
      PreventDefaultResult* aPreventDefault, bool aIsDOMEventSynthesized,
@@ -975,7 +908,7 @@ index 8518005d2938d35da7681c1b4230cacbe8fbaf03..e501e7e3351b6f5bdd07020dea658b9f
    nsPoint offset;
    nsCOMPtr<nsIWidget> widget = GetWidget(aPresShell, &offset);
    if (!widget) return NS_ERROR_FAILURE;
-@@ -8817,6 +8818,7 @@ nsresult nsContentUtils::SendMouseEvent(
+@@ -8801,6 +8802,7 @@ nsresult nsContentUtils::SendMouseEvent(
    EventMessage msg;
    Maybe<WidgetMouseEvent::ExitFrom> exitFrom;
    bool contextMenuKey = false;
@@ -983,7 +916,7 @@ index 8518005d2938d35da7681c1b4230cacbe8fbaf03..e501e7e3351b6f5bdd07020dea658b9f
    if (aType.EqualsLiteral("mousedown")) {
      msg = eMouseDown;
    } else if (aType.EqualsLiteral("mouseup")) {
-@@ -8841,6 +8843,12 @@ nsresult nsContentUtils::SendMouseEvent(
+@@ -8826,6 +8828,12 @@ nsresult nsContentUtils::SendMouseEvent(
      msg = eMouseHitTest;
    } else if (aType.EqualsLiteral("MozMouseExploreByTouch")) {
      msg = eMouseExploreByTouch;
@@ -996,7 +929,7 @@ index 8518005d2938d35da7681c1b4230cacbe8fbaf03..e501e7e3351b6f5bdd07020dea658b9f
    } else {
      return NS_ERROR_FAILURE;
    }
-@@ -8851,7 +8859,14 @@ nsresult nsContentUtils::SendMouseEvent(
+@@ -8836,7 +8844,14 @@ nsresult nsContentUtils::SendMouseEvent(
  
    Maybe<WidgetPointerEvent> pointerEvent;
    Maybe<WidgetMouseEvent> mouseEvent;
@@ -1012,7 +945,7 @@ index 8518005d2938d35da7681c1b4230cacbe8fbaf03..e501e7e3351b6f5bdd07020dea658b9f
      MOZ_ASSERT(!aIsWidgetEventSynthesized,
                 "The event shouldn't be dispatched as a synthesized event");
      if (MOZ_UNLIKELY(aIsWidgetEventSynthesized)) {
-@@ -8870,8 +8885,11 @@ nsresult nsContentUtils::SendMouseEvent(
+@@ -8855,8 +8870,11 @@ nsresult nsContentUtils::SendMouseEvent(
                         contextMenuKey ? WidgetMouseEvent::eContextMenuKey
                                        : WidgetMouseEvent::eNormal);
    }
@@ -1024,7 +957,7 @@ index 8518005d2938d35da7681c1b4230cacbe8fbaf03..e501e7e3351b6f5bdd07020dea658b9f
    mouseOrPointerEvent.pointerId = aIdentifier;
    mouseOrPointerEvent.mModifiers = GetWidgetModifiers(aModifiers);
    mouseOrPointerEvent.mButton = aButton;
-@@ -8884,6 +8902,8 @@ nsresult nsContentUtils::SendMouseEvent(
+@@ -8869,6 +8887,8 @@ nsresult nsContentUtils::SendMouseEvent(
    mouseOrPointerEvent.mClickCount = aClickCount;
    mouseOrPointerEvent.mFlags.mIsSynthesizedForTests = aIsDOMEventSynthesized;
    mouseOrPointerEvent.mExitFrom = exitFrom;
@@ -1034,10 +967,10 @@ index 8518005d2938d35da7681c1b4230cacbe8fbaf03..e501e7e3351b6f5bdd07020dea658b9f
    nsPresContext* presContext = aPresShell->GetPresContext();
    if (!presContext) return NS_ERROR_FAILURE;
 diff --git a/dom/base/nsContentUtils.h b/dom/base/nsContentUtils.h
-index b4b2244ddfbe43efa055788297a103c49989d921..2d22cdf8b25d9ce0e0daabb09f315d61a214a2be 100644
+index d9556910b2e27aebd648835353a6843347d6f8ac..61fdbfda2c43e3265fa8bc48a1d0f5f38f70b48c 100644
 --- a/dom/base/nsContentUtils.h
 +++ b/dom/base/nsContentUtils.h
-@@ -3047,7 +3047,8 @@ class nsContentUtils {
+@@ -3039,7 +3039,8 @@ class nsContentUtils {
        int32_t aModifiers, bool aIgnoreRootScrollFrame, float aPressure,
        unsigned short aInputSourceArg, uint32_t aIdentifier, bool aToWindow,
        mozilla::PreventDefaultResult* aPreventDefault,
@@ -1048,7 +981,7 @@ index b4b2244ddfbe43efa055788297a103c49989d921..2d22cdf8b25d9ce0e0daabb09f315d61
    static void FirePageShowEventForFrameLoaderSwap(
        nsIDocShellTreeItem* aItem,
 diff --git a/dom/base/nsDOMWindowUtils.cpp b/dom/base/nsDOMWindowUtils.cpp
-index c77bf80d5e1fc6db342ab47e85b7950f8a15a2d8..2f61c71cdb82b73c1de1a357315d9243a0b8c639 100644
+index 7e22693477bb4ededfc3fff568f3993db6abb838..91379e3032b64e08892790a72c6cc421983cf94e 100644
 --- a/dom/base/nsDOMWindowUtils.cpp
 +++ b/dom/base/nsDOMWindowUtils.cpp
 @@ -685,6 +685,26 @@ nsDOMWindowUtils::GetPresShellId(uint32_t* aPresShellId) {
@@ -1126,10 +1059,10 @@ index 47ff326b202266b1d7d6af8bdfb72776df8a6a93..b8e084b0c788c46345b1455b8257f171
    MOZ_CAN_RUN_SCRIPT
    nsresult SendTouchEventCommon(
 diff --git a/dom/base/nsFocusManager.cpp b/dom/base/nsFocusManager.cpp
-index cbd5cb8e4525454cac0470a14bdc63d45bf53b9a..a73297f3faafe5895453f0a6996aa30a77a97267 100644
+index f24942e513f85a0f750eabaeb429889a9cf99092..74683b60bdfac459c0047c52b7efefa9aae1c01a 100644
 --- a/dom/base/nsFocusManager.cpp
 +++ b/dom/base/nsFocusManager.cpp
-@@ -1697,6 +1697,10 @@ Maybe<uint64_t> nsFocusManager::SetFocusInner(Element* aNewContent,
+@@ -1712,6 +1712,10 @@ Maybe<uint64_t> nsFocusManager::SetFocusInner(Element* aNewContent,
          (GetActiveBrowsingContext() == newRootBrowsingContext);
    }
  
@@ -1140,7 +1073,7 @@ index cbd5cb8e4525454cac0470a14bdc63d45bf53b9a..a73297f3faafe5895453f0a6996aa30a
    // Exit fullscreen if a website focuses another window
    if (StaticPrefs::full_screen_api_exit_on_windowRaise() &&
        !isElementInActiveWindow && (aFlags & FLAG_RAISE)) {
-@@ -2282,6 +2286,7 @@ bool nsFocusManager::BlurImpl(BrowsingContext* aBrowsingContextToClear,
+@@ -2297,6 +2301,7 @@ bool nsFocusManager::BlurImpl(BrowsingContext* aBrowsingContextToClear,
                                bool aIsLeavingDocument, bool aAdjustWidget,
                                bool aRemainActive, Element* aElementToFocus,
                                uint64_t aActionId) {
@@ -1148,7 +1081,7 @@ index cbd5cb8e4525454cac0470a14bdc63d45bf53b9a..a73297f3faafe5895453f0a6996aa30a
    LOGFOCUS(("<<Blur begin actionid: %" PRIu64 ">>", aActionId));
  
    // hold a reference to the focused content, which may be null
-@@ -2328,6 +2333,11 @@ bool nsFocusManager::BlurImpl(BrowsingContext* aBrowsingContextToClear,
+@@ -2343,6 +2348,11 @@ bool nsFocusManager::BlurImpl(BrowsingContext* aBrowsingContextToClear,
      return true;
    }
  
@@ -1160,7 +1093,7 @@ index cbd5cb8e4525454cac0470a14bdc63d45bf53b9a..a73297f3faafe5895453f0a6996aa30a
    // Keep a ref to presShell since dispatching the DOM event may cause
    // the document to be destroyed.
    RefPtr<PresShell> presShell = docShell->GetPresShell();
-@@ -3005,7 +3015,9 @@ void nsFocusManager::RaiseWindow(nsPIDOMWindowOuter* aWindow,
+@@ -3020,7 +3030,9 @@ void nsFocusManager::RaiseWindow(nsPIDOMWindowOuter* aWindow,
      }
    }
  
@@ -1172,7 +1105,7 @@ index cbd5cb8e4525454cac0470a14bdc63d45bf53b9a..a73297f3faafe5895453f0a6996aa30a
      // care of lowering the present active window. This happens in
      // a separate runnable to avoid touching multiple windows in
 diff --git a/dom/base/nsGlobalWindowOuter.cpp b/dom/base/nsGlobalWindowOuter.cpp
-index f2aa07e2c1e6df28e165b1868ad9717248360972..2b1b406c4fdf6d0716b9c29c3e640de210eae749 100644
+index 8973a1e401670d32808136d47ab8efb0e396a549..0889b2ff12540c9aa36d9efc5d81fb684513b686 100644
 --- a/dom/base/nsGlobalWindowOuter.cpp
 +++ b/dom/base/nsGlobalWindowOuter.cpp
 @@ -2516,10 +2516,16 @@ nsresult nsGlobalWindowOuter::SetNewDocument(Document* aDocument,
@@ -1217,7 +1150,7 @@ index f2aa07e2c1e6df28e165b1868ad9717248360972..2b1b406c4fdf6d0716b9c29c3e640de2
  
  void nsGlobalWindowOuter::SetDocShell(nsDocShell* aDocShell) {
 diff --git a/dom/base/nsGlobalWindowOuter.h b/dom/base/nsGlobalWindowOuter.h
-index e2a2b560b565e6eb3cd5b4e77eb30051afe7a418..81eaca3fb0acfe90bf07acb4115a0db0786c6998 100644
+index b388bfb6ea26a88c29d9d14dfbc375ff7bd09eec..8685e4cece9d2cc2511b9d3022c891df6dc1660d 100644
 --- a/dom/base/nsGlobalWindowOuter.h
 +++ b/dom/base/nsGlobalWindowOuter.h
 @@ -317,6 +317,7 @@ class nsGlobalWindowOuter final : public mozilla::dom::EventTarget,
@@ -1229,10 +1162,10 @@ index e2a2b560b565e6eb3cd5b4e77eb30051afe7a418..81eaca3fb0acfe90bf07acb4115a0db0
    // Outer windows only.
    virtual void EnsureSizeAndPositionUpToDate() override;
 diff --git a/dom/base/nsINode.cpp b/dom/base/nsINode.cpp
-index 091d04dd79da3acc33aa22405ddb984ba486dfe2..40bb124fd735c2d214221c1a5fac442e26f7564e 100644
+index 03990e9ed30f4dfa7d3dbec40942ce1121b07b8d..2dd4ac45ad0aec598ad9c00e6e280757b33c7648 100644
 --- a/dom/base/nsINode.cpp
 +++ b/dom/base/nsINode.cpp
-@@ -1402,6 +1402,61 @@ void nsINode::GetBoxQuadsFromWindowOrigin(const BoxQuadOptions& aOptions,
+@@ -1426,6 +1426,61 @@ void nsINode::GetBoxQuadsFromWindowOrigin(const BoxQuadOptions& aOptions,
    mozilla::GetBoxQuadsFromWindowOrigin(this, aOptions, aResult, aRv);
  }
  
@@ -1295,10 +1228,10 @@ index 091d04dd79da3acc33aa22405ddb984ba486dfe2..40bb124fd735c2d214221c1a5fac442e
      DOMQuad& aQuad, const GeometryNode& aFrom,
      const ConvertCoordinateOptions& aOptions, CallerType aCallerType,
 diff --git a/dom/base/nsINode.h b/dom/base/nsINode.h
-index 3bc7ff8a3d9e7f3148f51da13f34ea1b3ca2ba77..dcb47740ca93ab237e4f55d4225f77283f5f404b 100644
+index c7d56c4f8ed4400ac7e5dd5b168862c8bfc8c7aa..1a8469bb00cfdcc1b6e7675c4a19e4ae9ad18637 100644
 --- a/dom/base/nsINode.h
 +++ b/dom/base/nsINode.h
-@@ -2317,6 +2317,10 @@ class nsINode : public mozilla::dom::EventTarget {
+@@ -2322,6 +2322,10 @@ class nsINode : public mozilla::dom::EventTarget {
                                     nsTArray<RefPtr<DOMQuad>>& aResult,
                                     ErrorResult& aRv);
  
@@ -1338,11 +1271,11 @@ index 8b4c1492c64884d83eb1553bc40b921e0da601b7..ee66eaa21d8e8c208204ef73fca5b3d7
  
    static bool DumpEnabled();
 diff --git a/dom/chrome-webidl/BrowsingContext.webidl b/dom/chrome-webidl/BrowsingContext.webidl
-index 864890f6a23b21a2a59687e4e2873b6837c05fbb..a34005c323d4b8e35b5bdb2b6eec2a268f8adc4b 100644
+index 28e8d8cb9c61ff8362b2d191d47c3630d2cb0b34..0058e60aaab21f8003bbe1bf3f271c63ed78f29a 100644
 --- a/dom/chrome-webidl/BrowsingContext.webidl
 +++ b/dom/chrome-webidl/BrowsingContext.webidl
-@@ -53,6 +53,24 @@ enum PrefersColorSchemeOverride {
-   "dark",
+@@ -61,6 +61,15 @@ enum ForcedColorsOverride {
+   "active",
  };
  
 +/**
@@ -1353,37 +1286,25 @@ index 864890f6a23b21a2a59687e4e2873b6837c05fbb..a34005c323d4b8e35b5bdb2b6eec2a26
 +  "reduce",
 +  "no-preference",
 +};
-+
-+/**
-+ * CSS forced-colors values.
-+ */
-+enum ForcedColorsOverride {
-+  "none",
-+  "active",
-+  "no-override",  /* This clears the override. */
-+};
 +
  /**
   * Allowed overrides of platform/pref default behaviour for touch events.
   */
-@@ -209,6 +227,12 @@ interface BrowsingContext {
-   // Color-scheme simulation, for DevTools.
-   [SetterThrows] attribute PrefersColorSchemeOverride prefersColorSchemeOverride;
+@@ -220,6 +229,9 @@ interface BrowsingContext {
+   // Forced-colors simulation, for DevTools
+   [SetterThrows] attribute ForcedColorsOverride forcedColorsOverride;
  
 +  // Reduced-Motion simulation, for DevTools.
 +  [SetterThrows] attribute PrefersReducedMotionOverride prefersReducedMotionOverride;
-+
-+  // Forced-Colors simulation, for DevTools.
-+  [SetterThrows] attribute ForcedColorsOverride forcedColorsOverride;
 +
    /**
     * A unique identifier for the browser element that is hosting this
     * BrowsingContext tree. Every BrowsingContext in the element's tree will
 diff --git a/dom/geolocation/Geolocation.cpp b/dom/geolocation/Geolocation.cpp
-index 21717aba5547b973e439ae9ba525f358d044d3f8..274cdebc2e0a2eb9f8b7743d24921204a417f76d 100644
+index 140ad5a3e651cc3dc7c31ff7efebbd3cecb0076d..cae2d2af93a3d881d2a934d446945f356c3b6070 100644
 --- a/dom/geolocation/Geolocation.cpp
 +++ b/dom/geolocation/Geolocation.cpp
-@@ -24,6 +24,7 @@
+@@ -29,6 +29,7 @@
  #include "nsComponentManagerUtils.h"
  #include "nsContentPermissionHelper.h"
  #include "nsContentUtils.h"
@@ -1391,7 +1312,7 @@ index 21717aba5547b973e439ae9ba525f358d044d3f8..274cdebc2e0a2eb9f8b7743d24921204
  #include "nsGlobalWindowInner.h"
  #include "mozilla/dom/Document.h"
  #include "nsINamed.h"
-@@ -264,10 +265,8 @@ nsGeolocationRequest::Allow(JS::Handle<JS::Value> aChoices) {
+@@ -432,10 +433,8 @@ nsGeolocationRequest::Allow(JS::Handle<JS::Value> aChoices) {
      return NS_OK;
    }
  
@@ -1404,7 +1325,7 @@ index 21717aba5547b973e439ae9ba525f358d044d3f8..274cdebc2e0a2eb9f8b7743d24921204
    CachedPositionAndAccuracy lastPosition = gs->GetCachedPosition();
    if (lastPosition.position) {
      EpochTimeStamp cachedPositionTime_ms;
-@@ -475,8 +474,7 @@ void nsGeolocationRequest::Shutdown() {
+@@ -643,8 +642,7 @@ void nsGeolocationRequest::Shutdown() {
    // If there are no other high accuracy requests, the geolocation service will
    // notify the provider to switch to the default accuracy.
    if (mOptions && mOptions->mEnableHighAccuracy) {
@@ -1414,7 +1335,7 @@ index 21717aba5547b973e439ae9ba525f358d044d3f8..274cdebc2e0a2eb9f8b7743d24921204
      if (gs) {
        gs->UpdateAccuracy();
      }
-@@ -785,8 +783,14 @@ void nsGeolocationService::StopDevice() {
+@@ -961,8 +959,14 @@ void nsGeolocationService::StopDevice() {
  StaticRefPtr<nsGeolocationService> nsGeolocationService::sService;
  
  already_AddRefed<nsGeolocationService>
@@ -1430,7 +1351,7 @@ index 21717aba5547b973e439ae9ba525f358d044d3f8..274cdebc2e0a2eb9f8b7743d24921204
    if (nsGeolocationService::sService) {
      result = nsGeolocationService::sService;
  
-@@ -878,7 +882,9 @@ nsresult Geolocation::Init(nsPIDOMWindowInner* aContentDom) {
+@@ -1054,7 +1058,9 @@ nsresult Geolocation::Init(nsPIDOMWindowInner* aContentDom) {
    // If no aContentDom was passed into us, we are being used
    // by chrome/c++ and have no mOwner, no mPrincipal, and no need
    // to prompt.
@@ -1442,7 +1363,7 @@ index 21717aba5547b973e439ae9ba525f358d044d3f8..274cdebc2e0a2eb9f8b7743d24921204
      mService->AddLocator(this);
    }
 diff --git a/dom/geolocation/Geolocation.h b/dom/geolocation/Geolocation.h
-index 7e1af00d05fbafa2d828e2c7e4dcc5c82d115f5b..e85af9718d064e4d2865bc944e9d4ba1efb9a5d7 100644
+index 992de29b5d2d09c19e55ebb2502215ec9d05a171..cdc20567b693283b0fd5a5923f7ea54210bd1712 100644
 --- a/dom/geolocation/Geolocation.h
 +++ b/dom/geolocation/Geolocation.h
 @@ -31,6 +31,7 @@
@@ -1453,7 +1374,7 @@ index 7e1af00d05fbafa2d828e2c7e4dcc5c82d115f5b..e85af9718d064e4d2865bc944e9d4ba1
  
  class nsGeolocationService;
  class nsGeolocationRequest;
-@@ -48,13 +49,14 @@ struct CachedPositionAndAccuracy {
+@@ -51,13 +52,14 @@ struct CachedPositionAndAccuracy {
    bool isHighAccuracy;
  };
  
@@ -1469,9 +1390,9 @@ index 7e1af00d05fbafa2d828e2c7e4dcc5c82d115f5b..e85af9718d064e4d2865bc944e9d4ba1
    static mozilla::StaticRefPtr<nsGeolocationService> sService;
  
    NS_DECL_THREADSAFE_ISUPPORTS
-@@ -179,6 +181,8 @@ class Geolocation final : public nsIGeolocationUpdate, public nsWrapperCache {
-   // null.
-   static already_AddRefed<Geolocation> NonWindowSingleton();
+@@ -189,6 +191,8 @@ class Geolocation final : public nsIGeolocationUpdate, public nsWrapperCache {
+       BrowsingContext* aBrowsingContext,
+       geolocation::ParentRequestResolver&& aResolver);
  
 +  nsGeolocationService* GetGeolocationService() { return mService; };
 +
@@ -1505,7 +1426,7 @@ index d40c2a230c8c86f585935061d05e20b405c906fe..29547e7a0d75fdc8b8b30344db322874
      return NS_OK;
    }
 diff --git a/dom/interfaces/base/nsIDOMWindowUtils.idl b/dom/interfaces/base/nsIDOMWindowUtils.idl
-index 89202fa1ff22593e7cb5e20fc40b3b3b8e114449..61ed40c8454c6e85876cbc7c240496cc96f77239 100644
+index 4f0fc82a36c5ef5daa99d3623d4e7dac467038e2..9076e43644a2bd82fbaca41fb0e3559dc5f20c24 100644
 --- a/dom/interfaces/base/nsIDOMWindowUtils.idl
 +++ b/dom/interfaces/base/nsIDOMWindowUtils.idl
 @@ -374,6 +374,26 @@ interface nsIDOMWindowUtils : nsISupports {
@@ -1536,10 +1457,10 @@ index 89202fa1ff22593e7cb5e20fc40b3b3b8e114449..61ed40c8454c6e85876cbc7c240496cc
     *    touchstart, touchend, touchmove, and touchcancel
     *
 diff --git a/dom/ipc/BrowserChild.cpp b/dom/ipc/BrowserChild.cpp
-index 0335a887fe157210f9eef58bf63be879f7d5de2b..dfbb8dae406f9d9276a2719f515ac5a51f8a671d 100644
+index 017d579a4c529587ff6730a8bbcd748840ff91ac..4be9d8ee6b6c9e4bbc9c7a2568e883ae43039348 100644
 --- a/dom/ipc/BrowserChild.cpp
 +++ b/dom/ipc/BrowserChild.cpp
-@@ -1656,6 +1656,21 @@ void BrowserChild::HandleRealMouseButtonEvent(const WidgetMouseEvent& aEvent,
+@@ -1674,6 +1674,21 @@ void BrowserChild::HandleRealMouseButtonEvent(const WidgetMouseEvent& aEvent,
    if (postLayerization) {
      postLayerization->Register();
    }
@@ -1576,10 +1497,10 @@ index 5aa445d2e0a6169e57c44569974d557b3baf7064..671f71979b407f0ca17c66f13805e851
  }
  
 diff --git a/dom/media/systemservices/video_engine/desktop_capture_impl.cc b/dom/media/systemservices/video_engine/desktop_capture_impl.cc
-index d4b40fda96ea759eb92e1351e1046a9e0b85689b..b2123a3be05b2622a5e07d5ee32752d0feaaa57f 100644
+index c43a1b3b245101c974742c5e50f54857e538bbfb..c07a568da3342cbf2af07471fa6959cb242b9a4e 100644
 --- a/dom/media/systemservices/video_engine/desktop_capture_impl.cc
 +++ b/dom/media/systemservices/video_engine/desktop_capture_impl.cc
-@@ -137,9 +137,10 @@ int32_t ScreenDeviceInfoImpl::GetOrientation(const char* aDeviceUniqueIdUTF8,
+@@ -52,9 +52,10 @@ namespace webrtc {
  
  DesktopCaptureImpl* DesktopCaptureImpl::Create(const int32_t aModuleId,
                                                 const char* aUniqueId,
@@ -1591,30 +1512,20 @@ index d4b40fda96ea759eb92e1351e1046a9e0b85689b..b2123a3be05b2622a5e07d5ee32752d0
 +                                                       aType, aCaptureCursor);
  }
  
- int32_t WindowDeviceInfoImpl::Init() {
-@@ -412,7 +413,7 @@ static bool UsePipewire() {
+ static DesktopCaptureOptions CreateDesktopCaptureOptions() {
+@@ -155,8 +156,10 @@ static std::unique_ptr<DesktopCapturer> CreateTabCapturer(
  
  static std::unique_ptr<DesktopCapturer> CreateDesktopCapturerAndThread(
      CaptureDeviceType aDeviceType, DesktopCapturer::SourceId aSourceId,
 -    nsIThread** aOutThread) {
 +    nsIThread** aOutThread, bool aCaptureCursor) {
    DesktopCaptureOptions options = CreateDesktopCaptureOptions();
-   std::unique_ptr<DesktopCapturer> capturer;
- 
-@@ -462,8 +463,10 @@ static std::unique_ptr<DesktopCapturer> CreateDesktopCapturerAndThread(
- 
-     capturer->SelectSource(aSourceId);
- 
--    capturer = std::make_unique<DesktopAndCursorComposer>(std::move(capturer),
--                                                          options);
-+    if (aCaptureCursor) {
-+      capturer = std::make_unique<DesktopAndCursorComposer>(
-+          std::move(capturer), options);
-+    }
-   } else if (aDeviceType == CaptureDeviceType::Browser) {
-     // XXX We don't capture cursors, so avoid the extra indirection layer. We
-     // could also pass null for the pMouseCursorMonitor.
-@@ -480,7 +483,8 @@ static std::unique_ptr<DesktopCapturer> CreateDesktopCapturerAndThread(
++  if (aCaptureCursor)
++    options.set_prefer_cursor_embedded(aCaptureCursor);
+   auto ensureThread = [&]() {
+     if (*aOutThread) {
+       return *aOutThread;
+@@ -253,7 +256,8 @@ static std::unique_ptr<DesktopCapturer> CreateDesktopCapturerAndThread(
  }
  
  DesktopCaptureImpl::DesktopCaptureImpl(const int32_t aId, const char* aUniqueId,
@@ -1624,7 +1535,7 @@ index d4b40fda96ea759eb92e1351e1046a9e0b85689b..b2123a3be05b2622a5e07d5ee32752d0
      : mModuleId(aId),
        mTrackingId(mozilla::TrackingId(CaptureEngineToTrackingSourceStr([&] {
                                          switch (aType) {
-@@ -497,6 +501,7 @@ DesktopCaptureImpl::DesktopCaptureImpl(const int32_t aId, const char* aUniqueId,
+@@ -270,6 +274,7 @@ DesktopCaptureImpl::DesktopCaptureImpl(const int32_t aId, const char* aUniqueId,
                                        aId)),
        mDeviceUniqueId(aUniqueId),
        mDeviceType(aType),
@@ -1632,7 +1543,7 @@ index d4b40fda96ea759eb92e1351e1046a9e0b85689b..b2123a3be05b2622a5e07d5ee32752d0
        mControlThread(mozilla::GetCurrentSerialEventTarget()),
        mNextFrameMinimumTime(Timestamp::Zero()),
        mCallbacks("DesktopCaptureImpl::mCallbacks") {}
-@@ -521,6 +526,19 @@ void DesktopCaptureImpl::DeRegisterCaptureDataCallback(
+@@ -294,6 +299,19 @@ void DesktopCaptureImpl::DeRegisterCaptureDataCallback(
    }
  }
  
@@ -1652,7 +1563,7 @@ index d4b40fda96ea759eb92e1351e1046a9e0b85689b..b2123a3be05b2622a5e07d5ee32752d0
  int32_t DesktopCaptureImpl::StopCaptureIfAllClientsClose() {
    {
      auto callbacks = mCallbacks.Lock();
-@@ -553,7 +571,7 @@ int32_t DesktopCaptureImpl::StartCapture(
+@@ -333,7 +351,7 @@ int32_t DesktopCaptureImpl::StartCapture(
  
    DesktopCapturer::SourceId sourceId = std::stoi(mDeviceUniqueId);
    std::unique_ptr capturer = CreateDesktopCapturerAndThread(
@@ -1661,7 +1572,7 @@ index d4b40fda96ea759eb92e1351e1046a9e0b85689b..b2123a3be05b2622a5e07d5ee32752d0
  
    MOZ_ASSERT(!capturer == !mCaptureThread);
    if (!capturer) {
-@@ -663,6 +681,15 @@ void DesktopCaptureImpl::OnCaptureResult(DesktopCapturer::Result aResult,
+@@ -441,6 +459,15 @@ void DesktopCaptureImpl::OnCaptureResult(DesktopCapturer::Result aResult,
    frameInfo.height = aFrame->size().height();
    frameInfo.videoType = VideoType::kARGB;
  
@@ -1678,18 +1589,18 @@ index d4b40fda96ea759eb92e1351e1046a9e0b85689b..b2123a3be05b2622a5e07d5ee32752d0
        frameInfo.width * frameInfo.height * DesktopFrame::kBytesPerPixel;
  
 diff --git a/dom/media/systemservices/video_engine/desktop_capture_impl.h b/dom/media/systemservices/video_engine/desktop_capture_impl.h
-index 9aebaa39321839eb3beb503fc4ed33e303bb0deb..1dd75f3cdb8078b01c4d43a0ac3d8a6ea3ec47ab 100644
+index a76b7de569db1cb42728a5514fb80e5c46e0344e..3d61ad8d3aa4a7eaf96957dcd680e1e1ee8abdf4 100644
 --- a/dom/media/systemservices/video_engine/desktop_capture_impl.h
 +++ b/dom/media/systemservices/video_engine/desktop_capture_impl.h
-@@ -25,6 +25,7 @@
+@@ -26,6 +26,7 @@
+ #include "api/video/video_sink_interface.h"
  #include "modules/desktop_capture/desktop_capturer.h"
  #include "modules/video_capture/video_capture.h"
- #include "rtc_base/synchronization/mutex.h"
 +#include "rtc_base/deprecated/recursive_critical_section.h"
- 
- #include "desktop_device_info.h"
- #include "MediaEngineSource.h"
-@@ -45,6 +46,33 @@ namespace webrtc {
+ #include "mozilla/DataMutex.h"
+ #include "mozilla/Maybe.h"
+ #include "mozilla/TimeStamp.h"
+@@ -42,17 +43,44 @@ namespace webrtc {
  
  class VideoCaptureEncodeInterface;
  
@@ -1720,10 +1631,7 @@ index 9aebaa39321839eb3beb503fc4ed33e303bb0deb..1dd75f3cdb8078b01c4d43a0ac3d8a6e
 +  int32_t capture_counter_ = 0;
 +};
 +
- // simulate deviceInfo interface for video engine, bridge screen/application and
- // real screen/application device info
- 
-@@ -160,13 +188,13 @@ class BrowserDeviceInfoImpl : public VideoCaptureModule::DeviceInfo {
+ // Reuses the video engine pipeline for screen sharing.
  // As with video, DesktopCaptureImpl is a proxy for screen sharing
  // and follows the video pipeline design
  class DesktopCaptureImpl : public DesktopCapturer::Callback,
@@ -1739,7 +1647,7 @@ index 9aebaa39321839eb3beb503fc4ed33e303bb0deb..1dd75f3cdb8078b01c4d43a0ac3d8a6e
  
    [[nodiscard]] static std::shared_ptr<VideoCaptureModule::DeviceInfo>
    CreateDeviceInfo(const int32_t aId,
-@@ -180,6 +208,8 @@ class DesktopCaptureImpl : public DesktopCapturer::Callback,
+@@ -66,6 +94,8 @@ class DesktopCaptureImpl : public DesktopCapturer::Callback,
    void DeRegisterCaptureDataCallback(
        rtc::VideoSinkInterface<VideoFrame>* aCallback) override;
    int32_t StopCaptureIfAllClientsClose() override;
@@ -1748,7 +1656,7 @@ index 9aebaa39321839eb3beb503fc4ed33e303bb0deb..1dd75f3cdb8078b01c4d43a0ac3d8a6e
  
    int32_t SetCaptureRotation(VideoRotation aRotation) override;
    bool SetApplyRotation(bool aEnable) override;
-@@ -203,7 +233,8 @@ class DesktopCaptureImpl : public DesktopCapturer::Callback,
+@@ -89,7 +119,8 @@ class DesktopCaptureImpl : public DesktopCapturer::Callback,
  
   protected:
    DesktopCaptureImpl(const int32_t aId, const char* aUniqueId,
@@ -1758,9 +1666,9 @@ index 9aebaa39321839eb3beb503fc4ed33e303bb0deb..1dd75f3cdb8078b01c4d43a0ac3d8a6e
    virtual ~DesktopCaptureImpl();
  
   private:
-@@ -211,6 +242,9 @@ class DesktopCaptureImpl : public DesktopCapturer::Callback,
-   static constexpr uint32_t kMaxDesktopCaptureCpuUsage = 50;
+@@ -98,6 +129,9 @@ class DesktopCaptureImpl : public DesktopCapturer::Callback,
    void InitOnThread(std::unique_ptr<DesktopCapturer> aCapturer, int aFramerate);
+   void UpdateOnThread(int aFramerate);
    void ShutdownOnThread();
 +
 +  rtc::RecursiveCriticalSection mApiCs;
@@ -1768,7 +1676,7 @@ index 9aebaa39321839eb3beb503fc4ed33e303bb0deb..1dd75f3cdb8078b01c4d43a0ac3d8a6e
    // DesktopCapturer::Callback interface.
    void OnCaptureResult(DesktopCapturer::Result aResult,
                         std::unique_ptr<DesktopFrame> aFrame) override;
-@@ -218,6 +252,8 @@ class DesktopCaptureImpl : public DesktopCapturer::Callback,
+@@ -105,6 +139,8 @@ class DesktopCaptureImpl : public DesktopCapturer::Callback,
    // Notifies all mCallbacks of OnFrame(). mCaptureThread only.
    void NotifyOnFrame(const VideoFrame& aFrame);
  
@@ -1822,10 +1730,10 @@ index 3b39538e51840cd9b1685b2efd2ff2e9ec83608a..c7bf4f2d53b58bbacb22b3ebebf6f3fc
  
    return aGlobalOrNull;
 diff --git a/dom/security/nsCSPUtils.cpp b/dom/security/nsCSPUtils.cpp
-index ff2e907c0d8fc05c6e39fae612eceed405b62712..40ec25b5588a1628f9d9bd16886bed83dad49b90 100644
+index 17a205b2607208a696a470f81223c4d2618e6bec..90dc5c04f395a3e7c98cc6eff146aa78dc03d1cf 100644
 --- a/dom/security/nsCSPUtils.cpp
 +++ b/dom/security/nsCSPUtils.cpp
-@@ -22,6 +22,7 @@
+@@ -23,6 +23,7 @@
  #include "nsSandboxFlags.h"
  #include "nsServiceManagerUtils.h"
  #include "nsWhitespaceTokenizer.h"
@@ -1833,7 +1741,7 @@ index ff2e907c0d8fc05c6e39fae612eceed405b62712..40ec25b5588a1628f9d9bd16886bed83
  
  #include "mozilla/Assertions.h"
  #include "mozilla/Components.h"
-@@ -133,6 +134,11 @@ void CSP_ApplyMetaCSPToDoc(mozilla::dom::Document& aDoc,
+@@ -134,6 +135,11 @@ void CSP_ApplyMetaCSPToDoc(mozilla::dom::Document& aDoc,
      return;
    }
  
@@ -1869,10 +1777,10 @@ index 2f71b284ee5f7e11f117c447834b48355784448c..2640bd57123c2b03bf4b06a2419cd020
     * returned quads are further translated relative to the window
     * origin -- which is not the layout origin. Further translation
 diff --git a/dom/workers/RuntimeService.cpp b/dom/workers/RuntimeService.cpp
-index 1ba2051ed316956a5a71f85ed5fa0735d54716e5..c0d6f45ce14040a79cfe134a4f8254434a4c53cc 100644
+index be23f9f192208c30849ff640ab67debdef3f3ca6..6c14aa9dd751f20838c915b5a0a3d66f13f9dcc5 100644
 --- a/dom/workers/RuntimeService.cpp
 +++ b/dom/workers/RuntimeService.cpp
-@@ -1007,7 +1007,7 @@ void PrefLanguagesChanged(const char* /* aPrefName */, void* /* aClosure */) {
+@@ -1005,7 +1005,7 @@ void PrefLanguagesChanged(const char* /* aPrefName */, void* /* aClosure */) {
    AssertIsOnMainThread();
  
    nsTArray<nsString> languages;
@@ -1881,7 +1789,7 @@ index 1ba2051ed316956a5a71f85ed5fa0735d54716e5..c0d6f45ce14040a79cfe134a4f825443
  
    RuntimeService* runtime = RuntimeService::GetService();
    if (runtime) {
-@@ -1194,8 +1194,7 @@ bool RuntimeService::RegisterWorker(WorkerPrivate& aWorkerPrivate) {
+@@ -1191,8 +1191,7 @@ bool RuntimeService::RegisterWorker(WorkerPrivate& aWorkerPrivate) {
        }
  
        // The navigator overridden properties should have already been read.
@@ -1891,7 +1799,7 @@ index 1ba2051ed316956a5a71f85ed5fa0735d54716e5..c0d6f45ce14040a79cfe134a4f825443
        mNavigatorPropertiesLoaded = true;
      }
  
-@@ -1817,6 +1816,13 @@ void RuntimeService::PropagateStorageAccessPermissionGranted(
+@@ -1813,6 +1812,13 @@ void RuntimeService::PropagateStorageAccessPermissionGranted(
    }
  }
  
@@ -1905,7 +1813,7 @@ index 1ba2051ed316956a5a71f85ed5fa0735d54716e5..c0d6f45ce14040a79cfe134a4f825443
  template <typename Func>
  void RuntimeService::BroadcastAllWorkers(const Func& aFunc) {
    AssertIsOnMainThread();
-@@ -2342,6 +2348,14 @@ void PropagateStorageAccessPermissionGrantedToWorkers(
+@@ -2338,6 +2344,14 @@ void PropagateStorageAccessPermissionGrantedToWorkers(
    }
  }
  
@@ -1947,10 +1855,10 @@ index 58894a8361c7ef1dddd481ca5877a209a8b8ff5c..c481d40d79b6397b7f1d571bd9f6ae5c
  
  bool IsWorkerGlobal(JSObject* global);
 diff --git a/dom/workers/WorkerPrivate.cpp b/dom/workers/WorkerPrivate.cpp
-index 2b48cc2980165ce51ded62faef96b93b781ede32..d8dc90983353c2f5cc1db56e327c4533d524cc1d 100644
+index ee89a9ffbe33754bd41643555a621ca6f62e5465..9d9ec1aac7858129ad5adef62ab359d1ea667082 100644
 --- a/dom/workers/WorkerPrivate.cpp
 +++ b/dom/workers/WorkerPrivate.cpp
-@@ -700,6 +700,18 @@ class UpdateContextOptionsRunnable final : public WorkerControlRunnable {
+@@ -718,6 +718,18 @@ class UpdateContextOptionsRunnable final : public WorkerControlRunnable {
    }
  };
  
@@ -1969,7 +1877,7 @@ index 2b48cc2980165ce51ded62faef96b93b781ede32..d8dc90983353c2f5cc1db56e327c4533
  class UpdateLanguagesRunnable final : public WorkerThreadRunnable {
    nsTArray<nsString> mLanguages;
  
-@@ -2113,6 +2125,16 @@ void WorkerPrivate::UpdateContextOptions(
+@@ -2131,6 +2143,16 @@ void WorkerPrivate::UpdateContextOptions(
    }
  }
  
@@ -1986,7 +1894,7 @@ index 2b48cc2980165ce51ded62faef96b93b781ede32..d8dc90983353c2f5cc1db56e327c4533
  void WorkerPrivate::UpdateLanguages(const nsTArray<nsString>& aLanguages) {
    AssertIsOnParentThread();
  
-@@ -5740,6 +5762,15 @@ void WorkerPrivate::UpdateContextOptionsInternal(
+@@ -5768,6 +5790,15 @@ void WorkerPrivate::UpdateContextOptionsInternal(
    }
  }
  
@@ -2003,10 +1911,10 @@ index 2b48cc2980165ce51ded62faef96b93b781ede32..d8dc90983353c2f5cc1db56e327c4533
      const nsTArray<nsString>& aLanguages) {
    WorkerGlobalScope* globalScope = GlobalScope();
 diff --git a/dom/workers/WorkerPrivate.h b/dom/workers/WorkerPrivate.h
-index da25a495a8930f7b88958553164d86fe2869416f..38f92829438ead78d73d96ee48a3fcab46c337d7 100644
+index 8ca40304e014da2e6898f71ac214f7ca1ab19e87..e0179f6db7fdc679f104bf180c181ab1ac85b4ad 100644
 --- a/dom/workers/WorkerPrivate.h
 +++ b/dom/workers/WorkerPrivate.h
-@@ -432,6 +432,8 @@ class WorkerPrivate final
+@@ -433,6 +433,8 @@ class WorkerPrivate final
    void UpdateContextOptionsInternal(JSContext* aCx,
                                      const JS::ContextOptions& aContextOptions);
  
@@ -2015,7 +1923,7 @@ index da25a495a8930f7b88958553164d86fe2869416f..38f92829438ead78d73d96ee48a3fcab
    void UpdateLanguagesInternal(const nsTArray<nsString>& aLanguages);
  
    void UpdateJSWorkerMemoryParameterInternal(JSContext* aCx, JSGCParamKey key,
-@@ -1069,6 +1071,8 @@ class WorkerPrivate final
+@@ -1070,6 +1072,8 @@ class WorkerPrivate final
  
    void UpdateContextOptions(const JS::ContextOptions& aContextOptions);
  
@@ -2077,10 +1985,10 @@ index 523e84c8c93f4221701f90f2e8ee146ec8e1adbd..98d5b1176e5378431b859a2dbd4d4e77
  inline ClippedTime TimeClip(double time);
  
 diff --git a/js/src/debugger/Object.cpp b/js/src/debugger/Object.cpp
-index 6ca6c31830066f9677988daca8566e93a8335c26..3f963dbf6127c997810e380802e56b023b5db4c8 100644
+index 880e716c24464c93283410417f8e69d6d233d105..6e046fbd2e643dace5ad7796740253df3ddf2cbe 100644
 --- a/js/src/debugger/Object.cpp
 +++ b/js/src/debugger/Object.cpp
-@@ -2468,7 +2468,11 @@ Maybe<Completion> DebuggerObject::call(JSContext* cx,
+@@ -2474,7 +2474,11 @@ Maybe<Completion> DebuggerObject::call(JSContext* cx,
          invokeArgs[i].set(args2[i]);
        }
  
@@ -2247,10 +2155,10 @@ index 0ec6ee3eb37c6493d8a25352fd0e54e1927bceab..885dba71bc5815e5f6f3ec2700c376aa
        // No boxes to return
        return;
 diff --git a/layout/base/PresShell.cpp b/layout/base/PresShell.cpp
-index 2cc3c5673e246ac38cdaddb457ce36ee4c7356ce..61093cd52fc049ad77d84dd837731071fdace69d 100644
+index 27fd20e845af4c96cd1798debba57422872fab66..bcd1351884fb6de8f04062283dc677e057ada988 100644
 --- a/layout/base/PresShell.cpp
 +++ b/layout/base/PresShell.cpp
-@@ -11163,7 +11163,9 @@ bool PresShell::ComputeActiveness() const {
+@@ -11194,7 +11194,9 @@ bool PresShell::ComputeActiveness() const {
      if (!browserChild->IsVisible()) {
        MOZ_LOG(gLog, LogLevel::Debug,
                (" > BrowserChild %p is not visible", browserChild));
@@ -2262,10 +2170,10 @@ index 2cc3c5673e246ac38cdaddb457ce36ee4c7356ce..61093cd52fc049ad77d84dd837731071
  
      // If the browser is visible but just due to be preserving layers
 diff --git a/layout/base/nsLayoutUtils.cpp b/layout/base/nsLayoutUtils.cpp
-index d8995d6d94f5861d8ed839613768eb269b44e362..b946de49a0ecab449a9d1aff24c38f69a431eec0 100644
+index 43d7e5008b352b7deb198ffc81fedf5de3f4b72a..c62d9f87a84c01994ad735146491219ef4f0e42e 100644
 --- a/layout/base/nsLayoutUtils.cpp
 +++ b/layout/base/nsLayoutUtils.cpp
-@@ -698,6 +698,10 @@ bool nsLayoutUtils::AllowZoomingForDocument(
+@@ -699,6 +699,10 @@ bool nsLayoutUtils::AllowZoomingForDocument(
        !aDocument->GetPresShell()->AsyncPanZoomEnabled()) {
      return false;
    }
@@ -2276,7 +2184,7 @@ index d8995d6d94f5861d8ed839613768eb269b44e362..b946de49a0ecab449a9d1aff24c38f69
    // True if we allow zooming for all documents on this platform, or if we are
    // in RDM.
    BrowsingContext* bc = aDocument->GetBrowsingContext();
-@@ -9768,6 +9772,9 @@ void nsLayoutUtils::ComputeSystemFont(nsFont* aSystemFont,
+@@ -9645,6 +9649,9 @@ void nsLayoutUtils::ComputeSystemFont(nsFont* aSystemFont,
  
  /* static */
  bool nsLayoutUtils::ShouldHandleMetaViewport(const Document* aDocument) {
@@ -2287,10 +2195,10 @@ index d8995d6d94f5861d8ed839613768eb269b44e362..b946de49a0ecab449a9d1aff24c38f69
    return StaticPrefs::dom_meta_viewport_enabled() || (bc && bc->InRDMPane());
  }
 diff --git a/layout/style/GeckoBindings.h b/layout/style/GeckoBindings.h
-index c18d38d8ad2f80bb0d3512d1a9ae965c594bb356..22736c86eb5e3d0a44563c312e34032c157f3abe 100644
+index acb5b24776c8591933d1abcbcc7b254cf2ceb4e4..191ddd1f43bd704294727555c3d5137d69c1460c 100644
 --- a/layout/style/GeckoBindings.h
 +++ b/layout/style/GeckoBindings.h
-@@ -595,6 +595,7 @@ float Gecko_MediaFeatures_GetResolution(const mozilla::dom::Document*);
+@@ -593,6 +593,7 @@ float Gecko_MediaFeatures_GetResolution(const mozilla::dom::Document*);
  bool Gecko_MediaFeatures_PrefersReducedMotion(const mozilla::dom::Document*);
  bool Gecko_MediaFeatures_PrefersReducedTransparency(
      const mozilla::dom::Document*);
@@ -2299,10 +2207,10 @@ index c18d38d8ad2f80bb0d3512d1a9ae965c594bb356..22736c86eb5e3d0a44563c312e34032c
      const mozilla::dom::Document*);
  mozilla::StylePrefersColorScheme Gecko_MediaFeatures_PrefersColorScheme(
 diff --git a/layout/style/nsMediaFeatures.cpp b/layout/style/nsMediaFeatures.cpp
-index cc86d1abf6ccfe48530607c41cd675612cbe5582..8cce20c719fee8a0480ae6ea1fd53c6639d0bd7b 100644
+index 94f01a53378c67b78346cf13f43431d9a5d104d9..4861de461648699360ed8c0453126c6c80587745 100644
 --- a/layout/style/nsMediaFeatures.cpp
 +++ b/layout/style/nsMediaFeatures.cpp
-@@ -260,11 +260,11 @@ bool Gecko_MediaFeatures_MatchesPlatform(StylePlatform aPlatform) {
+@@ -265,11 +265,7 @@ bool Gecko_MediaFeatures_MatchesPlatform(StylePlatform aPlatform) {
  }
  
  bool Gecko_MediaFeatures_PrefersReducedMotion(const Document* aDocument) {
@@ -2312,28 +2220,24 @@ index cc86d1abf6ccfe48530607c41cd675612cbe5582..8cce20c719fee8a0480ae6ea1fd53c66
 -  }
 -  return LookAndFeel::GetInt(LookAndFeel::IntID::PrefersReducedMotion, 0) == 1;
 +  return aDocument->PrefersReducedMotion();
-+}
-+
-+bool Gecko_MediaFeatures_ForcedColors(const Document* aDocument) {
-+  return aDocument->ForcedColors();
  }
  
  bool Gecko_MediaFeatures_PrefersReducedTransparency(const Document* aDocument) {
 diff --git a/netwerk/base/LoadInfo.cpp b/netwerk/base/LoadInfo.cpp
-index 21d5a5e1b4193d058c30268ab73c8d595436b381..11b960ec0ff3ea77857cb915d05bbdbb6772bb37 100644
+index 283e991f921f877ddfc6b15e8dbe08f92bf3342b..7d08aa7fa4a40255a93c617fc2cc99d6b3f666d6 100644
 --- a/netwerk/base/LoadInfo.cpp
 +++ b/netwerk/base/LoadInfo.cpp
-@@ -693,7 +693,8 @@ LoadInfo::LoadInfo(const LoadInfo& rhs)
-       mHasInjectedCookieForCookieBannerHandling(
+@@ -694,7 +694,8 @@ LoadInfo::LoadInfo(const LoadInfo& rhs)
            rhs.mHasInjectedCookieForCookieBannerHandling),
        mWasSchemelessInput(rhs.mWasSchemelessInput),
--      mHttpsUpgradeTelemetry(rhs.mHttpsUpgradeTelemetry) {
-+      mHttpsUpgradeTelemetry(rhs.mHttpsUpgradeTelemetry),
+       mHttpsUpgradeTelemetry(rhs.mHttpsUpgradeTelemetry),
+-      mIsNewWindowTarget(rhs.mIsNewWindowTarget) {
++      mIsNewWindowTarget(rhs.mIsNewWindowTarget),
 +      mJugglerLoadIdentifier(rhs.mJugglerLoadIdentifier) {
  }
  
  LoadInfo::LoadInfo(
-@@ -2461,4 +2462,16 @@ LoadInfo::SetHttpsUpgradeTelemetry(
+@@ -2488,4 +2489,16 @@ LoadInfo::SetSkipHTTPSUpgrade(bool aSkipHTTPSUpgrade) {
    return NS_OK;
  }
  
@@ -2351,26 +2255,29 @@ index 21d5a5e1b4193d058c30268ab73c8d595436b381..11b960ec0ff3ea77857cb915d05bbdbb
 +
  }  // namespace mozilla::net
 diff --git a/netwerk/base/LoadInfo.h b/netwerk/base/LoadInfo.h
-index 6ba1d8e11efbbf75f4a44d4977587429ad1371f8..d834f1f5528264f59c4547f00825e0a3b433d9dd 100644
+index 0598c9703fdd0f8f71cc9d88ade4c8bc8b241af6..bfb71b848104c7df0c3784a95801a87d5f9cc20b 100644
 --- a/netwerk/base/LoadInfo.h
 +++ b/netwerk/base/LoadInfo.h
-@@ -413,9 +413,10 @@ class LoadInfo final : public nsILoadInfo {
+@@ -413,12 +413,13 @@ class LoadInfo final : public nsILoadInfo {
  
    bool mHasInjectedCookieForCookieBannerHandling = false;
    bool mWasSchemelessInput = false;
 -
    nsILoadInfo::HTTPSUpgradeTelemetryType mHttpsUpgradeTelemetry =
        nsILoadInfo::NOT_INITIALIZED;
+ 
+   bool mIsNewWindowTarget = false;
+   bool mSkipHTTPSUpgrade = false;
 +
 +  uint64_t mJugglerLoadIdentifier = 0;
  };
  
  // This is exposed solely for testing purposes and should not be used outside of
 diff --git a/netwerk/base/TRRLoadInfo.cpp b/netwerk/base/TRRLoadInfo.cpp
-index 9dc2bb0da6871b905abd17d931e555429977c6c2..b71cf6393492346f16417b3ba745a235a483be22 100644
+index d1aad5d3a3863f62b17ebb01d9d6dc02c5dbcf71..8b3640504c877fccd75d523dc45c3a1c812f4ceb 100644
 --- a/netwerk/base/TRRLoadInfo.cpp
 +++ b/netwerk/base/TRRLoadInfo.cpp
-@@ -903,5 +903,15 @@ TRRLoadInfo::SetHttpsUpgradeTelemetry(
+@@ -923,5 +923,15 @@ TRRLoadInfo::SetSkipHTTPSUpgrade(bool aSkipHTTPSUpgrade) {
    return NS_ERROR_NOT_IMPLEMENTED;
  }
  
@@ -2387,13 +2294,14 @@ index 9dc2bb0da6871b905abd17d931e555429977c6c2..b71cf6393492346f16417b3ba745a235
  }  // namespace net
  }  // namespace mozilla
 diff --git a/netwerk/base/nsILoadInfo.idl b/netwerk/base/nsILoadInfo.idl
-index daccd1dc75fb1f6ba88c8f734e10c14cbdbffe8f..9621ca5dc05f12a8d81da787fa479fe03ea99e4c 100644
+index afe180f91f6b4921408955db499fcb47f1da509f..89e9dd69dccd3bff11076595244e106a06d80de1 100644
 --- a/netwerk/base/nsILoadInfo.idl
 +++ b/netwerk/base/nsILoadInfo.idl
-@@ -1590,4 +1590,5 @@ interface nsILoadInfo : nsISupports
+@@ -1600,4 +1600,6 @@ interface nsILoadInfo : nsISupports
+    * When true, this load will never be upgraded to HTTPS.
     */
-   [infallible] attribute nsILoadInfo_HTTPSUpgradeTelemetryType httpsUpgradeTelemetry;
- 
+   [infallible] attribute boolean skipHTTPSUpgrade;
++
 +  [infallible] attribute unsigned long long jugglerLoadIdentifier;
  };
 diff --git a/netwerk/base/nsINetworkInterceptController.idl b/netwerk/base/nsINetworkInterceptController.idl
@@ -2409,10 +2317,10 @@ index 7f91d2df6f8bb4020c75c132dc8f6bf26625fa1e..ba6569f4be8fc54ec96ee44d5de45a09
      /**
       * Set the status and reason for the forthcoming synthesized response.
 diff --git a/netwerk/ipc/DocumentLoadListener.cpp b/netwerk/ipc/DocumentLoadListener.cpp
-index ef946929c9bbd7903c8e3b32bcb373d5096aed52..a2814c5c891e2877aca9fdb4698385282b8743a9 100644
+index 82c6137d8c52c8fd2ba3542d6f7a645ad1e73f11..5f31e5e1c9cb44d49ac61b6f6bda0189424c2685 100644
 --- a/netwerk/ipc/DocumentLoadListener.cpp
 +++ b/netwerk/ipc/DocumentLoadListener.cpp
-@@ -171,6 +171,7 @@ static auto CreateDocumentLoadInfo(CanonicalBrowsingContext* aBrowsingContext,
+@@ -172,6 +172,7 @@ static auto CreateDocumentLoadInfo(CanonicalBrowsingContext* aBrowsingContext,
    loadInfo->SetTextDirectiveUserActivation(
        aLoadState->GetTextDirectiveUserActivation());
    loadInfo->SetIsMetaRefresh(aLoadState->IsMetaRefresh());
@@ -2459,10 +2367,10 @@ index e81a4538fd45c13aa60d933de5f4f32ce69fb5f2..d7945f81295c497485a09696f06ce041
    if (mPump && mLoadFlags & LOAD_CALL_CONTENT_SNIFFERS) {
      mPump->PeekStream(CallTypeSniffers, static_cast<nsIChannel*>(this));
 diff --git a/parser/html/nsHtml5TreeOpExecutor.cpp b/parser/html/nsHtml5TreeOpExecutor.cpp
-index 071ed8da4135102b0b1fedce32326bdc0657c3fd..063b516001a674b558046f9191f08352eb671801 100644
+index d05b06c3f9ddba3b40d5969730474eaf0d843cb1..9b2cc35c504e1044ac681c62c107f8feb6c16938 100644
 --- a/parser/html/nsHtml5TreeOpExecutor.cpp
 +++ b/parser/html/nsHtml5TreeOpExecutor.cpp
-@@ -1391,6 +1391,10 @@ void nsHtml5TreeOpExecutor::UpdateReferrerInfoFromMeta(
+@@ -1334,6 +1334,10 @@ void nsHtml5TreeOpExecutor::UpdateReferrerInfoFromMeta(
  void nsHtml5TreeOpExecutor::AddSpeculationCSP(const nsAString& aCSP) {
    NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
  
@@ -2547,10 +2455,10 @@ index 6dfd07d6b676a99993408921de8dea9d561f201d..e3c6794363cd6336effbeac83a179f37
    readonly attribute boolean securityCheckDisabled;
  };
 diff --git a/services/settings/Utils.sys.mjs b/services/settings/Utils.sys.mjs
-index 73c83e526be1a3a252f995d0718e3975d50bffa7..db5977c54221e19e107a8325a0834302c2e84546 100644
+index 12fef6cde815a9301944c399a58f27a7e4c4d5d7..0f7f06d1002a089547d1b15d7d8ddf264f28b529 100644
 --- a/services/settings/Utils.sys.mjs
 +++ b/services/settings/Utils.sys.mjs
-@@ -95,7 +95,7 @@ function _isUndefined(value) {
+@@ -97,7 +97,7 @@ const _cdnURLs = {};
  
  export var Utils = {
    get SERVER_URL() {
@@ -2559,7 +2467,7 @@ index 73c83e526be1a3a252f995d0718e3975d50bffa7..db5977c54221e19e107a8325a0834302
        ? lazy.gServerURL
        : AppConstants.REMOTE_SETTINGS_SERVER_URL;
    },
-@@ -108,6 +108,9 @@ export var Utils = {
+@@ -110,6 +110,9 @@ export var Utils = {
    log,
  
    get shouldSkipRemoteActivityDueToTests() {
@@ -2569,30 +2477,6 @@ index 73c83e526be1a3a252f995d0718e3975d50bffa7..db5977c54221e19e107a8325a0834302
      return (
        (lazy.isRunningTests || Cu.isInAutomation) &&
        this.SERVER_URL == "data:,#remote-settings-dummy/v1"
-diff --git a/servo/components/style/gecko/media_features.rs b/servo/components/style/gecko/media_features.rs
-index df1c5e464b845b6a8bfedadb86d0e7aab7fd3ffc..34451e791bb59f635134de702d9e5f641fe8df79 100644
---- a/servo/components/style/gecko/media_features.rs
-+++ b/servo/components/style/gecko/media_features.rs
-@@ -303,10 +303,16 @@ impl ForcedColors {
- 
- /// https://drafts.csswg.org/mediaqueries-5/#forced-colors
- fn eval_forced_colors(context: &Context, query_value: Option<ForcedColors>) -> bool {
--    let forced = context.device().forced_colors();
-+    let prefers_forced_colors =
-+        unsafe { bindings::Gecko_MediaFeatures_ForcedColors(context.device().document()) };
-+    let query_value = match query_value {
-+        Some(v) => v,
-+        None => return prefers_forced_colors,
-+    };
-     match query_value {
--        Some(query_value) => query_value == forced,
--        None => forced != ForcedColors::None,
-+        ForcedColors::Active => prefers_forced_colors,
-+        ForcedColors::Requested => prefers_forced_colors,
-+        ForcedColors::None => !prefers_forced_colors,
-     }
- }
- 
 diff --git a/toolkit/components/browser/nsIWebBrowserChrome.idl b/toolkit/components/browser/nsIWebBrowserChrome.idl
 index 75555352b8a15a50e4a21e34fc8ede4e9246c7cc..72855a404effa42b6c55cd0c2fcb8bdd6c2b3f9f 100644
 --- a/toolkit/components/browser/nsIWebBrowserChrome.idl
@@ -2625,10 +2509,10 @@ index 00a5381133f8cec0de452c31c7151801a1acc0b9..5d3e3d6f566dc724f257beaeb994ceda
  
      if (provider.failed) {
 diff --git a/toolkit/components/resistfingerprinting/nsUserCharacteristics.cpp b/toolkit/components/resistfingerprinting/nsUserCharacteristics.cpp
-index 6a40d032449e780bfeb77934ba141317b94e7189..1468d38355058b985f18613bd6e3bc84086fae40 100644
+index 3aeddf503de749ecd2d87cac2e8185db0ae265d5..85f5f06ca3beee0b4aa6c51551bbe5a4390ed0df 100644
 --- a/toolkit/components/resistfingerprinting/nsUserCharacteristics.cpp
 +++ b/toolkit/components/resistfingerprinting/nsUserCharacteristics.cpp
-@@ -553,7 +553,7 @@ void PopulateLanguages() {
+@@ -487,7 +487,7 @@ void PopulateLanguages() {
    // sufficient to only collect this information as the other properties are
    // just reformats of Navigator::GetAcceptLanguages.
    nsTArray<nsString> languages;
@@ -2638,10 +2522,10 @@ index 6a40d032449e780bfeb77934ba141317b94e7189..1468d38355058b985f18613bd6e3bc84
  
    for (const auto& language : languages) {
 diff --git a/toolkit/components/startup/nsAppStartup.cpp b/toolkit/components/startup/nsAppStartup.cpp
-index 3314cb813f6ceb67096eeda0864ad3b16c0616cb..5aac63649e186d624a9905a5d16513f8353f5515 100644
+index 76d85f007ba2198921f9deccfa91efc185af183b..689f0656debc6e50078828bde830c357cc7efaec 100644
 --- a/toolkit/components/startup/nsAppStartup.cpp
 +++ b/toolkit/components/startup/nsAppStartup.cpp
-@@ -371,7 +371,7 @@ nsAppStartup::Quit(uint32_t aMode, int aExitCode, bool* aUserAllowedQuit) {
+@@ -365,7 +365,7 @@ nsAppStartup::Quit(uint32_t aMode, int aExitCode, bool* aUserAllowedQuit) {
      nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
      nsCOMPtr<nsIWindowMediator> mediator(
          do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
@@ -2666,10 +2550,10 @@ index 654903fadb709be976b72f36f155e23bc0622152..815b3dc24c9fda6b1db6c4666ac68904
                                          int32_t aMaxSelfProgress,
                                          int32_t aCurTotalProgress,
 diff --git a/toolkit/components/windowwatcher/nsWindowWatcher.cpp b/toolkit/components/windowwatcher/nsWindowWatcher.cpp
-index e3f616c4efd5d7e10ed372afa4b5c4d2d93e6a67..abb7772184c9baf23025c1577d1284b6ed1959fb 100644
+index 585a957fd8a1467dc262bd1ca2058584fd8762c9..16ad38c3b7d753c386e091af700d1bebd4c59e3e 100644
 --- a/toolkit/components/windowwatcher/nsWindowWatcher.cpp
 +++ b/toolkit/components/windowwatcher/nsWindowWatcher.cpp
-@@ -1881,7 +1881,11 @@ uint32_t nsWindowWatcher::CalculateChromeFlagsForContent(
+@@ -1875,7 +1875,11 @@ uint32_t nsWindowWatcher::CalculateChromeFlagsForContent(
  
    // Open a minimal popup.
    *aIsPopupRequested = true;
@@ -2683,10 +2567,10 @@ index e3f616c4efd5d7e10ed372afa4b5c4d2d93e6a67..abb7772184c9baf23025c1577d1284b6
  
  /**
 diff --git a/toolkit/mozapps/update/UpdateService.sys.mjs b/toolkit/mozapps/update/UpdateService.sys.mjs
-index 6c2b400952492266a184c96b4a1ce71e87df7ffe..6e1fb4f59b6a6d70100e1eb1d15c937d8480988a 100644
+index f7a6f11d510b895869673f842f29d9de9e433766..5be30f341b01acfe496a3178bef3f79282d5dfeb 100644
 --- a/toolkit/mozapps/update/UpdateService.sys.mjs
 +++ b/toolkit/mozapps/update/UpdateService.sys.mjs
-@@ -3894,6 +3894,8 @@ export class UpdateService {
+@@ -3895,6 +3895,8 @@ export class UpdateService {
    }
  
    get disabledForTesting() {
@@ -2707,6 +2591,22 @@ index f42ed17a4a75689ae9c8e769d7b6e2c3f654b8ee..5af0877335339407160dd7d10b89bd3d
          "/toolkit/components/telemetry/tests/marionette",
      ]
  
+diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp
+index 318ee7e293b917534128d2c0fa631ecf369b5119..6049f5a260153f963710f45e6fd2345521e1180b 100644
+--- a/toolkit/xre/nsAppRunner.cpp
++++ b/toolkit/xre/nsAppRunner.cpp
+@@ -5640,7 +5640,10 @@ nsresult XREMain::XRE_mainRun() {
+ 
+     if (!AppShutdown::IsInOrBeyond(ShutdownPhase::AppShutdownConfirmed)) {
+ #ifdef XP_MACOSX
+-      if (!BackgroundTasks::IsBackgroundTaskMode()) {
++#    if defined(MOZ_BACKGROUNDTASKS)
++      if (!BackgroundTasks::IsBackgroundTaskMode())
++#    endif  // defined(MOZ_BACKGROUNDTASKS)
++      {
+         rv = appStartup->CreateHiddenWindow();
+         NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
+       }
 diff --git a/toolkit/xre/nsWindowsWMain.cpp b/toolkit/xre/nsWindowsWMain.cpp
 index 7eb9e1104682d4eb47060654f43a1efa8b2a6bb2..a8315d6decf654b5302bea5beeea34140c300ded 100644
 --- a/toolkit/xre/nsWindowsWMain.cpp
@@ -2743,10 +2643,10 @@ index 7eb9e1104682d4eb47060654f43a1efa8b2a6bb2..a8315d6decf654b5302bea5beeea3414
    // Only run this code if LauncherProcessWin.h was included beforehand, thus
    // signalling that the hosting process should support launcher mode.
 diff --git a/uriloader/base/nsDocLoader.cpp b/uriloader/base/nsDocLoader.cpp
-index fe72a2715da8846146377e719559c16e6ef1f7ff..a5959143bac8f62ee359fa3883a844f3fe541685 100644
+index 01ca680039edcc9f56900a40e0a94cb77a367383..36f3f9a13bc0e3da3285a7a14c824c1bad9a0799 100644
 --- a/uriloader/base/nsDocLoader.cpp
 +++ b/uriloader/base/nsDocLoader.cpp
-@@ -813,6 +813,12 @@ void nsDocLoader::DocLoaderIsEmpty(bool aFlushLayout,
+@@ -812,6 +812,12 @@ void nsDocLoader::DocLoaderIsEmpty(bool aFlushLayout,
                        ("DocLoader:%p: Firing load event for document.open\n",
                         this));
  
@@ -2760,7 +2660,7 @@ index fe72a2715da8846146377e719559c16e6ef1f7ff..a5959143bac8f62ee359fa3883a844f3
                // nsDocumentViewer::LoadComplete that doesn't do various things
                // that are not relevant here because this wasn't an actual
 diff --git a/uriloader/exthandler/nsExternalHelperAppService.cpp b/uriloader/exthandler/nsExternalHelperAppService.cpp
-index 139a43a1780dac34a6d8b135accac9cf39beef3f..2a855c3ae87e4e5a431cb1547cda0ee88490ca33 100644
+index 2c27ae5c68810557ab4b60efd4b4893433dff77d..29b1916903da6eebdbc38f987fda0d947c31e872 100644
 --- a/uriloader/exthandler/nsExternalHelperAppService.cpp
 +++ b/uriloader/exthandler/nsExternalHelperAppService.cpp
 @@ -112,6 +112,7 @@
@@ -2771,7 +2671,7 @@ index 139a43a1780dac34a6d8b135accac9cf39beef3f..2a855c3ae87e4e5a431cb1547cda0ee8
  #include "mozilla/Preferences.h"
  #include "mozilla/ipc/URIUtils.h"
  
-@@ -872,6 +873,12 @@ NS_IMETHODIMP nsExternalHelperAppService::ApplyDecodingForExtension(
+@@ -864,6 +865,12 @@ NS_IMETHODIMP nsExternalHelperAppService::ApplyDecodingForExtension(
    return NS_OK;
  }
  
@@ -2784,7 +2684,7 @@ index 139a43a1780dac34a6d8b135accac9cf39beef3f..2a855c3ae87e4e5a431cb1547cda0ee8
  nsresult nsExternalHelperAppService::GetFileTokenForPath(
      const char16_t* aPlatformAppPath, nsIFile** aFile) {
    nsDependentString platformAppPath(aPlatformAppPath);
-@@ -1494,7 +1501,12 @@ nsresult nsExternalAppHandler::SetUpTempFile(nsIChannel* aChannel) {
+@@ -1485,7 +1492,12 @@ nsresult nsExternalAppHandler::SetUpTempFile(nsIChannel* aChannel) {
    // Strip off the ".part" from mTempLeafName
    mTempLeafName.Truncate(mTempLeafName.Length() - ArrayLength(".part") + 1);
  
@@ -2797,7 +2697,7 @@ index 139a43a1780dac34a6d8b135accac9cf39beef3f..2a855c3ae87e4e5a431cb1547cda0ee8
    mSaver =
        do_CreateInstance(NS_BACKGROUNDFILESAVERSTREAMLISTENER_CONTRACTID, &rv);
    NS_ENSURE_SUCCESS(rv, rv);
-@@ -1683,7 +1695,36 @@ NS_IMETHODIMP nsExternalAppHandler::OnStartRequest(nsIRequest* request) {
+@@ -1671,7 +1683,36 @@ NS_IMETHODIMP nsExternalAppHandler::OnStartRequest(nsIRequest* request) {
      return NS_OK;
    }
  
@@ -2835,7 +2735,7 @@ index 139a43a1780dac34a6d8b135accac9cf39beef3f..2a855c3ae87e4e5a431cb1547cda0ee8
    if (NS_FAILED(rv)) {
      nsresult transferError = rv;
  
-@@ -1744,6 +1785,9 @@ NS_IMETHODIMP nsExternalAppHandler::OnStartRequest(nsIRequest* request) {
+@@ -1732,6 +1773,9 @@ NS_IMETHODIMP nsExternalAppHandler::OnStartRequest(nsIRequest* request) {
  
    bool alwaysAsk = true;
    mMimeInfo->GetAlwaysAskBeforeHandling(&alwaysAsk);
@@ -2845,7 +2745,7 @@ index 139a43a1780dac34a6d8b135accac9cf39beef3f..2a855c3ae87e4e5a431cb1547cda0ee8
    if (alwaysAsk) {
      // But we *don't* ask if this mimeInfo didn't come from
      // our user configuration datastore and the user has said
-@@ -2260,6 +2304,16 @@ nsExternalAppHandler::OnSaveComplete(nsIBackgroundFileSaver* aSaver,
+@@ -2248,6 +2292,16 @@ nsExternalAppHandler::OnSaveComplete(nsIBackgroundFileSaver* aSaver,
      NotifyTransfer(aStatus);
    }
  
@@ -2862,7 +2762,7 @@ index 139a43a1780dac34a6d8b135accac9cf39beef3f..2a855c3ae87e4e5a431cb1547cda0ee8
    return NS_OK;
  }
  
-@@ -2743,6 +2797,15 @@ NS_IMETHODIMP nsExternalAppHandler::Cancel(nsresult aReason) {
+@@ -2731,6 +2785,15 @@ NS_IMETHODIMP nsExternalAppHandler::Cancel(nsresult aReason) {
      }
    }
  
@@ -2879,7 +2779,7 @@ index 139a43a1780dac34a6d8b135accac9cf39beef3f..2a855c3ae87e4e5a431cb1547cda0ee8
    // OnStartRequest)
    mDialog = nullptr;
 diff --git a/uriloader/exthandler/nsExternalHelperAppService.h b/uriloader/exthandler/nsExternalHelperAppService.h
-index e880b90b2df85fb3b1ab3ba8d2fc181b824e2272..dbadd74dea9b245d68da3b2856e16b7b98c655d0 100644
+index 2dd4ff87bda3e0ba395cca168c42b37db1713ddf..83e8a3d328e325b3f50f593c9ea71692f9c7d401 100644
 --- a/uriloader/exthandler/nsExternalHelperAppService.h
 +++ b/uriloader/exthandler/nsExternalHelperAppService.h
 @@ -258,6 +258,8 @@ class nsExternalHelperAppService : public nsIExternalHelperAppService,
@@ -2891,7 +2791,7 @@ index e880b90b2df85fb3b1ab3ba8d2fc181b824e2272..dbadd74dea9b245d68da3b2856e16b7b
  };
  
  /**
-@@ -463,6 +465,9 @@ class nsExternalAppHandler final : public nsIStreamListener,
+@@ -455,6 +457,9 @@ class nsExternalAppHandler final : public nsIStreamListener,
     * Upon successful return, both mTempFile and mSaver will be valid.
     */
    nsresult SetUpTempFile(nsIChannel* aChannel);
@@ -2973,10 +2873,10 @@ index 1c25e9d9a101233f71e92288a0f93125b81ac1c5..22cf67b0f6e3ddd2b3ed725a314ba6a9
  }
  #endif
 diff --git a/widget/MouseEvents.h b/widget/MouseEvents.h
-index 3d469853bbd30c433ee7b6d2be7175caa568196e..214b92f0a8913fb6667b7554410d4cd58c53cad3 100644
+index 413b3f00a9659a8d0760745a006bc72b3e4de846..3d26a1c5c1c9ff1feea698165085ae1a88517f86 100644
 --- a/widget/MouseEvents.h
 +++ b/widget/MouseEvents.h
-@@ -327,6 +327,9 @@ class WidgetMouseEvent : public WidgetMouseEventBase,
+@@ -363,6 +363,9 @@ class WidgetMouseEvent : public WidgetMouseEventBase,
    // Otherwise, this must be 0.
    uint32_t mClickCount = 0;
  
@@ -2986,14 +2886,14 @@ index 3d469853bbd30c433ee7b6d2be7175caa568196e..214b92f0a8913fb6667b7554410d4cd5
    // Whether the event should ignore scroll frame bounds during dispatch.
    bool mIgnoreRootScrollFrame = false;
  
-@@ -341,6 +344,7 @@ class WidgetMouseEvent : public WidgetMouseEventBase,
+@@ -386,6 +389,7 @@ class WidgetMouseEvent : public WidgetMouseEventBase,
      mContextMenuTrigger = aEvent.mContextMenuTrigger;
      mExitFrom = aEvent.mExitFrom;
      mClickCount = aEvent.mClickCount;
 +    mJugglerEventId = aEvent.mJugglerEventId;
      mIgnoreRootScrollFrame = aEvent.mIgnoreRootScrollFrame;
+     mIgnoreCapturingContent = aEvent.mIgnoreCapturingContent;
      mClickEventPrevented = aEvent.mClickEventPrevented;
-   }
 diff --git a/widget/cocoa/NativeKeyBindings.mm b/widget/cocoa/NativeKeyBindings.mm
 index e4bdf715e2fb899e97a5bfeb2e147127460d6047..3554f919480278b7353617481c7ce8050630a1aa 100644
 --- a/widget/cocoa/NativeKeyBindings.mm
@@ -3057,6 +2957,30 @@ index e4bdf715e2fb899e97a5bfeb2e147127460d6047..3554f919480278b7353617481c7ce805
          break;
        }
        if (aEvent.IsMeta()) {
+diff --git a/widget/gtk/nsFilePicker.cpp b/widget/gtk/nsFilePicker.cpp
+index 6f5b0ba67b59635256d444f6b56be656c0caac04..90815bb3d3ed2801fc2eba16db168f454dad9d67 100644
+--- a/widget/gtk/nsFilePicker.cpp
++++ b/widget/gtk/nsFilePicker.cpp
+@@ -21,6 +21,7 @@
+ #include "mozilla/Components.h"
+ #include "mozilla/Preferences.h"
+ #include "mozilla/dom/Promise.h"
++#include "gfxPlatform.h"
+ 
+ #include "nsArrayEnumerator.h"
+ #include "nsEnumeratorUtils.h"
+@@ -421,6 +422,11 @@ nsFilePicker::Open(nsIFilePickerShownCallback* aCallback) {
+     return NS_OK;
+   }
+ 
++  // Don't attempt to open a real file-picker in headless mode.
++  if (gfxPlatform::IsHeadless()) {
++    return NS_ERROR_NOT_AVAILABLE;
++  }
++
+   NS_ConvertUTF16toUTF8 title(mTitle);
+ 
+   GtkWindow* parent_widget =
 diff --git a/widget/headless/HeadlessCompositorWidget.cpp b/widget/headless/HeadlessCompositorWidget.cpp
 index bb4ee9175e66dc40de1871a7f91368fe309494a3..747625e3869882300bfbc18b184db5151dd90c1a 100644
 --- a/widget/headless/HeadlessCompositorWidget.cpp
@@ -3249,10 +3173,10 @@ index 9856991ef32f25f51942f8cd664a09bec2192c70..948947a421179e91c51005aeb83ed0d1
    ~HeadlessWidget();
    bool mEnabled;
 diff --git a/widget/nsGUIEventIPC.h b/widget/nsGUIEventIPC.h
-index 02775a7f27f5697bc33872d997198ce305556970..6c1ae0e371ee012ef47c8e9c74f949da05ad0025 100644
+index cfededb82aa739c38f028bcaea0f3fa39d74f663..d3469a594f9e3b210d230c914de91da4cf9eff82 100644
 --- a/widget/nsGUIEventIPC.h
 +++ b/widget/nsGUIEventIPC.h
-@@ -234,6 +234,7 @@ struct ParamTraits<mozilla::WidgetMouseEvent> {
+@@ -244,6 +244,7 @@ struct ParamTraits<mozilla::WidgetMouseEvent> {
                                aParam.mExitFrom.value()));
      }
      WriteParam(aWriter, aParam.mClickCount);
@@ -3260,7 +3184,7 @@ index 02775a7f27f5697bc33872d997198ce305556970..6c1ae0e371ee012ef47c8e9c74f949da
    }
  
    static bool Read(MessageReader* aReader, paramType* aResult) {
-@@ -258,6 +259,7 @@ struct ParamTraits<mozilla::WidgetMouseEvent> {
+@@ -268,6 +269,7 @@ struct ParamTraits<mozilla::WidgetMouseEvent> {
        aResult->mExitFrom = Some(static_cast<paramType::ExitFrom>(exitFrom));
      }
      rv = rv && ReadParam(aReader, &aResult->mClickCount);
diff --git a/browser_patches/webkit/UPSTREAM_CONFIG.sh b/browser_patches/webkit/UPSTREAM_CONFIG.sh
index 3fb94ec302..bfca024bd6 100644
--- a/browser_patches/webkit/UPSTREAM_CONFIG.sh
+++ b/browser_patches/webkit/UPSTREAM_CONFIG.sh
@@ -1,3 +1,3 @@
 REMOTE_URL="https://github.com/WebKit/WebKit.git"
 BASE_BRANCH="main"
-BASE_REVISION="8ceb1da47e75a488ae4c12017a861636904acd4f"
+BASE_REVISION="76c95d6131edd36775a5eac01e297926fc974be8"
diff --git a/browser_patches/webkit/embedder/Playwright/mac/AppDelegate.m b/browser_patches/webkit/embedder/Playwright/mac/AppDelegate.m
index f9708d364d..b4d08b700a 100644
--- a/browser_patches/webkit/embedder/Playwright/mac/AppDelegate.m
+++ b/browser_patches/webkit/embedder/Playwright/mac/AppDelegate.m
@@ -33,6 +33,7 @@
 #import <WebKit/WKUserContentControllerPrivate.h>
 #import <WebKit/WKWebViewConfigurationPrivate.h>
 #import <WebKit/WKWebViewPrivate.h>
+#import <WebKit/WKWebpagePreferencesPrivate.h>
 #import <WebKit/WKWebsiteDataStorePrivate.h>
 #import <WebKit/WebNSURLExtras.h>
 #import <WebKit/WebKit.h>
@@ -240,6 +241,8 @@ const NSActivityOptions ActivityOptions =
         configuration.preferences._hiddenPageDOMTimerThrottlingAutoIncreases = NO;
         configuration.preferences._pageVisibilityBasedProcessSuppressionEnabled = NO;
         configuration.preferences._domTimersThrottlingEnabled = NO;
+        // Do not auto play audio and video with sound.
+        configuration.defaultWebpagePreferences._autoplayPolicy = _WKWebsiteAutoplayPolicyAllowWithoutSound;
         _WKProcessPoolConfiguration *processConfiguration = [[[_WKProcessPoolConfiguration alloc] init] autorelease];
         processConfiguration.forceOverlayScrollbars = YES;
         configuration.processPool = [[[WKProcessPool alloc] _initWithConfiguration:processConfiguration] autorelease];
diff --git a/browser_patches/webkit/patches/bootstrap.diff b/browser_patches/webkit/patches/bootstrap.diff
index ea833df5fd..2776a182d7 100644
--- a/browser_patches/webkit/patches/bootstrap.diff
+++ b/browser_patches/webkit/patches/bootstrap.diff
@@ -1,8 +1,8 @@
 diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
-index db9554ed7eb6ddb62de1bc549a8e7c50944c7869..b6ce1761f11281c6362790ee59d83feed6f717cf 100644
+index 37aca585f67028500a828354396c9e59ccfe273d..f32c64abe10c08b44a75b4682ab2885a4d258799 100644
 --- a/Source/JavaScriptCore/CMakeLists.txt
 +++ b/Source/JavaScriptCore/CMakeLists.txt
-@@ -1398,22 +1398,27 @@ set(JavaScriptCore_INSPECTOR_DOMAINS
+@@ -1402,22 +1402,27 @@ set(JavaScriptCore_INSPECTOR_DOMAINS
      ${JAVASCRIPTCORE_DIR}/inspector/protocol/CSS.json
      ${JAVASCRIPTCORE_DIR}/inspector/protocol/Canvas.json
      ${JAVASCRIPTCORE_DIR}/inspector/protocol/Console.json
@@ -31,10 +31,10 @@ index db9554ed7eb6ddb62de1bc549a8e7c50944c7869..b6ce1761f11281c6362790ee59d83fee
      ${JAVASCRIPTCORE_DIR}/inspector/protocol/ServiceWorker.json
      ${JAVASCRIPTCORE_DIR}/inspector/protocol/Target.json
 diff --git a/Source/JavaScriptCore/DerivedSources-input.xcfilelist b/Source/JavaScriptCore/DerivedSources-input.xcfilelist
-index eebcd3f03aeb560fd70ab52b325e21c5ced74321..340323566ea7c8f5d85303c7adb4570913a41451 100644
+index 7b9566ebe6355e6cb853e59a478a17a29953e856..a8d3266e69c4700a8b5ed806f456e8d1bc3194b9 100644
 --- a/Source/JavaScriptCore/DerivedSources-input.xcfilelist
 +++ b/Source/JavaScriptCore/DerivedSources-input.xcfilelist
-@@ -99,21 +99,26 @@ $(PROJECT_DIR)/inspector/protocol/CPUProfiler.json
+@@ -100,21 +100,26 @@ $(PROJECT_DIR)/inspector/protocol/CPUProfiler.json
  $(PROJECT_DIR)/inspector/protocol/CSS.json
  $(PROJECT_DIR)/inspector/protocol/Canvas.json
  $(PROJECT_DIR)/inspector/protocol/Console.json
@@ -62,10 +62,10 @@ index eebcd3f03aeb560fd70ab52b325e21c5ced74321..340323566ea7c8f5d85303c7adb45709
  $(PROJECT_DIR)/inspector/protocol/Security.json
  $(PROJECT_DIR)/inspector/protocol/ServiceWorker.json
 diff --git a/Source/JavaScriptCore/DerivedSources.make b/Source/JavaScriptCore/DerivedSources.make
-index 99dd36c7234cecd9c6620c94c4e6e93ff6548d77..d2017ded67f3e811d0f905be238c73ccb0348aa7 100644
+index 103f0b77b93558944be1770a00e1a149d7257812..a580b33ea9a7f2f74547f77c1dab4caa019dce81 100644
 --- a/Source/JavaScriptCore/DerivedSources.make
 +++ b/Source/JavaScriptCore/DerivedSources.make
-@@ -299,22 +299,27 @@ INSPECTOR_DOMAINS := \
+@@ -303,22 +303,27 @@ INSPECTOR_DOMAINS := \
      $(JavaScriptCore)/inspector/protocol/CSS.json \
      $(JavaScriptCore)/inspector/protocol/Canvas.json \
      $(JavaScriptCore)/inspector/protocol/Console.json \
@@ -121,19 +121,19 @@ index 9bc5d1fd8e2a7e576be046b3c6ae1266696cf552..610f810db1dd6865c500c0796386a828
  {
      return addPrefixToIdentifier(++s_lastUsedIdentifier);
 diff --git a/Source/JavaScriptCore/inspector/IdentifiersFactory.h b/Source/JavaScriptCore/inspector/IdentifiersFactory.h
-index eb25aedee4cd9ebe007e06c2515b37ee095b06f4..badf6559595c8377db1089ca3c25008e1be2c8f1 100644
+index 4113ddb45d4a8d08379d4dc56c44cde56162accf..e00cb9cb01a7a241f3f25b1e4cdc2fcaee92b3ac 100644
 --- a/Source/JavaScriptCore/inspector/IdentifiersFactory.h
 +++ b/Source/JavaScriptCore/inspector/IdentifiersFactory.h
 @@ -31,6 +31,7 @@ namespace Inspector {
  
- class JS_EXPORT_PRIVATE IdentifiersFactory {
+ class IdentifiersFactory {
  public:
-+    static void initializeWithProcessID(uint64_t);
-     static String createIdentifier();
-     static String requestId(unsigned long identifier);
++    JS_EXPORT_PRIVATE static void initializeWithProcessID(uint64_t);
+     JS_EXPORT_PRIVATE static String createIdentifier();
+     JS_EXPORT_PRIVATE static String requestId(unsigned long identifier);
  };
 diff --git a/Source/JavaScriptCore/inspector/InjectedScriptBase.cpp b/Source/JavaScriptCore/inspector/InjectedScriptBase.cpp
-index 143135027999755614d5fae2b897d8dd5e62d611..a357963f3350d29ea0fd90a20ac2393ff6a0efa9 100644
+index 8b39848154ecab9f7daa2d21c85562a319cd06d7..c8a1f44cb4516993899ffe1404b6c3865d42433a 100644
 --- a/Source/JavaScriptCore/inspector/InjectedScriptBase.cpp
 +++ b/Source/JavaScriptCore/inspector/InjectedScriptBase.cpp
 @@ -85,7 +85,10 @@ static RefPtr<JSON::Value> jsToInspectorValue(JSC::JSGlobalObject* globalObject,
@@ -149,10 +149,10 @@ index 143135027999755614d5fae2b897d8dd5e62d611..a357963f3350d29ea0fd90a20ac2393f
                  return nullptr;
              inspectorObject->setValue(name.string(), inspectorValue.releaseNonNull());
 diff --git a/Source/JavaScriptCore/inspector/InspectorBackendDispatcher.cpp b/Source/JavaScriptCore/inspector/InspectorBackendDispatcher.cpp
-index 3b2056bf5a71301383e0895d77cc6f16842235a9..eaf73171ce70ac43abbe404122a263ce708bb41f 100644
+index 1f5d0adbf624bd24ef1e525967e6e82e8c37b4e5..4fe0f364b4ccd11774bf29f772e0a568549a4322 100644
 --- a/Source/JavaScriptCore/inspector/InspectorBackendDispatcher.cpp
 +++ b/Source/JavaScriptCore/inspector/InspectorBackendDispatcher.cpp
-@@ -100,7 +100,7 @@ void BackendDispatcher::registerDispatcherForDomain(const String& domain, Supple
+@@ -102,7 +102,7 @@ void BackendDispatcher::registerDispatcherForDomain(const String& domain, Supple
      m_dispatchers.set(domain, dispatcher);
  }
  
@@ -161,7 +161,7 @@ index 3b2056bf5a71301383e0895d77cc6f16842235a9..eaf73171ce70ac43abbe404122a263ce
  {
      Ref<BackendDispatcher> protect(*this);
  
-@@ -145,6 +145,9 @@ void BackendDispatcher::dispatch(const String& message)
+@@ -147,6 +147,9 @@ void BackendDispatcher::dispatch(const String& message)
          requestId = *requestIdInt;
      }
  
@@ -172,18 +172,19 @@ index 3b2056bf5a71301383e0895d77cc6f16842235a9..eaf73171ce70ac43abbe404122a263ce
          // We could be called re-entrantly from a nested run loop, so restore the previous id.
          SetForScope scopedRequestId(m_currentRequestId, requestId);
 diff --git a/Source/JavaScriptCore/inspector/InspectorBackendDispatcher.h b/Source/JavaScriptCore/inspector/InspectorBackendDispatcher.h
-index 0c83a1c3baa3bdbb30e53c11aaafd8bda34309cd..127616bbdb65b0867266e5bd6a63bd5a58212870 100644
+index 2eba743177c016a3415d4a5deafc552e842dd0fa..939d14be7a2703777652467f0f60e67ef1c5e0f8 100644
 --- a/Source/JavaScriptCore/inspector/InspectorBackendDispatcher.h
 +++ b/Source/JavaScriptCore/inspector/InspectorBackendDispatcher.h
-@@ -84,7 +84,10 @@ public:
+@@ -83,8 +83,11 @@ public:
+         ServerError
      };
  
-     void registerDispatcherForDomain(const String& domain, SupplementalBackendDispatcher*);
--    void dispatch(const String& message);
-+
 +    enum class InterceptionResult { Intercepted, Continue };
 +    using Interceptor = WTF::Function<InterceptionResult(const RefPtr<JSON::Object>&)>;
-+    void dispatch(const String& message, Interceptor&& interceptor = Interceptor());
++
+     JS_EXPORT_PRIVATE void registerDispatcherForDomain(const String& domain, SupplementalBackendDispatcher*);
+-    JS_EXPORT_PRIVATE void dispatch(const String& message);
++    JS_EXPORT_PRIVATE void dispatch(const String& message, Interceptor&& interceptor = Interceptor());
  
      // Note that 'unused' is a workaround so the compiler can pick the right sendResponse based on arity.
      // When <http://webkit.org/b/179847> is fixed or this class is renamed for the JSON::Object case,
@@ -222,7 +223,7 @@ index 0cc2127c9c12c2d82dea9550bad73f4ffb99ba24..8ca65cc042d435cbc0e05dcc5c5dfc95
  }
  
 diff --git a/Source/JavaScriptCore/inspector/InspectorTarget.h b/Source/JavaScriptCore/inspector/InspectorTarget.h
-index 082dd93cb0505c5bc7a2d5a7cf78fa0306809082..3f50f49ef9e691b3dc57dafd66c1e7d323736f40 100644
+index b555c2e5a071d0a6a016061cc60755449557556d..d019346f0932296d15212c76a4a9b56beb565ff4 100644
 --- a/Source/JavaScriptCore/inspector/InspectorTarget.h
 +++ b/Source/JavaScriptCore/inspector/InspectorTarget.h
 @@ -66,8 +66,12 @@ public:
@@ -367,25 +368,10 @@ index e47c6ca59f37fbf18ca8a393df72e0472363fabd..b393465540595220561ae00afb854082
  
  void InspectorTargetAgent::didCommitProvisionalTarget(const String& oldTargetID, const String& committedTargetID)
 diff --git a/Source/JavaScriptCore/inspector/agents/InspectorTargetAgent.h b/Source/JavaScriptCore/inspector/agents/InspectorTargetAgent.h
-index 1ccce5707ca2a4743029614777bb6b9938f8a09c..cbb3466a855887d4dac3a6064e5de6ead051c1a6 100644
+index 04377b714a6ccb5294c65d592e74350621d470ba..b6de937bfa3e6185ce29f4e432d327a3cedee6df 100644
 --- a/Source/JavaScriptCore/inspector/agents/InspectorTargetAgent.h
 +++ b/Source/JavaScriptCore/inspector/agents/InspectorTargetAgent.h
-@@ -37,12 +37,12 @@ namespace Inspector {
- 
- class InspectorTarget;
- 
--class InspectorTargetAgent final : public InspectorAgentBase, public TargetBackendDispatcherHandler, public CanMakeCheckedPtr<InspectorTargetAgent> {
-+class JS_EXPORT_PRIVATE InspectorTargetAgent final : public InspectorAgentBase, public TargetBackendDispatcherHandler, public CanMakeCheckedPtr<InspectorTargetAgent> {
-     WTF_MAKE_NONCOPYABLE(InspectorTargetAgent);
-     WTF_MAKE_TZONE_ALLOCATED(InspectorTargetAgent);
-     WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(InspectorTargetAgent);
- public:
--    JS_EXPORT_PRIVATE InspectorTargetAgent(FrontendRouter&, BackendDispatcher&);
-+    InspectorTargetAgent(FrontendRouter&, BackendDispatcher&);
-     ~InspectorTargetAgent() final;
- 
-     // InspectorAgentBase
-@@ -53,14 +53,19 @@ public:
+@@ -53,8 +53,11 @@ public:
      Protocol::ErrorStringOr<void> setPauseOnStart(bool) final;
      Protocol::ErrorStringOr<void> resume(const String& targetId) final;
      Protocol::ErrorStringOr<void> sendMessageToTarget(const String& targetId, const String& message) final;
@@ -393,22 +379,20 @@ index 1ccce5707ca2a4743029614777bb6b9938f8a09c..cbb3466a855887d4dac3a6064e5de6ea
 +    Protocol::ErrorStringOr<void> close(const String& targetId, std::optional<bool>&& runBeforeUnload) override;
  
      // Target lifecycle.
--    JS_EXPORT_PRIVATE void targetCreated(InspectorTarget&);
--    JS_EXPORT_PRIVATE void targetDestroyed(InspectorTarget&);
--    JS_EXPORT_PRIVATE void didCommitProvisionalTarget(const String& oldTargetID, const String& committedTargetID);
-+    void targetCreated(InspectorTarget&);
-+    void targetDestroyed(InspectorTarget&);
 +    void targetCrashed(InspectorTarget&);
-+    void didCommitProvisionalTarget(const String& oldTargetID, const String& committedTargetID);
- 
+     void targetCreated(InspectorTarget&);
+     void targetDestroyed(InspectorTarget&);
+     void didCommitProvisionalTarget(const String& oldTargetID, const String& committedTargetID);
+@@ -62,6 +65,9 @@ public:
      // Target messages.
--    JS_EXPORT_PRIVATE void sendMessageFromTargetToFrontend(const String& targetId, const String& message);
-+    void sendMessageFromTargetToFrontend(const String& targetId, const String& message);
-+
-+    bool isConnected() { return m_isConnected; }
+     void sendMessageFromTargetToFrontend(const String& targetId, const String& message);
  
++    bool shouldPauseOnStart() const { return m_shouldPauseOnStart; }
++    bool isConnected() { return m_isConnected; }
++
  private:
      // FrontendChannel
+     FrontendChannel::ConnectionType connectionType() const;
 diff --git a/Source/JavaScriptCore/inspector/protocol/DOM.json b/Source/JavaScriptCore/inspector/protocol/DOM.json
 index 27c65fbda226f1cd5bfd68944fe87fb9b2a688a6..b036f050859ee88004a7bf6daa4bb73835360615 100644
 --- a/Source/JavaScriptCore/inspector/protocol/DOM.json
@@ -903,10 +887,10 @@ index 96af27ece2ac200e11c4311b3ca0d9d3b5a048da..3168f7806fcbdabec07acc5e304bae1e
      ],
      "events": [
 diff --git a/Source/JavaScriptCore/inspector/protocol/Page.json b/Source/JavaScriptCore/inspector/protocol/Page.json
-index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c6462bbff82 100644
+index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..c14ec5652c0e9d311d94947e38a9e0da701046ef 100644
 --- a/Source/JavaScriptCore/inspector/protocol/Page.json
 +++ b/Source/JavaScriptCore/inspector/protocol/Page.json
-@@ -20,7 +20,14 @@
+@@ -20,7 +20,15 @@
                  "ScriptEnabled",
                  "ShowDebugBorders",
                  "ShowRepaintCounter",
@@ -918,11 +902,12 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
 +                "NotificationsEnabled",
 +                "FullScreenEnabled",
 +                "InputTypeMonthEnabled",
-+                "InputTypeWeekEnabled"
++                "InputTypeWeekEnabled",
++                "FixedBackgroundsPaintRelativeToDocument"
              ]
          },
          {
-@@ -62,6 +69,12 @@
+@@ -62,6 +70,12 @@
              "enum": ["None", "Lax", "Strict"],
              "description": "Same-Site policy of a cookie."
          },
@@ -935,7 +920,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
          {
              "id": "Frame",
              "type": "object",
-@@ -125,6 +138,50 @@
+@@ -125,6 +139,50 @@
                  { "name": "secure", "type": "boolean", "description": "True if cookie is secure." },
                  { "name": "sameSite", "$ref": "CookieSameSitePolicy", "description": "Cookie Same-Site policy." }
              ]
@@ -986,7 +971,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
          }
      ],
      "commands": [
-@@ -144,6 +201,14 @@
+@@ -144,6 +202,14 @@
                  { "name": "revalidateAllResources", "type": "boolean", "optional": true, "description": "If true, all cached subresources will be revalidated when the main resource loads. Otherwise, only expired cached subresources will be revalidated (the default behavior for most WebKit clients)." }
              ]
          },
@@ -1001,7 +986,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
          {
              "name": "navigate",
              "description": "Navigates current page to the given URL.",
-@@ -160,6 +225,14 @@
+@@ -160,6 +226,14 @@
                  { "name": "value", "type": "string", "optional": true, "description": "Value to override the user agent with. If this value is not provided, the override is removed. Overrides are removed when Web Inspector closes/disconnects." }
              ]
          },
@@ -1016,7 +1001,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
          {
              "name": "overrideSetting",
              "description": "Allows the frontend to override the inspected page's settings.",
-@@ -283,6 +356,28 @@
+@@ -283,6 +357,28 @@
                  { "name": "media", "type": "string", "description": "Media type to emulate. Empty string disables the override." }
              ]
          },
@@ -1045,7 +1030,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
          {
              "name": "snapshotNode",
              "description": "Capture a snapshot of the specified node that does not include unrelated layers.",
-@@ -303,7 +398,8 @@
+@@ -303,7 +399,8 @@
                  { "name": "y", "type": "integer", "description": "Y coordinate" },
                  { "name": "width", "type": "integer", "description": "Rectangle width" },
                  { "name": "height", "type": "integer", "description": "Rectangle height" },
@@ -1055,7 +1040,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
              ],
              "returns": [
                  { "name": "dataURL", "type": "string", "description": "Base64-encoded image data (PNG)." }
-@@ -321,12 +417,64 @@
+@@ -321,12 +418,64 @@
          {
              "name": "setScreenSizeOverride",
              "description": "Overrides screen size exposed to DOM and used in media queries for testing with provided values.",
@@ -1121,7 +1106,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
          }
      ],
      "events": [
-@@ -334,14 +482,16 @@
+@@ -334,14 +483,16 @@
              "name": "domContentEventFired",
              "targetTypes": ["page"],
              "parameters": [
@@ -1140,7 +1125,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
              ]
          },
          {
-@@ -351,6 +501,14 @@
+@@ -351,6 +502,14 @@
                  { "name": "frame", "$ref": "Frame", "description": "Frame object." }
              ]
          },
@@ -1155,7 +1140,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
          {
              "name": "frameDetached",
              "description": "Fired when frame has been detached from its parent.",
-@@ -379,7 +537,8 @@
+@@ -379,7 +538,8 @@
              "targetTypes": ["page"],
              "parameters": [
                  { "name": "frameId", "$ref": "Network.FrameId", "description": "Id of the frame that has scheduled a navigation." },
@@ -1165,7 +1150,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
              ]
          },
          {
-@@ -390,6 +549,22 @@
+@@ -390,6 +550,22 @@
                  { "name": "frameId", "$ref": "Network.FrameId", "description": "Id of the frame that has cleared its scheduled navigation." }
              ]
          },
@@ -1188,7 +1173,7 @@ index b5e2bb2eb58765ec20392b36bf5ef1ac35857a69..829bd459b62568e73fadd806adc14c64
          {
              "name": "defaultUserPreferencesDidChange",
              "description": "Fired when the default value of a user preference changes at the system level.",
-@@ -397,6 +572,42 @@
+@@ -397,6 +573,42 @@
              "parameters": [
                  { "name": "preferences", "type": "array", "items": { "$ref": "UserPreference" }, "description": "List of user preferences that can be overriden and their new system (default) values." }
              ]
@@ -1694,18 +1679,6 @@ index 52920cded24a9c6b0ef6fb4e518664955db4f9fa..bbbabc4e7259088b9404e8cc07eecd6f
              ]
          },
          {
-diff --git a/Source/JavaScriptCore/profiler/ProfilerBytecodeSequence.cpp b/Source/JavaScriptCore/profiler/ProfilerBytecodeSequence.cpp
-index 7c2ecd2c9afe3882903a590a76504d98da49f0af..9472d74977234a97e7ede76a042e22884c492594 100644
---- a/Source/JavaScriptCore/profiler/ProfilerBytecodeSequence.cpp
-+++ b/Source/JavaScriptCore/profiler/ProfilerBytecodeSequence.cpp
-@@ -28,7 +28,6 @@
- 
- #include "CodeBlock.h"
- #include "JSCInlines.h"
--#include "ProfilerDumper.h"
- #include <wtf/StringPrintStream.h>
- 
- namespace JSC { namespace Profiler {
 diff --git a/Source/JavaScriptCore/runtime/ConsoleClient.h b/Source/JavaScriptCore/runtime/ConsoleClient.h
 index 24891ad836086fd23024fcb4d08ca63f6974c812..29f4b6b1923383fec7a99d28a4e815dc4536d160 100644
 --- a/Source/JavaScriptCore/runtime/ConsoleClient.h
@@ -1719,18 +1692,19 @@ index 24891ad836086fd23024fcb4d08ca63f6974c812..29f4b6b1923383fec7a99d28a4e815dc
  private:
      enum ArgumentRequirement { ArgumentRequired, ArgumentNotRequired };
 diff --git a/Source/ThirdParty/libwebrtc/CMakeLists.txt b/Source/ThirdParty/libwebrtc/CMakeLists.txt
-index 2557956d875e6d5be0d83368f4eaaa8083585c26..da7bde1dc256e9e1f4d13469e150970f5090a993 100644
+index 347f61b918ee705f510c9e28d49acc5b3aac1f3c..b1718ebbdd3157938895b281497642de08216bbd 100644
 --- a/Source/ThirdParty/libwebrtc/CMakeLists.txt
 +++ b/Source/ThirdParty/libwebrtc/CMakeLists.txt
-@@ -453,6 +453,7 @@ set(webrtc_SOURCES
-     Source/third_party/boringssl/src/crypto/x509/x_val.c
-     Source/third_party/boringssl/src/crypto/x509/x_x509a.c
-     Source/third_party/boringssl/src/crypto/x509/x_x509.c
+@@ -5,6 +5,8 @@ file(MAKE_DIRECTORY ${libwebrtc_DERIVED_SOURCES_DIR})
+ 
+ enable_language(ASM)
+ 
++add_definitions(-DLIBYUV_DISABLE_SVE)
 +
-     Source/third_party/boringssl/src/decrepit/bio/base64_bio.c
-     Source/third_party/boringssl/src/decrepit/blowfish/blowfish.c
-     Source/third_party/boringssl/src/decrepit/cast/cast.c
-@@ -532,6 +533,11 @@ set(webrtc_SOURCES
+ if (NOT APPLE)
+     find_package(LibVpx 1.10.0)
+     if (NOT LIBVPX_FOUND)
+@@ -601,6 +603,11 @@ set(webrtc_SOURCES
      Source/third_party/crc32c/src/src/crc32c.cc
      Source/third_party/crc32c/src/src/crc32c_portable.cc
      Source/third_party/crc32c/src/src/crc32c_sse42.cc
@@ -1742,7 +1716,7 @@ index 2557956d875e6d5be0d83368f4eaaa8083585c26..da7bde1dc256e9e1f4d13469e150970f
      Source/third_party/libyuv/source/compare.cc
      Source/third_party/libyuv/source/compare_common.cc
      Source/third_party/libyuv/source/compare_gcc.cc
-@@ -2406,6 +2412,10 @@ set(webrtc_INCLUDE_DIRECTORIES PRIVATE
+@@ -2476,6 +2483,10 @@ set(webrtc_INCLUDE_DIRECTORIES PRIVATE
      Source/third_party/libsrtp/config
      Source/third_party/libsrtp/crypto/include
      Source/third_party/libsrtp/include
@@ -1767,22 +1741,14 @@ index 0c5c8e689bdddec766f9de5bffd4444a5e068d77..330dd1f585e530722178c65c883641a2
  
  // FIXME: Set WEBRTC_USE_BUILTIN_ISAC_FIX and WEBRTC_USE_BUILTIN_ISAC_FLOAT for iOS and Mac
 diff --git a/Source/ThirdParty/libwebrtc/Configurations/libwebrtc.exp b/Source/ThirdParty/libwebrtc/Configurations/libwebrtc.exp
-index fe9c7b3f648392219fdf5be8d2bab99e1b4959e4..def7770bc94a1f533add081e907826058f169bbe 100644
+index c6fb5ee1c32a896cd247d339ce5471b0c0628a89..e234adaff73a7302aa8847f32ad1fec545b087b1 100644
 --- a/Source/ThirdParty/libwebrtc/Configurations/libwebrtc.exp
 +++ b/Source/ThirdParty/libwebrtc/Configurations/libwebrtc.exp
-@@ -403,3 +403,24 @@ __ZN3rtc15CountIPMaskBitsERKNS_9IPAddressE
- __ZN3rtc19IPAddressPrecedenceERKNS_9IPAddressE
- __ZNK3rtc16InterfaceAddresseqERKS0_
- __ZNK3rtc16InterfaceAddress8ToStringEv
-+__ZN8mkvmuxer11SegmentInfo15set_writing_appEPKc
+@@ -421,3 +421,16 @@ __ZNK8mkvmuxer7Segment16GetTrackByNumberEy
+ __ZN8mkvmuxer6Tracks11kAv1CodecIdE
+ __ZN8mkvmuxer6Tracks11kVp8CodecIdE
+ __ZN8mkvmuxer6Tracks11kVp9CodecIdE
 +__ZN8mkvmuxer11SegmentInfo4InitEv
-+__ZN8mkvmuxer7Segment10OutputCuesEb
-+__ZN8mkvmuxer7Segment13AddVideoTrackEiii
-+__ZN8mkvmuxer7Segment4InitEPNS_10IMkvWriterE
-+__ZN8mkvmuxer7Segment8AddFrameEPKhyyyb
-+__ZN8mkvmuxer7Segment8FinalizeEv
-+__ZN8mkvmuxer7SegmentC1Ev
-+__ZN8mkvmuxer7SegmentD1Ev
 +__ZN8mkvmuxer9MkvWriterC1EP7__sFILE
 +_ARGBToI420
 +_vpx_codec_destroy
@@ -1795,32 +1761,8 @@ index fe9c7b3f648392219fdf5be8d2bab99e1b4959e4..def7770bc94a1f533add081e90782605
 +_vpx_codec_iface_name
 +_vpx_codec_version_str
 +_vpx_codec_vp8_cx
-diff --git a/Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc b/Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
-index 9ada3cdc5f6ceecabdc4b17998754a7bf3adb0e9..1136def8438ec98a8f96bfd67fd9b0691bb3ffaf 100644
---- a/Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
-+++ b/Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtcp_transceiver_impl.cc
-@@ -16,6 +16,7 @@
- #include "absl/algorithm/container.h"
- #include "absl/memory/memory.h"
- #include "absl/types/optional.h"
-+#include "api/call/transport.h"
- #include "api/video/video_bitrate_allocation.h"
- #include "modules/rtp_rtcp/include/receive_statistics.h"
- #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-diff --git a/Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtp_format_h264.h b/Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtp_format_h264.h
-index f95c3b6c6b73a01974f26d88bcc533e5032ddb66..6a9368c60824cd32649c93286522d779cac59bd2 100644
---- a/Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtp_format_h264.h
-+++ b/Source/ThirdParty/libwebrtc/Source/webrtc/modules/rtp_rtcp/source/rtp_format_h264.h
-@@ -16,6 +16,7 @@
- 
- #include <deque>
- #include <memory>
-+#include <optional>
- #include <queue>
- 
- #include "api/array_view.h"
 diff --git a/Source/ThirdParty/libwebrtc/libwebrtc.xcodeproj/project.pbxproj b/Source/ThirdParty/libwebrtc/libwebrtc.xcodeproj/project.pbxproj
-index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a7bee394e 100644
+index 10f3107c5688e799c6466a1e74f834637b39d2b2..ac3ce66727fb6de865fe1df7b94ed1debba56212 100644
 --- a/Source/ThirdParty/libwebrtc/libwebrtc.xcodeproj/project.pbxproj
 +++ b/Source/ThirdParty/libwebrtc/libwebrtc.xcodeproj/project.pbxproj
 @@ -35,6 +35,20 @@
@@ -1844,17 +1786,7 @@ index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a
  /* Begin PBXBuildFile section */
  		2D6BFF60280A93DF00A1A74F /* video_coding.h in Headers */ = {isa = PBXBuildFile; fileRef = 4131C45B234C81710028A615 /* video_coding.h */; settings = {ATTRIBUTES = (Public, ); }; };
  		2D6BFF61280A93EC00A1A74F /* video_codec_initializer.h in Headers */ = {isa = PBXBuildFile; fileRef = 4131C45E234C81720028A615 /* video_codec_initializer.h */; settings = {ATTRIBUTES = (Public, ); }; };
-@@ -5144,6 +5158,9 @@
- 		DDF30D9127C5C725006A526F /* receive_side_congestion_controller.h in Headers */ = {isa = PBXBuildFile; fileRef = DDF30D9027C5C725006A526F /* receive_side_congestion_controller.h */; };
- 		DDF30D9527C5C756006A526F /* bwe_defines.h in Headers */ = {isa = PBXBuildFile; fileRef = DDF30D9327C5C756006A526F /* bwe_defines.h */; };
- 		DDF30D9627C5C756006A526F /* remote_bitrate_estimator.h in Headers */ = {isa = PBXBuildFile; fileRef = DDF30D9427C5C756006A526F /* remote_bitrate_estimator.h */; };
-+		F3B7819924C7CC5200FCB122 /* mkvmuxerutil.cc in Sources */ = {isa = PBXBuildFile; fileRef = F3B7819624C7CC5100FCB122 /* mkvmuxerutil.cc */; };
-+		F3B7819A24C7CC5200FCB122 /* mkvmuxer.cc in Sources */ = {isa = PBXBuildFile; fileRef = F3B7819724C7CC5200FCB122 /* mkvmuxer.cc */; };
-+		F3B7819B24C7CC5200FCB122 /* mkvwriter.cc in Sources */ = {isa = PBXBuildFile; fileRef = F3B7819824C7CC5200FCB122 /* mkvwriter.cc */; };
- /* End PBXBuildFile section */
- 
- /* Begin PBXBuildRule section */
-@@ -5632,6 +5649,13 @@
+@@ -5653,6 +5667,13 @@
  			remoteGlobalIDString = DDF30D0527C5C003006A526F;
  			remoteInfo = absl;
  		};
@@ -1868,42 +1800,7 @@ index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a
  /* End PBXContainerItemProxy section */
  
  /* Begin PBXCopyFilesBuildPhase section */
-@@ -11217,6 +11241,9 @@
- 		DDF30D9027C5C725006A526F /* receive_side_congestion_controller.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = receive_side_congestion_controller.h; sourceTree = "<group>"; };
- 		DDF30D9327C5C756006A526F /* bwe_defines.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = bwe_defines.h; sourceTree = "<group>"; };
- 		DDF30D9427C5C756006A526F /* remote_bitrate_estimator.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = remote_bitrate_estimator.h; sourceTree = "<group>"; };
-+		F3B7819624C7CC5100FCB122 /* mkvmuxerutil.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = mkvmuxerutil.cc; path = mkvmuxer/mkvmuxerutil.cc; sourceTree = "<group>"; };
-+		F3B7819724C7CC5200FCB122 /* mkvmuxer.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = mkvmuxer.cc; path = mkvmuxer/mkvmuxer.cc; sourceTree = "<group>"; };
-+		F3B7819824C7CC5200FCB122 /* mkvwriter.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = mkvwriter.cc; path = mkvmuxer/mkvwriter.cc; sourceTree = "<group>"; };
- 		FB39D0D11200F0E300088E69 /* libwebrtc.dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; includeInIndex = 0; path = libwebrtc.dylib; sourceTree = BUILT_PRODUCTS_DIR; };
- /* End PBXFileReference section */
- 
-@@ -20069,6 +20096,7 @@
- 			isa = PBXGroup;
- 			children = (
- 				CDFD2F9224C4B2F90048DAC3 /* common */,
-+				F3B7819524C7CC1300FCB122 /* mkvmuxer */,
- 				CDEBB19224C0191800ADBD44 /* webm_parser */,
- 			);
- 			path = libwebm;
-@@ -20480,6 +20508,16 @@
- 			path = include;
- 			sourceTree = "<group>";
- 		};
-+		F3B7819524C7CC1300FCB122 /* mkvmuxer */ = {
-+			isa = PBXGroup;
-+			children = (
-+				F3B7819724C7CC5200FCB122 /* mkvmuxer.cc */,
-+				F3B7819624C7CC5100FCB122 /* mkvmuxerutil.cc */,
-+				F3B7819824C7CC5200FCB122 /* mkvwriter.cc */,
-+			);
-+			name = mkvmuxer;
-+			sourceTree = "<group>";
-+		};
- 		FB39D06E1200ED9200088E69 = {
- 			isa = PBXGroup;
- 			children = (
-@@ -23772,6 +23810,7 @@
+@@ -23816,6 +23837,7 @@
  			);
  			dependencies = (
  				410B3827292B73E90003E515 /* PBXTargetDependency */,
@@ -1911,7 +1808,7 @@ index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a
  				DD2E76E827C6B69A00F2A74C /* PBXTargetDependency */,
  				CDEBB4CC24C01AB400ADBD44 /* PBXTargetDependency */,
  				411ED040212E0811004320BA /* PBXTargetDependency */,
-@@ -23854,6 +23893,7 @@
+@@ -23898,6 +23920,7 @@
  				4460B8B92B155B6A00392062 /* vp9_qp_parser_fuzzer */,
  				444A6EF02AEADFC9005FE121 /* vp9_replay_fuzzer */,
  				44945C512B9BA1C300447FFD /* webm_fuzzer */,
@@ -1919,9 +1816,9 @@ index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a
  			);
  		};
  /* End PBXProject section */
-@@ -23937,6 +23977,23 @@
+@@ -24001,6 +24024,23 @@
  			shellPath = /bin/sh;
- 			shellScript = "\"${SRCROOT}/Scripts/create-symlink-to-altroot.sh\"\n";
+ 			shellScript = "[ -z \"${WK_DERIVED_SDK_HEADERS_DIR}\" -o -d \"${WK_DERIVED_SDK_HEADERS_DIR}\" ] && touch \"${SCRIPT_OUTPUT_FILE_0}\"\n";
  		};
 +		F31720B127FE216400EEE407 /* ShellScript */ = {
 +			isa = PBXShellScriptBuildPhase;
@@ -1943,17 +1840,7 @@ index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a
  /* End PBXShellScriptBuildPhase section */
  
  /* Begin PBXSourcesBuildPhase section */
-@@ -25924,6 +25981,9 @@
- 				5CDD865E1E43B8B500621E92 /* min_max_operations.c in Sources */,
- 				4189395B242A71F5007FDC41 /* min_video_bitrate_experiment.cc in Sources */,
- 				41B8D8FB28CB85CB00E5FA37 /* missing_mandatory_parameter_cause.cc in Sources */,
-+				F3B7819A24C7CC5200FCB122 /* mkvmuxer.cc in Sources */,
-+				F3B7819924C7CC5200FCB122 /* mkvmuxerutil.cc in Sources */,
-+				F3B7819B24C7CC5200FCB122 /* mkvwriter.cc in Sources */,
- 				4131C387234B957D0028A615 /* moving_average.cc in Sources */,
- 				41FCBB1521B1F7AA00A5DF27 /* moving_average.cc in Sources */,
- 				5CD286101E6A64C90094FDC8 /* moving_max.cc in Sources */,
-@@ -26796,6 +26856,11 @@
+@@ -26864,6 +26904,11 @@
  			target = DDF30D0527C5C003006A526F /* absl */;
  			targetProxy = DD2E76E727C6B69A00F2A74C /* PBXContainerItemProxy */;
  		};
@@ -1965,7 +1852,7 @@ index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a
  /* End PBXTargetDependency section */
  
  /* Begin XCBuildConfiguration section */
-@@ -27371,6 +27436,27 @@
+@@ -27439,6 +27484,27 @@
  			};
  			name = Production;
  		};
@@ -1993,7 +1880,7 @@ index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a
  		FB39D0711200ED9200088E69 /* Debug */ = {
  			isa = XCBuildConfiguration;
  			baseConfigurationReference = 5D7C59C71208C68B001C873E /* DebugRelease.xcconfig */;
-@@ -27673,6 +27759,16 @@
+@@ -27741,6 +27807,16 @@
  			defaultConfigurationIsVisible = 0;
  			defaultConfigurationName = Production;
  		};
@@ -2010,19 +1897,39 @@ index 4450f961579b52a88876cfc2d72a59bab4ccb863..4a217d81585ce495237aa013d3ace98a
  		FB39D0731200ED9200088E69 /* Build configuration list for PBXProject "libwebrtc" */ = {
  			isa = XCConfigurationList;
  			buildConfigurations = (
+diff --git a/Source/ThirdParty/skia/CMakeLists.txt b/Source/ThirdParty/skia/CMakeLists.txt
+index 2f20123e16626a3a1b76534ea4c0c38522228e06..3ab6fa2fe2a297e98597985903ba7ba735d6d436 100644
+--- a/Source/ThirdParty/skia/CMakeLists.txt
++++ b/Source/ThirdParty/skia/CMakeLists.txt
+@@ -5,6 +5,7 @@ if (NOT WIN32)
+     find_package(Freetype 2.9.0 REQUIRED)
+     find_package(Fontconfig 2.13.0 REQUIRED)
+ endif ()
++find_package(Threads REQUIRED)
+ find_package(WebP REQUIRED COMPONENTS mux)
+ 
+ if (ANDROID)
+@@ -950,6 +951,7 @@ endif ()
+ target_link_libraries(Skia PRIVATE
+     JPEG::JPEG
+     PNG::PNG
++    Threads::Threads
+     WebP::mux
+ )
+ 
 diff --git a/Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml b/Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
-index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70506b415d 100644
+index 97c903534c16864727f7ea5528ab56bfa5b3104a..fd0f0232df11883c9627ed71950f438ea007b480 100644
 --- a/Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
 +++ b/Source/WTF/Scripts/Preferences/UnifiedWebPreferences.yaml
-@@ -607,6 +607,7 @@ ApplePayEnabled:
-       default: false
+@@ -613,6 +613,7 @@ ApplePayEnabled:
+   richJavaScript: true
  
  # FIXME: This is on by default in WebKit2 PLATFORM(COCOA). Perhaps we should consider turning it on for WebKitLegacy as well.
 +# Playwright: enable on all platforms to align with Safari.
  AsyncClipboardAPIEnabled:
    type: bool
    status: mature
-@@ -617,7 +618,7 @@ AsyncClipboardAPIEnabled:
+@@ -623,7 +624,7 @@ AsyncClipboardAPIEnabled:
        default: false
      WebKit:
        "PLATFORM(COCOA) || PLATFORM(GTK)" : true
@@ -2031,7 +1938,21 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
      WebCore:
        default: false
  
-@@ -2046,6 +2047,7 @@ CrossOriginEmbedderPolicyEnabled:
+@@ -868,13 +869,10 @@ BlobFileAccessEnforcementEnabled:
+   sharedPreferenceForWebProcess: true
+   defaultValue:
+     WebKitLegacy:
+-      "PLATFORM(COCOA)": true
+       default: false
+     WebKit:
+-      "PLATFORM(COCOA)": true
+       default: false
+     WebCore:
+-      "PLATFORM(COCOA)": true
+       default: false
+ 
+ BlobRegistryTopOriginPartitioningEnabled:
+@@ -2194,6 +2192,7 @@ CrossOriginEmbedderPolicyEnabled:
      WebCore:
        default: false
  
@@ -2039,7 +1960,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
  CrossOriginOpenerPolicyEnabled:
    type: bool
    status: stable
-@@ -2086,7 +2088,7 @@ CustomPasteboardDataEnabled:
+@@ -2234,7 +2233,7 @@ CustomPasteboardDataEnabled:
      WebKitLegacy:
        default: false
      WebKit:
@@ -2047,8 +1968,8 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
 +      "PLATFORM(COCOA) || PLATFORM(GTK) || PLATFORM(WPE) || PLATFORM(WIN)": true
        default: false
  
- CustomStateSetEnabled:
-@@ -2145,6 +2147,7 @@ DOMAudioSessionFullEnabled:
+ DNSPrefetchingEnabled:
+@@ -2279,6 +2278,7 @@ DOMAudioSessionFullEnabled:
      WebCore:
        default: false
  
@@ -2056,7 +1977,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
  DOMPasteAccessRequestsEnabled:
    type: bool
    status: internal
-@@ -2156,7 +2159,7 @@ DOMPasteAccessRequestsEnabled:
+@@ -2290,7 +2290,7 @@ DOMPasteAccessRequestsEnabled:
        default: false
      WebKit:
        "PLATFORM(IOS) || PLATFORM(MAC) || PLATFORM(GTK) || PLATFORM(VISION)": true
@@ -2065,7 +1986,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
      WebCore:
        default: false
  
-@@ -2516,7 +2519,7 @@ DirectoryUploadEnabled:
+@@ -2639,7 +2639,7 @@ DirectoryUploadEnabled:
      WebKitLegacy:
        default: false
      WebKit:
@@ -2074,7 +1995,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
        default: false
      WebCore:
        default: false
-@@ -2939,10 +2942,10 @@ FullScreenEnabled:
+@@ -3103,10 +3103,10 @@ FullScreenEnabled:
      WebKitLegacy:
        default: false
      WebKit:
@@ -2087,7 +2008,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
        default: false
    sharedPreferenceForWebProcess: true
  
-@@ -3595,6 +3598,7 @@ InspectorAttachmentSide:
+@@ -3795,6 +3795,7 @@ InspectorAttachmentSide:
      WebKit:
        default: 0
  
@@ -2095,7 +2016,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
  InspectorStartsAttached:
    type: bool
    status: embedder
-@@ -3602,7 +3606,7 @@ InspectorStartsAttached:
+@@ -3802,7 +3803,7 @@ InspectorStartsAttached:
    exposed: [ WebKit ]
    defaultValue:
      WebKit:
@@ -2104,7 +2025,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
  
  InspectorWindowFrame:
    type: String
-@@ -3953,9 +3957,10 @@ LayoutViewportHeightExpansionFactor:
+@@ -4153,9 +4154,10 @@ LayoutViewportHeightExpansionFactor:
      WebCore:
        default: 0
  
@@ -2116,7 +2037,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
    category: html
    humanReadableName: "Lazy iframe loading"
    humanReadableDescription: "Enable lazy iframe loading support"
-@@ -3963,9 +3968,9 @@ LazyIframeLoadingEnabled:
+@@ -4163,9 +4165,9 @@ LazyIframeLoadingEnabled:
      WebKitLegacy:
        default: true
      WebKit:
@@ -2128,7 +2049,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
  
  LazyImageLoadingEnabled:
    type: bool
-@@ -5461,7 +5466,7 @@ PermissionsAPIEnabled:
+@@ -5695,7 +5697,7 @@ PermissionsAPIEnabled:
      WebKitLegacy:
        default: false
      WebKit:
@@ -2137,7 +2058,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
        default: false
      WebCore:
        default: false
-@@ -5524,6 +5529,19 @@ PitchCorrectionAlgorithm:
+@@ -5758,6 +5760,19 @@ PitchCorrectionAlgorithm:
      WebCore:
        default: MediaPlayerEnums::PitchCorrectionAlgorithm::BestAllAround
  
@@ -2156,8 +2077,8 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
 +
  PointerLockOptionsEnabled:
    type: bool
-   status: testable
-@@ -6060,7 +6078,7 @@ ScreenOrientationAPIEnabled:
+   status: stable
+@@ -6308,7 +6323,7 @@ ScreenOrientationAPIEnabled:
      WebKitLegacy:
        default: false
      WebKit:
@@ -2166,7 +2087,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
      WebCore:
        default: false
    sharedPreferenceForWebProcess: true
-@@ -7389,6 +7407,7 @@ UseCGDisplayListsForDOMRendering:
+@@ -7704,6 +7719,7 @@ UseCGDisplayListsForDOMRendering:
        default: true
    sharedPreferenceForWebProcess: true
  
@@ -2174,7 +2095,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
  UseGPUProcessForCanvasRenderingEnabled:
    type: bool
    status: stable
-@@ -7401,7 +7420,7 @@ UseGPUProcessForCanvasRenderingEnabled:
+@@ -7716,7 +7732,7 @@ UseGPUProcessForCanvasRenderingEnabled:
    defaultValue:
      WebKit:
        "ENABLE(GPU_PROCESS_BY_DEFAULT)": true
@@ -2183,7 +2104,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
        default: false
  
  UseGPUProcessForDOMRenderingEnabled:
-@@ -7444,6 +7463,7 @@ UseGPUProcessForMediaEnabled:
+@@ -7759,6 +7775,7 @@ UseGPUProcessForMediaEnabled:
        "ENABLE(GPU_PROCESS_BY_DEFAULT)": true
        default: false
  
@@ -2191,7 +2112,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
  UseGPUProcessForWebGLEnabled:
    type: bool
    status: internal
-@@ -7455,7 +7475,7 @@ UseGPUProcessForWebGLEnabled:
+@@ -7770,7 +7787,7 @@ UseGPUProcessForWebGLEnabled:
        default: false
      WebKit:
        "ENABLE(GPU_PROCESS_BY_DEFAULT) && ENABLE(GPU_PROCESS_WEBGL_BY_DEFAULT)": true
@@ -2201,7 +2122,7 @@ index 5b41178d65c94c1b0e1a51e37b21f9b6e827dbdd..716f80a56e5850b26bc7c0d1b2d91d70
      WebCore:
        "ENABLE(GPU_PROCESS_BY_DEFAULT) && ENABLE(GPU_PROCESS_WEBGL_BY_DEFAULT)": true
 diff --git a/Source/WTF/wtf/PlatformEnable.h b/Source/WTF/wtf/PlatformEnable.h
-index 62e05e9711b88f291833ec11fea15caba8d1826c..279be00347cbe501ba09040a511627ed308ecdbd 100644
+index 05707f446c2ad5a709f78fd7950a3c099f5f02e2..dae9ff949061a18cd149d63fe937c1cbfc302f4e 100644
 --- a/Source/WTF/wtf/PlatformEnable.h
 +++ b/Source/WTF/wtf/PlatformEnable.h
 @@ -409,7 +409,7 @@
@@ -2223,10 +2144,10 @@ index 62e05e9711b88f291833ec11fea15caba8d1826c..279be00347cbe501ba09040a511627ed
  
  #if !defined(ENABLE_TOUCH_ACTION_REGIONS)
 diff --git a/Source/WTF/wtf/PlatformEnableCocoa.h b/Source/WTF/wtf/PlatformEnableCocoa.h
-index 256964d0373b4ec43ddccc4c7c50ab9d85259294..c6aff1223553dcdbe2ac5165bc2fd9df763ee191 100644
+index 93435c6b18c4abb7934ac880a6bbb86b05a33756..b81515175fd55e4460a5ef398f9d3af28aeb70e6 100644
 --- a/Source/WTF/wtf/PlatformEnableCocoa.h
 +++ b/Source/WTF/wtf/PlatformEnableCocoa.h
-@@ -794,7 +794,7 @@
+@@ -802,7 +802,7 @@
  #endif
  
  #if !defined(ENABLE_SEC_ITEM_SHIM)
@@ -2236,7 +2157,7 @@ index 256964d0373b4ec43ddccc4c7c50ab9d85259294..c6aff1223553dcdbe2ac5165bc2fd9df
  
  #if !defined(ENABLE_SERVER_PRECONNECT)
 diff --git a/Source/WTF/wtf/PlatformHave.h b/Source/WTF/wtf/PlatformHave.h
-index fff5b0214d7706179adf40c2701018c260c1c657..fa53df1cd9bbe9348636ce70ede2bcdbfbb2af84 100644
+index 1779062c715c2232d13bb8c8e21dd82d932817df..8e35f41126a904460b812cdcef9350f224cc40ce 100644
 --- a/Source/WTF/wtf/PlatformHave.h
 +++ b/Source/WTF/wtf/PlatformHave.h
 @@ -433,7 +433,7 @@
@@ -2248,7 +2169,7 @@ index fff5b0214d7706179adf40c2701018c260c1c657..fa53df1cd9bbe9348636ce70ede2bcdb
  #define HAVE_OS_DARK_MODE_SUPPORT 1
  #endif
  
-@@ -1249,7 +1249,8 @@
+@@ -1234,7 +1234,8 @@
  #endif
  
  #if PLATFORM(MAC)
@@ -2258,49 +2179,15 @@ index fff5b0214d7706179adf40c2701018c260c1c657..fa53df1cd9bbe9348636ce70ede2bcdb
  #endif
  
  #if !defined(HAVE_LOCKDOWN_MODE_PDF_ADDITIONS) && \
-diff --git a/Source/WTF/wtf/StdLibExtras.h b/Source/WTF/wtf/StdLibExtras.h
-index 134f4922b0bd97ff80caaf7e4ac31b387f1c064f..f132cea6ad3306c5f1bd6252a53bb7b411b0bb54 100644
---- a/Source/WTF/wtf/StdLibExtras.h
-+++ b/Source/WTF/wtf/StdLibExtras.h
-@@ -27,6 +27,7 @@
- #pragma once
- 
- #include <algorithm>
-+#include <bit>
- #include <climits>
- #include <concepts>
- #include <cstring>
-@@ -45,6 +46,22 @@
- 
- #define SINGLE_ARG(...) __VA_ARGS__ // useful when a macro argument includes a comma
- 
-+// FIXME: Custom implementation not needed once all Linux systems use >libstdc++-10.
-+#if !defined(__cpp_lib_bit_cast) || __cpp_lib_bit_cast < 201806L
-+namespace std {
-+
-+template <typename T, typename U,
-+    typename std::enable_if<sizeof(T) == sizeof(U)
-+    && std::is_trivially_copyable<U>::value
-+    && std::is_trivially_copyable<T>::value,
-+    int>::type = 0>
-+inline constexpr T bit_cast(const U &value) {
-+    return __builtin_bit_cast(T, value);
-+}
-+
-+}
-+#endif
-+
- // Use this macro to declare and define a debug-only global variable that may have a
- // non-trivial constructor and destructor. When building with clang, this will suppress
- // warnings about global constructors and exit-time destructors.
 diff --git a/Source/WTF/wtf/unicode/UTF8Conversion.h b/Source/WTF/wtf/unicode/UTF8Conversion.h
-index 007b8fe3292f326504013be8198ae020f7aacf35..4439f901b4a9a92d881c7cee24ad9cd28149d276 100644
+index 007b8fe3292f326504013be8198ae020f7aacf35..1c722c473732ffe05fdb61010fa4417e3e399d1f 100644
 --- a/Source/WTF/wtf/unicode/UTF8Conversion.h
 +++ b/Source/WTF/wtf/unicode/UTF8Conversion.h
-@@ -27,6 +27,10 @@
+@@ -27,6 +27,11 @@
  
  #include <wtf/text/LChar.h>
  
++// Can be probably removed when we drop Debian 11.
 +#ifdef Success
 +#undef Success
 +#endif
@@ -2309,10 +2196,10 @@ index 007b8fe3292f326504013be8198ae020f7aacf35..4439f901b4a9a92d881c7cee24ad9cd2
  namespace Unicode {
  
 diff --git a/Source/WebCore/DerivedSources.make b/Source/WebCore/DerivedSources.make
-index f4df43f3fca6ec439815f3d0f2195abad6b046d6..9706dd76ea82d1dc23226c0ad5fd8cb57ba555b0 100644
+index f3c5f1acd4bcc6b51fa2175ac1f786280023d24b..041585f28cf7a38d4261b27b5e9be5e3b8cc65fc 100644
 --- a/Source/WebCore/DerivedSources.make
 +++ b/Source/WebCore/DerivedSources.make
-@@ -1191,6 +1191,10 @@ JS_BINDING_IDLS := \
+@@ -1220,6 +1220,10 @@ JS_BINDING_IDLS := \
      $(WebCore)/dom/SubscriberCallback.idl \
      $(WebCore)/dom/SubscriptionObserver.idl \
      $(WebCore)/dom/SubscriptionObserverCallback.idl \
@@ -2323,7 +2210,7 @@ index f4df43f3fca6ec439815f3d0f2195abad6b046d6..9706dd76ea82d1dc23226c0ad5fd8cb5
      $(WebCore)/dom/Text.idl \
      $(WebCore)/dom/TextDecoder.idl \
      $(WebCore)/dom/TextDecoderStream.idl \
-@@ -1783,9 +1787,6 @@ JS_BINDING_IDLS := \
+@@ -1814,9 +1818,6 @@ JS_BINDING_IDLS := \
  ADDITIONAL_BINDING_IDLS = \
      DocumentTouch.idl \
      GestureEvent.idl \
@@ -2334,7 +2221,7 @@ index f4df43f3fca6ec439815f3d0f2195abad6b046d6..9706dd76ea82d1dc23226c0ad5fd8cb5
  
  vpath %.in $(WEBKITADDITIONS_HEADER_SEARCH_PATHS)
 diff --git a/Source/WebCore/Modules/geolocation/Geolocation.cpp b/Source/WebCore/Modules/geolocation/Geolocation.cpp
-index 268f1dfa20097a708f1531975a908fa782b1adb2..5b5eb45dc77aa09be9df39073998eb7a25f44163 100644
+index 90bf15adb6a36e190f68448a125b5446a0674631..d64af222f0c824a7cd719e250c1023071465d24e 100644
 --- a/Source/WebCore/Modules/geolocation/Geolocation.cpp
 +++ b/Source/WebCore/Modules/geolocation/Geolocation.cpp
 @@ -360,8 +360,9 @@ bool Geolocation::shouldBlockGeolocationRequests()
@@ -2349,7 +2236,7 @@ index 268f1dfa20097a708f1531975a908fa782b1adb2..5b5eb45dc77aa09be9df39073998eb7a
      }
  
 diff --git a/Source/WebCore/Modules/speech/cocoa/WebSpeechRecognizerTask.mm b/Source/WebCore/Modules/speech/cocoa/WebSpeechRecognizerTask.mm
-index 506ebb25fa290f27a75674a6fe5506fc311910d6..07d34c567b42aca08b188243c3f036f64a8da0c4 100644
+index b2b0391c120d527a9ab4bc6daf8bff7ea5d03cf7..d490a95f89f21536fce4f403b86399160abefc23 100644
 --- a/Source/WebCore/Modules/speech/cocoa/WebSpeechRecognizerTask.mm
 +++ b/Source/WebCore/Modules/speech/cocoa/WebSpeechRecognizerTask.mm
 @@ -195,6 +195,7 @@ - (void)sendEndIfNeeded
@@ -2385,10 +2272,10 @@ index 506ebb25fa290f27a75674a6fe5506fc311910d6..07d34c567b42aca08b188243c3f036f6
  
      [self sendSpeechEndIfNeeded];
 diff --git a/Source/WebCore/PlatformWPE.cmake b/Source/WebCore/PlatformWPE.cmake
-index 2aada6f29a04eb3fb0530c47d0fb76f8e3d1bb9f..b936f5862a246c9bf30adbb593c348450b1510ba 100644
+index 9a7c34a144f55c4d333ebd6f5e86aa9fcec3f9f4..8c55646049ac55cd8dc483ce75bbb12030ef7c68 100644
 --- a/Source/WebCore/PlatformWPE.cmake
 +++ b/Source/WebCore/PlatformWPE.cmake
-@@ -59,6 +59,8 @@ list(APPEND WebCore_PRIVATE_FRAMEWORK_HEADERS
+@@ -60,6 +60,8 @@ list(APPEND WebCore_PRIVATE_FRAMEWORK_HEADERS
      platform/graphics/gbm/PlatformDisplayGBM.h
  
      platform/graphics/libwpe/PlatformDisplayLibWPE.h
@@ -2398,13 +2285,13 @@ index 2aada6f29a04eb3fb0530c47d0fb76f8e3d1bb9f..b936f5862a246c9bf30adbb593c34845
  
  set(CSS_VALUE_PLATFORM_DEFINES "HAVE_OS_DARK_MODE_SUPPORT=1")
 diff --git a/Source/WebCore/SourcesCocoa.txt b/Source/WebCore/SourcesCocoa.txt
-index 7b59e7fab81dbf2fa1847b40f1aac9437c6af62d..689a87649ab0a1aef273528d41840cca6ced46fe 100644
+index c22eb8b9b958976182c3ce078035f3f6238bb297..fcf83f02fdff9b91143d264a2e72ac2062125541 100644
 --- a/Source/WebCore/SourcesCocoa.txt
 +++ b/Source/WebCore/SourcesCocoa.txt
-@@ -716,3 +716,9 @@ testing/cocoa/WebViewVisualIdentificationOverlay.mm
+@@ -721,3 +721,9 @@ testing/cocoa/WebViewVisualIdentificationOverlay.mm
  platform/graphics/angle/GraphicsContextGLANGLE.cpp @no-unify
  platform/graphics/cocoa/GraphicsContextGLCocoa.mm @no-unify
- platform/graphics/cv/GraphicsContextGLCVCocoa.cpp @no-unify
+ platform/graphics/cv/GraphicsContextGLCVCocoa.mm @no-unify
 +
 +// Playwright begin
 +JSTouch.cpp
@@ -2458,12 +2345,12 @@ index 3c68a8ed10cd24cffd26b4b70c3adad8eb6ba91f..b36dee714fdceba5248922bfb6d20469
 +JSSpeechSynthesisEventInit.cpp
 +// Playwright: end.
 diff --git a/Source/WebCore/WebCore.xcodeproj/project.pbxproj b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
-index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b0c8cc322 100644
+index a30a792bb3990e024a09567fa5f21631858fb58d..55746a752863d94b440e8b401309dd69484af2c0 100644
 --- a/Source/WebCore/WebCore.xcodeproj/project.pbxproj
 +++ b/Source/WebCore/WebCore.xcodeproj/project.pbxproj
-@@ -6224,6 +6224,13 @@
- 		EDE3A5000C7A430600956A37 /* ColorMac.h in Headers */ = {isa = PBXBuildFile; fileRef = EDE3A4FF0C7A430600956A37 /* ColorMac.h */; settings = {ATTRIBUTES = (Private, ); }; };
+@@ -6329,6 +6329,13 @@
  		EDEC98030AED7E170059137F /* WebCorePrefix.h in Headers */ = {isa = PBXBuildFile; fileRef = EDEC98020AED7E170059137F /* WebCorePrefix.h */; };
+ 		EE0C7E042CE845CB0043DAF8 /* CSSPositionTryRule.h in Headers */ = {isa = PBXBuildFile; fileRef = EE0C7E002CE845CB0043DAF8 /* CSSPositionTryRule.h */; };
  		EFCC6C8F20FE914400A2321B /* CanvasActivityRecord.h in Headers */ = {isa = PBXBuildFile; fileRef = EFCC6C8D20FE914000A2321B /* CanvasActivityRecord.h */; settings = {ATTRIBUTES = (Private, ); }; };
 +		F050E16823AC9C080011CE47 /* PlatformTouchEvent.h in Headers */ = {isa = PBXBuildFile; fileRef = F050E16623AC9C070011CE47 /* PlatformTouchEvent.h */; settings = {ATTRIBUTES = (Private, ); }; };
 +		F050E16A23AD660C0011CE47 /* Touch.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F050E16923AD660C0011CE47 /* Touch.cpp */; };
@@ -2475,7 +2362,7 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  		F12171F616A8CF0B000053CA /* WebVTTElement.h in Headers */ = {isa = PBXBuildFile; fileRef = F12171F416A8BC63000053CA /* WebVTTElement.h */; };
  		F32BDCD92363AACA0073B6AE /* UserGestureEmulationScope.h in Headers */ = {isa = PBXBuildFile; fileRef = F32BDCD72363AACA0073B6AE /* UserGestureEmulationScope.h */; };
  		F344C7141125B82C00F26EEE /* InspectorFrontendClient.h in Headers */ = {isa = PBXBuildFile; fileRef = F344C7121125B82C00F26EEE /* InspectorFrontendClient.h */; settings = {ATTRIBUTES = (Private, ); }; };
-@@ -20367,6 +20374,14 @@
+@@ -20816,6 +20823,14 @@
  		EE7A169F2C607BFA0057B563 /* StartViewTransitionOptions.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = StartViewTransitionOptions.h; sourceTree = "<group>"; };
  		EFB7287B2124C73D005C2558 /* CanvasActivityRecord.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = CanvasActivityRecord.cpp; sourceTree = "<group>"; };
  		EFCC6C8D20FE914000A2321B /* CanvasActivityRecord.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CanvasActivityRecord.h; sourceTree = "<group>"; };
@@ -2490,7 +2377,7 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  		F12171F316A8BC63000053CA /* WebVTTElement.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebVTTElement.cpp; sourceTree = "<group>"; };
  		F12171F416A8BC63000053CA /* WebVTTElement.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebVTTElement.h; sourceTree = "<group>"; };
  		F32BDCD52363AAC90073B6AE /* UserGestureEmulationScope.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = UserGestureEmulationScope.cpp; sourceTree = "<group>"; };
-@@ -28052,6 +28067,11 @@
+@@ -28555,6 +28570,11 @@
  				BC4A5324256055590028C592 /* TextDirectionSubmenuInclusionBehavior.h */,
  				2D4F96F11A1ECC240098BF88 /* TextIndicator.cpp */,
  				2D4F96F21A1ECC240098BF88 /* TextIndicator.h */,
@@ -2502,7 +2389,7 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  				F48570A42644C76D00C05F71 /* TranslationContextMenuInfo.h */,
  				F4E1965F21F26E4E00285078 /* UndoItem.cpp */,
  				2ECDBAD521D8906300F00ECD /* UndoItem.h */,
-@@ -34451,6 +34471,8 @@
+@@ -35368,6 +35388,8 @@
  				29E4D8DF16B0940F00C84704 /* PlatformSpeechSynthesizer.h */,
  				1AD8F81A11CAB9E900E93E54 /* PlatformStrategies.cpp */,
  				1AD8F81911CAB9E900E93E54 /* PlatformStrategies.h */,
@@ -2511,7 +2398,7 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  				0FD7C21D23CE41E30096D102 /* PlatformWheelEvent.cpp */,
  				935C476A09AC4D4F00A6AAB4 /* PlatformWheelEvent.h */,
  				F491A66A2A9FEFA300F96146 /* PlatformWheelEvent.serialization.in */,
-@@ -37208,6 +37230,7 @@
+@@ -38149,6 +38171,7 @@
  				AD6E71AB1668899D00320C13 /* DocumentSharedObjectPool.h */,
  				6BDB5DC1227BD3B800919770 /* DocumentStorageAccess.cpp */,
  				6BDB5DC0227BD3B800919770 /* DocumentStorageAccess.h */,
@@ -2519,7 +2406,7 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  				7CE7FA5B1EF882300060C9D6 /* DocumentTouch.cpp */,
  				7CE7FA591EF882300060C9D6 /* DocumentTouch.h */,
  				A8185F3209765765005826D9 /* DocumentType.cpp */,
-@@ -41975,6 +41998,8 @@
+@@ -43001,6 +43024,8 @@
  				F4E90A3C2B52038E002DA469 /* PlatformTextAlternatives.h in Headers */,
  				0F7D07331884C56C00B4AF86 /* PlatformTextTrack.h in Headers */,
  				074E82BB18A69F0E007EF54C /* PlatformTimeRanges.h in Headers */,
@@ -2528,7 +2415,7 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  				CDD08ABD277E542600EA3755 /* PlatformTrackConfiguration.h in Headers */,
  				CD1F9B022700323D00617EB6 /* PlatformVideoColorPrimaries.h in Headers */,
  				CD1F9B01270020B700617EB6 /* PlatformVideoColorSpace.h in Headers */,
-@@ -43261,6 +43286,7 @@
+@@ -44322,6 +44347,7 @@
  				0F54DD081881D5F5003EEDBB /* Touch.h in Headers */,
  				71B7EE0D21B5C6870031C1EF /* TouchAction.h in Headers */,
  				0F54DD091881D5F5003EEDBB /* TouchEvent.h in Headers */,
@@ -2536,7 +2423,7 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  				0F54DD0A1881D5F5003EEDBB /* TouchList.h in Headers */,
  				070334D71459FFD5008D8D45 /* TrackBase.h in Headers */,
  				BE88E0C21715CE2600658D98 /* TrackListBase.h in Headers */,
-@@ -44423,6 +44449,8 @@
+@@ -45498,6 +45524,8 @@
  				2D22830323A8470700364B7E /* CursorMac.mm in Sources */,
  				5CBD59592280E926002B22AA /* CustomHeaderFields.cpp in Sources */,
  				07E4BDBF2A3A5FAB000D5509 /* DictationCaretAnimator.cpp in Sources */,
@@ -2545,7 +2432,7 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  				7CE6CBFD187F394900D46BF5 /* FormatConverter.cpp in Sources */,
  				4667EA3E2968D9DA00BAB1E2 /* GameControllerHapticEffect.mm in Sources */,
  				46FE73D32968E52000B8064C /* GameControllerHapticEngines.mm in Sources */,
-@@ -44511,6 +44539,9 @@
+@@ -45587,6 +45615,9 @@
  				CE88EE262414467B007F29C2 /* TextAlternativeWithRange.mm in Sources */,
  				BE39137129B267F500FA5D4F /* TextTransformCocoa.cpp in Sources */,
  				51DF6D800B92A18E00C2DC85 /* ThreadCheck.mm in Sources */,
@@ -2556,10 +2443,10 @@ index 391eed371e8c521098e78df1990dd5dd0a2e1c52..0eb1418a2d334e58faf5011bc65f797b
  				538EC8021F96AF81004D22A8 /* UnifiedSource1.cpp in Sources */,
  				538EC8051F96AF81004D22A8 /* UnifiedSource2-mm.mm in Sources */,
 diff --git a/Source/WebCore/accessibility/AccessibilityObject.cpp b/Source/WebCore/accessibility/AccessibilityObject.cpp
-index 409ba22d242695a6612a1a2217bb555bd1a382cf..18d6af9e268b353d639aee78642576d6de96fc60 100644
+index 8d5aae2faffe469a44fdeee680b0a608487eb750..9389e0f7a372120cea95d95ee74ad59ff0810f62 100644
 --- a/Source/WebCore/accessibility/AccessibilityObject.cpp
 +++ b/Source/WebCore/accessibility/AccessibilityObject.cpp
-@@ -69,6 +69,7 @@
+@@ -70,6 +70,7 @@
  #include "HTMLTableSectionElement.h"
  #include "HTMLTextAreaElement.h"
  #include "HitTestResult.h"
@@ -2567,7 +2454,7 @@ index 409ba22d242695a6612a1a2217bb555bd1a382cf..18d6af9e268b353d639aee78642576d6
  #include "LocalFrame.h"
  #include "LocalizedStrings.h"
  #include "MathMLNames.h"
-@@ -4018,7 +4019,12 @@ AccessibilityObjectInclusion AccessibilityObject::defaultObjectInclusion() const
+@@ -4039,7 +4040,12 @@ AccessibilityObjectInclusion AccessibilityObject::defaultObjectInclusion() const
      if (roleValue() == AccessibilityRole::ApplicationDialog)
          return AccessibilityObjectInclusion::IncludeObject;
  
@@ -2581,33 +2468,11 @@ index 409ba22d242695a6612a1a2217bb555bd1a382cf..18d6af9e268b353d639aee78642576d6
  }
  
  bool AccessibilityObject::isWithinHiddenWebArea() const
-diff --git a/Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp b/Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp
-index bdfc31aa68fb0cf0e71351ae86b2af8a903a3c57..fbe06025d4147848cc4c7f3e3bac299da8c98f85 100644
---- a/Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp
-+++ b/Source/WebCore/accessibility/atspi/AccessibilityObjectTextAtspi.cpp
-@@ -289,7 +289,7 @@ String AccessibilityObjectAtspi::text() const
-     if (!value.isNull())
-         return value;
- 
--    auto text = m_coreObject->textUnderElement(TextUnderElementMode(TextUnderElementMode::Children::IncludeAllChildren));
-+    auto text = m_coreObject->textUnderElement({ TextUnderElementMode::Children::IncludeAllChildren });
-     if (auto* renderer = m_coreObject->renderer()) {
-         if (is<RenderListItem>(*renderer) && downcast<RenderListItem>(*renderer).markerRenderer()) {
-             if (renderer->style().direction() == TextDirection::LTR) {
-@@ -315,7 +315,7 @@ unsigned AccessibilityObject::getLengthForTextRange() const
-         textLength = downcast<RenderText>(*renderer).text().length();
- 
-     if (!textLength && allowsTextRanges())
--        textLength = textUnderElement(TextUnderElementMode(TextUnderElementMode::Children::IncludeAllChildren)).length();
-+        textLength = textUnderElement({ TextUnderElementMode::Children::IncludeAllChildren }).length();
- 
-     return textLength;
- }
 diff --git a/Source/WebCore/bindings/js/WebCoreBuiltinNames.h b/Source/WebCore/bindings/js/WebCoreBuiltinNames.h
-index 479938f501c65222a5820087c578184d64169dec..9bf7df2bc66c77b92edb1f93887922071d539458 100644
+index 73946c90c05b0df97746d1e0b67b29274176f081..4bb2265f523ee4fb21ddda22819420ccdb9b154c 100644
 --- a/Source/WebCore/bindings/js/WebCoreBuiltinNames.h
 +++ b/Source/WebCore/bindings/js/WebCoreBuiltinNames.h
-@@ -185,6 +185,8 @@ namespace WebCore {
+@@ -186,6 +186,8 @@ namespace WebCore {
      macro(DelayNode) \
      macro(DeprecationReportBody) \
      macro(DigitalCredential) \
@@ -2617,7 +2482,7 @@ index 479938f501c65222a5820087c578184d64169dec..9bf7df2bc66c77b92edb1f9388792207
      macro(DynamicsCompressorNode) \
      macro(ElementInternals) \
 diff --git a/Source/WebCore/css/query/MediaQueryFeatures.cpp b/Source/WebCore/css/query/MediaQueryFeatures.cpp
-index a4f2b2d167f77b19104daa9c56f62ae76485cb1a..c877d2439414452c4dfb79a6881dcf85e1d35fa0 100644
+index db901b29c12a0d49a5898d05421a813a627b8dc0..1ea6b452ecce001e3d3729a2c86c47fa9174b562 100644
 --- a/Source/WebCore/css/query/MediaQueryFeatures.cpp
 +++ b/Source/WebCore/css/query/MediaQueryFeatures.cpp
 @@ -364,7 +364,11 @@ const FeatureSchema& forcedColors()
@@ -2644,10 +2509,10 @@ index a4f2b2d167f77b19104daa9c56f62ae76485cb1a..c877d2439414452c4dfb79a6881dcf85
                  case ForcedAccessibilityValue::On:
                      return true;
 diff --git a/Source/WebCore/dom/DataTransfer.cpp b/Source/WebCore/dom/DataTransfer.cpp
-index 0aec57b302c54f2b02beaeec4a9a6733612212a9..726895552b252b83cdb4f9dd87867a6afc3ed101 100644
+index 2e0a6ccf6778b23f4338c981ae3799c589beccab..4d6b5c864dad7719cedd5668f7d32428be904248 100644
 --- a/Source/WebCore/dom/DataTransfer.cpp
 +++ b/Source/WebCore/dom/DataTransfer.cpp
-@@ -512,6 +512,14 @@ Ref<DataTransfer> DataTransfer::createForDrag(const Document& document)
+@@ -520,6 +520,14 @@ Ref<DataTransfer> DataTransfer::createForDrag(const Document& document)
      return adoptRef(*new DataTransfer(StoreMode::ReadWrite, Pasteboard::createForDragAndDrop(PagePasteboardContext::create(document.pageID())), Type::DragAndDropData));
  }
  
@@ -2663,10 +2528,10 @@ index 0aec57b302c54f2b02beaeec4a9a6733612212a9..726895552b252b83cdb4f9dd87867a6a
  {
      auto dataTransfer = adoptRef(*new DataTransfer(StoreMode::ReadWrite, makeUnique<StaticPasteboard>(), Type::DragAndDropData));
 diff --git a/Source/WebCore/dom/DataTransfer.h b/Source/WebCore/dom/DataTransfer.h
-index 6ca2550bf509381165e5da22cc894ccf6378f45c..535bd1b05e8d90b291235cfc3cb425084455ff26 100644
+index 6327b8ff7709ed58bfd8140e59af87cb3a1f2b51..562812425187e2bae137abb4903a1497d6c4fbab 100644
 --- a/Source/WebCore/dom/DataTransfer.h
 +++ b/Source/WebCore/dom/DataTransfer.h
-@@ -91,6 +91,9 @@ public:
+@@ -92,6 +92,9 @@ public:
  
  #if ENABLE(DRAG_SUPPORT)
      static Ref<DataTransfer> createForDrag(const Document&);
@@ -2873,7 +2738,7 @@ index 7813532cc52d582c42aebc979a1ecd1137765f08..c01cbd53ad2430a6ffab9a80fc73e74a
  
  #endif // USE(LIBWPE)
 diff --git a/Source/WebCore/html/FileInputType.cpp b/Source/WebCore/html/FileInputType.cpp
-index e582d1bc610c7794c4ad181511317d2378b9248b..4c6be4b94913a4649b33f1989def3433455b7109 100644
+index 26e7ca561e3923e2b11da48e777348d3928bff53..a151c289dcd1aef5e0f26faaa7785137296829b8 100644
 --- a/Source/WebCore/html/FileInputType.cpp
 +++ b/Source/WebCore/html/FileInputType.cpp
 @@ -37,6 +37,7 @@
@@ -2884,7 +2749,7 @@ index e582d1bc610c7794c4ad181511317d2378b9248b..4c6be4b94913a4649b33f1989def3433
  #include "LocalFrame.h"
  #include "LocalizedStrings.h"
  #include "MIMETypeRegistry.h"
-@@ -158,6 +159,11 @@ void FileInputType::handleDOMActivateEvent(Event& event)
+@@ -160,6 +161,11 @@ void FileInputType::handleDOMActivateEvent(Event& event)
      if (input.isDisabledFormControl())
          return;
  
@@ -2896,7 +2761,7 @@ index e582d1bc610c7794c4ad181511317d2378b9248b..4c6be4b94913a4649b33f1989def3433
      if (!UserGestureIndicator::processingUserGesture())
          return;
  
-@@ -346,7 +352,9 @@ void FileInputType::setFiles(RefPtr<FileList>&& files, RequestIcon shouldRequest
+@@ -348,7 +354,9 @@ void FileInputType::setFiles(RefPtr<FileList>&& files, RequestIcon shouldRequest
          pathsChanged = true;
      else {
          for (unsigned i = 0; i < length; ++i) {
@@ -2908,28 +2773,28 @@ index e582d1bc610c7794c4ad181511317d2378b9248b..4c6be4b94913a4649b33f1989def3433
                  break;
              }
 diff --git a/Source/WebCore/inspector/InspectorController.cpp b/Source/WebCore/inspector/InspectorController.cpp
-index 9cffa4217cecadfc6813da5fa1a92ec1ca9b8796..32da50b05bb8563e0ded48734451a8e9967e48af 100644
+index ee592715641d111078aec266c9b35c0eea9a6f48..bc403a764837abce3c7771c31c4909b6c0de211e 100644
 --- a/Source/WebCore/inspector/InspectorController.cpp
 +++ b/Source/WebCore/inspector/InspectorController.cpp
-@@ -290,6 +290,8 @@ void InspectorController::disconnectFrontend(FrontendChannel& frontendChannel)
+@@ -300,6 +300,8 @@ void InspectorController::disconnectFrontend(FrontendChannel& frontendChannel)
  
          // Unplug all instrumentations since they aren't needed now.
          InspectorInstrumentation::unregisterInstrumentingAgents(m_instrumentingAgents.get());
 +
-+        m_pauseWhenShown = false;
++        m_pauseOnStart = PauseCondition::DONT_PAUSE;
      }
  
      m_inspectorClient->frontendCountChanged(m_frontendRouter->frontendCount());
-@@ -309,6 +311,8 @@ void InspectorController::disconnectAllFrontends()
+@@ -319,6 +321,8 @@ void InspectorController::disconnectAllFrontends()
      // The frontend should call setInspectorFrontendClient(nullptr) under closeWindow().
      ASSERT(!m_inspectorFrontendClient);
  
-+    m_pauseWhenShown = false;
++    m_pauseOnStart = PauseCondition::DONT_PAUSE;
 +
      if (!m_frontendRouter->hasFrontends())
          return;
  
-@@ -397,8 +401,8 @@ void InspectorController::inspect(Node* node)
+@@ -402,8 +406,8 @@ void InspectorController::inspect(Node* node)
      if (!enabled())
          return;
  
@@ -2940,25 +2805,35 @@ index 9cffa4217cecadfc6813da5fa1a92ec1ca9b8796..32da50b05bb8563e0ded48734451a8e9
  
      ensureDOMAgent().inspect(node);
  }
-@@ -541,4 +545,24 @@ void InspectorController::didComposite(LocalFrame& frame)
+@@ -546,4 +550,34 @@ void InspectorController::didComposite(LocalFrame& frame)
      InspectorInstrumentation::didComposite(frame);
  }
  
-+void InspectorController::pauseWhenShown()
++void InspectorController::pauseOnStart(PauseCondition condition)
 +{
-+    m_pauseWhenShown = true;
++    m_pauseOnStart = condition;
 +}
 +
 +void InspectorController::resumeIfPausedInNewWindow()
 +{
-+    m_pauseWhenShown = false;
++    m_pauseOnStart = PauseCondition::DONT_PAUSE;
 +}
 +
-+void InspectorController::didShowNewWindow()
++void InspectorController::didFinishPageCreation()
 +{
-+    if (!m_pauseWhenShown)
-+        return;
-+    while (m_pauseWhenShown) {
++    if (m_pauseOnStart == PauseCondition::WHEN_CREATION_FINISHED)
++        runLoopWhilePaused();
++}
++
++void InspectorController::didShowPage()
++{
++    if (m_pauseOnStart == PauseCondition::WHEN_SHOWN)
++        runLoopWhilePaused();
++}
++
++void InspectorController::runLoopWhilePaused()
++{
++    while (m_pauseOnStart != PauseCondition::DONT_PAUSE) {
 +        if (RunLoop::cycle() == RunLoop::CycleResult::Stop)
 +            break;
 +    }
@@ -2966,25 +2841,35 @@ index 9cffa4217cecadfc6813da5fa1a92ec1ca9b8796..32da50b05bb8563e0ded48734451a8e9
 +
  } // namespace WebCore
 diff --git a/Source/WebCore/inspector/InspectorController.h b/Source/WebCore/inspector/InspectorController.h
-index 41cb9b8d298fbb4cb833346015fbf67c78577dbd..fa1b489eadfc5469bfeec6a35336ffa7fba2c8c1 100644
+index 4f5c1e836876710a554455ec53733f72db63de58..774c4a66af84664a7a83ba0790d147f7bbb4236a 100644
 --- a/Source/WebCore/inspector/InspectorController.h
 +++ b/Source/WebCore/inspector/InspectorController.h
-@@ -103,6 +103,10 @@ public:
+@@ -106,6 +106,12 @@ public:
      WEBCORE_EXPORT void willComposite(LocalFrame&);
      WEBCORE_EXPORT void didComposite(LocalFrame&);
  
-+    WEBCORE_EXPORT void pauseWhenShown();
++    enum class PauseCondition { DONT_PAUSE, WHEN_SHOWN, WHEN_CREATION_FINISHED };
++    WEBCORE_EXPORT void pauseOnStart(PauseCondition);
 +    WEBCORE_EXPORT void resumeIfPausedInNewWindow();
-+    WEBCORE_EXPORT void didShowNewWindow();
++    WEBCORE_EXPORT void didShowPage();
++    WEBCORE_EXPORT void didFinishPageCreation();
 +
      // Testing support.
-     WEBCORE_EXPORT bool isUnderTest() const;
+     bool isUnderTest() const { return m_isUnderTest; }
      void setIsUnderTest(bool isUnderTest) { m_isUnderTest = isUnderTest; }
-@@ -156,6 +160,7 @@ private:
+@@ -136,6 +142,7 @@ private:
+ 
+     PageAgentContext pageAgentContext();
+     void createLazyAgents();
++    void runLoopWhilePaused();
+ 
+     WeakRef<Page> m_page;
+     Ref<InstrumentingAgents> m_instrumentingAgents;
+@@ -159,6 +166,7 @@ private:
      bool m_isAutomaticInspection { false };
      bool m_pauseAfterInitialization = { false };
      bool m_didCreateLazyAgents { false };
-+    bool m_pauseWhenShown { false };
++    PauseCondition m_pauseOnStart { PauseCondition::DONT_PAUSE };
  };
  
  } // namespace WebCore
@@ -3509,7 +3394,7 @@ index c028341e84e59a6b1b16107fd74feb21f70b12ab..d385418ac34e8f315f201801a2c65226
 +
  }
 diff --git a/Source/WebCore/inspector/agents/InspectorDOMAgent.cpp b/Source/WebCore/inspector/agents/InspectorDOMAgent.cpp
-index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f9b17ae3f 100644
+index 418700e6fc6432afb3b5091d12ced07a263cccea..a160505c5f419566d2ad83d62f368614dec16ea2 100644
 --- a/Source/WebCore/inspector/agents/InspectorDOMAgent.cpp
 +++ b/Source/WebCore/inspector/agents/InspectorDOMAgent.cpp
 @@ -55,6 +55,7 @@
@@ -3570,7 +3455,7 @@ index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f
  }
  
  static Color parseOptionalConfigColor(const String& fieldName, JSON::Object& configObject)
-@@ -196,6 +205,20 @@ static bool parseQuad(Ref<JSON::Array>&& quadArray, FloatQuad* quad)
+@@ -195,6 +204,20 @@ static bool parseQuad(Ref<JSON::Array>&& quadArray, FloatQuad* quad)
      return true;
  }
  
@@ -3588,10 +3473,10 @@ index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f
 +        renderer->absoluteQuads(quads);
 +}
 +
- class RevalidateStyleAttributeTask {
+ class RevalidateStyleAttributeTask final : public CanMakeCheckedPtr<RevalidateStyleAttributeTask> {
      WTF_MAKE_TZONE_ALLOCATED_INLINE(RevalidateStyleAttributeTask);
- public:
-@@ -470,6 +493,20 @@ Node* InspectorDOMAgent::assertNode(Inspector::Protocol::ErrorString& errorStrin
+     WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RevalidateStyleAttributeTask);
+@@ -476,6 +499,20 @@ Node* InspectorDOMAgent::assertNode(Inspector::Protocol::ErrorString& errorStrin
      return node.get();
  }
  
@@ -3612,7 +3497,7 @@ index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f
  Document* InspectorDOMAgent::assertDocument(Inspector::Protocol::ErrorString& errorString, Inspector::Protocol::DOM::NodeId nodeId)
  {
      RefPtr node = assertNode(errorString, nodeId);
-@@ -1544,16 +1581,7 @@ Inspector::Protocol::ErrorStringOr<void> InspectorDOMAgent::highlightNode(std::o
+@@ -1550,16 +1587,7 @@ Inspector::Protocol::ErrorStringOr<void> InspectorDOMAgent::highlightNode(std::o
  Inspector::Protocol::ErrorStringOr<void> InspectorDOMAgent::highlightNode(std::optional<Inspector::Protocol::DOM::NodeId>&& nodeId, const Inspector::Protocol::Runtime::RemoteObjectId& objectId, Ref<JSON::Object>&& highlightInspectorObject, RefPtr<JSON::Object>&& gridOverlayInspectorObject, RefPtr<JSON::Object>&& flexOverlayInspectorObject, std::optional<bool>&& showRulers)
  {
      Inspector::Protocol::ErrorString errorString;
@@ -3630,7 +3515,7 @@ index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f
      if (!node)
          return makeUnexpected(errorString);
  
-@@ -1808,15 +1836,155 @@ Inspector::Protocol::ErrorStringOr<void> InspectorDOMAgent::setInspectedNode(Ins
+@@ -1814,15 +1842,155 @@ Inspector::Protocol::ErrorStringOr<void> InspectorDOMAgent::setInspectedNode(Ins
      return { };
  }
  
@@ -3789,7 +3674,7 @@ index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f
      if (!object)
          return makeUnexpected("Missing injected script for given nodeId"_s);
  
-@@ -3082,7 +3250,7 @@ Inspector::Protocol::ErrorStringOr<Inspector::Protocol::DOM::NodeId> InspectorDO
+@@ -3088,7 +3256,7 @@ Inspector::Protocol::ErrorStringOr<Inspector::Protocol::DOM::NodeId> InspectorDO
      return makeUnexpected("Missing node for given path"_s);
  }
  
@@ -3798,7 +3683,7 @@ index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f
  {
      Document* document = &node->document();
      if (auto* templateHost = document->templateDocumentHost())
-@@ -3091,12 +3259,18 @@ RefPtr<Inspector::Protocol::Runtime::RemoteObject> InspectorDOMAgent::resolveNod
+@@ -3097,12 +3265,18 @@ RefPtr<Inspector::Protocol::Runtime::RemoteObject> InspectorDOMAgent::resolveNod
      if (!frame)
          return nullptr;
  
@@ -3820,7 +3705,7 @@ index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f
  }
  
  Node* InspectorDOMAgent::scriptValueAsNode(JSC::JSValue value)
-@@ -3204,4 +3378,89 @@ Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::DOM::MediaStats>> In
+@@ -3210,4 +3384,89 @@ Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::DOM::MediaStats>> In
  #endif
  }
  
@@ -3911,10 +3796,10 @@ index f2d47e0b0a15f48600bb6edd10430073ea60d9ee..20ee16a8c858599340ae33869baa188f
 +
  } // namespace WebCore
 diff --git a/Source/WebCore/inspector/agents/InspectorDOMAgent.h b/Source/WebCore/inspector/agents/InspectorDOMAgent.h
-index 978176d20859bf70ce8e44acbb052ceca9463b06..44fd236a64a05290c9f3cbf0b17398f74c711d3b 100644
+index ab0499c5e381855f55fa89227f4da05c7bcf40b1..e506a903ba60173b47135d5b18cfa0d3cdd8783e 100644
 --- a/Source/WebCore/inspector/agents/InspectorDOMAgent.h
 +++ b/Source/WebCore/inspector/agents/InspectorDOMAgent.h
-@@ -58,6 +58,7 @@ namespace WebCore {
+@@ -59,6 +59,7 @@ namespace WebCore {
  
  class AXCoreObject;
  class CharacterData;
@@ -3922,7 +3807,7 @@ index 978176d20859bf70ce8e44acbb052ceca9463b06..44fd236a64a05290c9f3cbf0b17398f7
  class DOMEditor;
  class Document;
  class Element;
-@@ -92,6 +93,7 @@ public:
+@@ -94,6 +95,7 @@ public:
      static String toErrorString(Exception&&);
  
      static String documentURLString(Document*);
@@ -3930,7 +3815,7 @@ index 978176d20859bf70ce8e44acbb052ceca9463b06..44fd236a64a05290c9f3cbf0b17398f7
  
      // We represent embedded doms as a part of the same hierarchy. Hence we treat children of frame owners differently.
      // We also skip whitespace text nodes conditionally. Following methods encapsulate these specifics.
-@@ -135,7 +137,7 @@ public:
+@@ -137,7 +139,7 @@ public:
      Inspector::Protocol::ErrorStringOr<std::tuple<String /* searchId */, int /* resultCount */>> performSearch(const String& query, RefPtr<JSON::Array>&& nodeIds, std::optional<bool>&& caseSensitive);
      Inspector::Protocol::ErrorStringOr<Ref<JSON::ArrayOf<Inspector::Protocol::DOM::NodeId>>> getSearchResults(const String& searchId, int fromIndex, int toIndex);
      Inspector::Protocol::ErrorStringOr<void> discardSearchResults(const String& searchId);
@@ -3939,7 +3824,7 @@ index 978176d20859bf70ce8e44acbb052ceca9463b06..44fd236a64a05290c9f3cbf0b17398f7
      Inspector::Protocol::ErrorStringOr<Ref<JSON::ArrayOf<String>>> getAttributes(Inspector::Protocol::DOM::NodeId);
  #if PLATFORM(IOS_FAMILY)
      Inspector::Protocol::ErrorStringOr<void> setInspectModeEnabled(bool, RefPtr<JSON::Object>&& highlightConfig, RefPtr<JSON::Object>&& gridOverlayConfig, RefPtr<JSON::Object>&& flexOverlayConfig);
-@@ -172,6 +174,10 @@ public:
+@@ -174,6 +176,10 @@ public:
      Inspector::Protocol::ErrorStringOr<void> setInspectedNode(Inspector::Protocol::DOM::NodeId);
      Inspector::Protocol::ErrorStringOr<void> setAllowEditingUserAgentShadowTrees(bool);
      Inspector::Protocol::ErrorStringOr<Ref<Inspector::Protocol::DOM::MediaStats>> getMediaStats(Inspector::Protocol::DOM::NodeId);
@@ -3950,7 +3835,7 @@ index 978176d20859bf70ce8e44acbb052ceca9463b06..44fd236a64a05290c9f3cbf0b17398f7
  
      // InspectorInstrumentation
      Inspector::Protocol::DOM::NodeId identifierForNode(Node&);
-@@ -213,7 +219,7 @@ public:
+@@ -215,7 +221,7 @@ public:
      Node* nodeForId(Inspector::Protocol::DOM::NodeId);
      Inspector::Protocol::DOM::NodeId boundNodeId(const Node*);
  
@@ -3959,7 +3844,7 @@ index 978176d20859bf70ce8e44acbb052ceca9463b06..44fd236a64a05290c9f3cbf0b17398f7
      bool handleMousePress();
      void mouseDidMoveOverElement(const HitTestResult&, OptionSet<PlatformEventModifier>);
      void inspect(Node*);
-@@ -225,12 +231,15 @@ public:
+@@ -227,12 +233,15 @@ public:
      void reset();
  
      Node* assertNode(Inspector::Protocol::ErrorString&, Inspector::Protocol::DOM::NodeId);
@@ -3975,7 +3860,7 @@ index 978176d20859bf70ce8e44acbb052ceca9463b06..44fd236a64a05290c9f3cbf0b17398f7
  private:
  #if ENABLE(VIDEO)
      void mediaMetricsTimerFired();
-@@ -260,7 +269,6 @@ private:
+@@ -262,7 +271,6 @@ private:
      void processAccessibilityChildren(AXCoreObject&, JSON::ArrayOf<Inspector::Protocol::DOM::NodeId>&);
      
      Node* nodeForPath(const String& path);
@@ -3984,7 +3869,7 @@ index 978176d20859bf70ce8e44acbb052ceca9463b06..44fd236a64a05290c9f3cbf0b17398f7
      void discardBindings();
  
 diff --git a/Source/WebCore/inspector/agents/InspectorNetworkAgent.cpp b/Source/WebCore/inspector/agents/InspectorNetworkAgent.cpp
-index adbedee377dad747f03b98cfdcf719b4283e51b2..475365f50feeb28354fa3e86ff847a6fd65c8a21 100644
+index fb89241329b3d1c4ae05c985070b27f2c360ccf6..442a3d263b6ec7e72ff60ec0d3507d96ed5642eb 100644
 --- a/Source/WebCore/inspector/agents/InspectorNetworkAgent.cpp
 +++ b/Source/WebCore/inspector/agents/InspectorNetworkAgent.cpp
 @@ -59,6 +59,7 @@
@@ -4140,13 +4025,14 @@ index eda400879afb10b687fcbb317c9fdbb3be9c94cd..f3a382c44b53e6b1507fc046e22bff68
  
  } // namespace WebCore
 diff --git a/Source/WebCore/inspector/agents/InspectorPageAgent.cpp b/Source/WebCore/inspector/agents/InspectorPageAgent.cpp
-index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb98c6cc8fb 100644
+index 4393f2d882d6fc829ce69115e6f5e6db93eee1a6..9e58595296aaa3770ad660515e362c7045ad6082 100644
 --- a/Source/WebCore/inspector/agents/InspectorPageAgent.cpp
 +++ b/Source/WebCore/inspector/agents/InspectorPageAgent.cpp
-@@ -32,19 +32,26 @@
+@@ -32,19 +32,27 @@
  #include "config.h"
  #include "InspectorPageAgent.h"
  
++#include "AXCoreObject.h"
 +#include "AXObjectCache.h"
 +#include "BackForwardController.h"
  #include "CachedResource.h"
@@ -4170,11 +4056,9 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  #include "HTMLNames.h"
  #include "ImageBuffer.h"
  #include "InspectorClient.h"
-@@ -55,10 +62,13 @@
- #include "LocalFrame.h"
- #include "LocalFrameView.h"
+@@ -57,8 +65,12 @@
  #include "MIMETypeRegistry.h"
--#include "MemoryCache.h"
+ #include "MemoryCache.h"
  #include "Page.h"
 +#include "PageRuntimeAgent.h"
 +#include "PlatformScreen.h"
@@ -4185,7 +4069,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  #include "ScriptController.h"
  #include "ScriptSourceCode.h"
  #include "SecurityOrigin.h"
-@@ -66,15 +76,23 @@
+@@ -66,14 +78,23 @@
  #include "StyleScope.h"
  #include "Theme.h"
  #include <pal/text/TextEncoding.h>
@@ -4205,24 +4089,23 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  #include <wtf/Stopwatch.h>
  #include <wtf/TZoneMallocInlines.h>
  #include <wtf/text/Base64.h>
--#include <wtf/text/StringBuilder.h>
 +#include <wtf/text/MakeString.h>
+ #include <wtf/text/StringBuilder.h>
  
  #if ENABLE(APPLICATION_MANIFEST)
- #include "CachedApplicationManifest.h"
-@@ -95,6 +113,11 @@ using namespace Inspector;
+@@ -95,6 +116,11 @@ using namespace Inspector;
  
  WTF_MAKE_TZONE_ALLOCATED_IMPL(InspectorPageAgent);
  
-+static HashMap<String, Ref<DOMWrapperWorld>>& createdUserWorlds() {
-+    static NeverDestroyed<HashMap<String, Ref<DOMWrapperWorld>>> nameToWorld;
++static UncheckedKeyHashMap<String, Ref<DOMWrapperWorld>>& createdUserWorlds() {
++    static NeverDestroyed<UncheckedKeyHashMap<String, Ref<DOMWrapperWorld>>> nameToWorld;
 +    return nameToWorld;
 +}
 +
  static bool decodeBuffer(std::span<const uint8_t> buffer, const String& textEncodingName, String* result)
  {
      if (buffer.data()) {
-@@ -341,6 +364,7 @@ InspectorPageAgent::InspectorPageAgent(PageAgentContext& context, InspectorClien
+@@ -347,6 +373,7 @@ InspectorPageAgent::InspectorPageAgent(PageAgentContext& context, InspectorClien
      , m_frontendDispatcher(makeUnique<Inspector::PageFrontendDispatcher>(context.frontendRouter))
      , m_backendDispatcher(Inspector::PageBackendDispatcher::create(context.backendDispatcher, this))
      , m_inspectedPage(context.inspectedPage)
@@ -4230,7 +4113,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
      , m_client(client)
      , m_overlay(overlay)
  {
-@@ -370,12 +394,20 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::enable()
+@@ -376,12 +403,20 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::enable()
  
      defaultUserPreferencesDidChange();
  
@@ -4251,7 +4134,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  
      setShowPaintRects(false);
  #if !PLATFORM(IOS_FAMILY)
-@@ -427,6 +459,22 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::reload(std::optiona
+@@ -434,6 +469,22 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::reload(std::optiona
      return { };
  }
  
@@ -4274,7 +4157,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::navigate(const String& url)
  {
      auto* localMainFrame = dynamicDowncast<LocalFrame>(m_inspectedPage.mainFrame());
-@@ -450,6 +498,13 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideUserAgent(c
+@@ -457,6 +508,13 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideUserAgent(c
      return { };
  }
  
@@ -4288,7 +4171,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideSetting(Inspector::Protocol::Page::Setting setting, std::optional<bool>&& value)
  {
      auto& inspectedPageSettings = m_inspectedPage.settings();
-@@ -463,6 +518,12 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideSetting(Ins
+@@ -470,6 +528,12 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideSetting(Ins
          inspectedPageSettings.setAuthorAndUserStylesEnabledInspectorOverride(value);
          return { };
  
@@ -4301,8 +4184,8 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
      case Inspector::Protocol::Page::Setting::ICECandidateFilteringEnabled:
          inspectedPageSettings.setICECandidateFilteringEnabledInspectorOverride(value);
          return { };
-@@ -488,6 +549,38 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideSetting(Ins
-         inspectedPageSettings.setNeedsSiteSpecificQuirksInspectorOverride(value);
+@@ -496,6 +560,45 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideSetting(Ins
+         m_client->setDeveloperPreferenceOverride(InspectorClient::DeveloperPreference::NeedsSiteSpecificQuirks, value);
          return { };
  
 +#if ENABLE(NOTIFICATIONS)
@@ -4331,6 +4214,13 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
 +#endif
 +        return { };
 +
++    case Protocol::Page::Setting::FixedBackgroundsPaintRelativeToDocument:
++        // Enable this setting similar to iOS to ensure scrolling works with
++        // `background-attachment: fixed`.
++        // See https://github.com/microsoft/playwright/issues/31551.
++        inspectedPageSettings.setFixedBackgroundsPaintRelativeToDocument(value.value_or(false));
++        return { };
++
 +#if ENABLE(POINTER_LOCK)
 +    case Protocol::Page::Setting::PointerLockEnabled:
 +        inspectedPageSettings.setPointerLockEnabled(value.value_or(false));
@@ -4340,7 +4230,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
      case Inspector::Protocol::Page::Setting::ScriptEnabled:
          inspectedPageSettings.setScriptEnabledInspectorOverride(value);
          return { };
-@@ -500,6 +593,12 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideSetting(Ins
+@@ -508,6 +611,12 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::overrideSetting(Ins
          inspectedPageSettings.setShowRepaintCounterInspectorOverride(value);
          return { };
  
@@ -4353,7 +4243,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
      case Inspector::Protocol::Page::Setting::WebSecurityEnabled:
          inspectedPageSettings.setWebSecurityEnabledInspectorOverride(value);
          return { };
-@@ -900,15 +999,16 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::setShowPaintRects(b
+@@ -908,15 +1017,16 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::setShowPaintRects(b
      return { };
  }
  
@@ -4375,7 +4265,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  }
  
  void InspectorPageAgent::frameNavigated(LocalFrame& frame)
-@@ -916,13 +1016,38 @@ void InspectorPageAgent::frameNavigated(LocalFrame& frame)
+@@ -924,13 +1034,38 @@ void InspectorPageAgent::frameNavigated(LocalFrame& frame)
      m_frontendDispatcher->frameNavigated(buildObjectForFrame(&frame));
  }
  
@@ -4395,7 +4285,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
 +
 +    String processIDString = frameID.left(dotPos);
 +    uint64_t pid = strtoull(processIDString.ascii().data(), 0, 10);
-+    auto processID = LegacyNullableObjectIdentifier<WebCore::ProcessIdentifierType>(pid);
++    auto processID = ObjectIdentifier<WebCore::ProcessIdentifierType>(pid);
 +    String frameIDString = frameID.substring(dotPos + 1);
 +    uint64_t frameIDNumber = strtoull(frameIDString.ascii().data(), 0, 10);
 +    return WebCore::FrameIdentifier {
@@ -4417,7 +4307,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  }
  
  Frame* InspectorPageAgent::frameForId(const Inspector::Protocol::Network::FrameId& frameId)
-@@ -934,20 +1059,21 @@ String InspectorPageAgent::frameId(Frame* frame)
+@@ -942,20 +1077,21 @@ String InspectorPageAgent::frameId(Frame* frame)
  {
      if (!frame)
          return emptyString();
@@ -4447,7 +4337,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  }
  
  LocalFrame* InspectorPageAgent::assertFrame(Inspector::Protocol::ErrorString& errorString, const Inspector::Protocol::Network::FrameId& frameId)
-@@ -958,11 +1084,6 @@ LocalFrame* InspectorPageAgent::assertFrame(Inspector::Protocol::ErrorString& er
+@@ -966,11 +1102,6 @@ LocalFrame* InspectorPageAgent::assertFrame(Inspector::Protocol::ErrorString& er
      return frame;
  }
  
@@ -4459,7 +4349,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  void InspectorPageAgent::frameStartedLoading(LocalFrame& frame)
  {
      m_frontendDispatcher->frameStartedLoading(frameId(&frame));
-@@ -973,9 +1094,9 @@ void InspectorPageAgent::frameStoppedLoading(LocalFrame& frame)
+@@ -981,9 +1112,9 @@ void InspectorPageAgent::frameStoppedLoading(LocalFrame& frame)
      m_frontendDispatcher->frameStoppedLoading(frameId(&frame));
  }
  
@@ -4471,7 +4361,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  }
  
  void InspectorPageAgent::frameClearedScheduledNavigation(Frame& frame)
-@@ -1022,6 +1143,12 @@ void InspectorPageAgent::defaultUserPreferencesDidChange()
+@@ -1030,6 +1161,12 @@ void InspectorPageAgent::defaultUserPreferencesDidChange()
      m_frontendDispatcher->defaultUserPreferencesDidChange(WTFMove(defaultUserPreferences));
  }
  
@@ -4484,7 +4374,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  #if ENABLE(DARK_MODE_CSS) || HAVE(OS_DARK_MODE_SUPPORT)
  void InspectorPageAgent::defaultAppearanceDidChange()
  {
-@@ -1035,6 +1162,9 @@ void InspectorPageAgent::didClearWindowObjectInWorld(LocalFrame& frame, DOMWrapp
+@@ -1043,6 +1180,9 @@ void InspectorPageAgent::didClearWindowObjectInWorld(LocalFrame& frame, DOMWrapp
          return;
  
      if (m_bootstrapScript.isEmpty())
@@ -4494,8 +4384,8 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
          return;
  
      frame.script().evaluateIgnoringException(ScriptSourceCode(m_bootstrapScript, JSC::SourceTaintedOrigin::Untainted, URL { "web-inspector://bootstrap.js"_str }));
-@@ -1082,6 +1212,51 @@ void InspectorPageAgent::didRecalculateStyle()
-     m_overlay->update();
+@@ -1090,6 +1230,51 @@ void InspectorPageAgent::didRecalculateStyle()
+     protectedOverlay()->update();
  }
  
 +void InspectorPageAgent::runOpenPanel(HTMLInputElement* element, bool* intercept)
@@ -4546,7 +4436,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  Ref<Inspector::Protocol::Page::Frame> InspectorPageAgent::buildObjectForFrame(LocalFrame* frame)
  {
      ASSERT_ARG(frame, frame);
-@@ -1179,6 +1354,12 @@ void InspectorPageAgent::applyUserAgentOverride(String& userAgent)
+@@ -1187,6 +1372,12 @@ void InspectorPageAgent::applyUserAgentOverride(String& userAgent)
          userAgent = m_userAgentOverride;
  }
  
@@ -4559,7 +4449,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  void InspectorPageAgent::applyEmulatedMedia(AtomString& media)
  {
      if (!m_emulatedMedia.isEmpty())
-@@ -1206,11 +1387,13 @@ Inspector::Protocol::ErrorStringOr<String> InspectorPageAgent::snapshotNode(Insp
+@@ -1214,11 +1405,13 @@ Inspector::Protocol::ErrorStringOr<String> InspectorPageAgent::snapshotNode(Insp
      return snapshot->toDataURL("image/png"_s, std::nullopt, PreserveResolution::Yes);
  }
  
@@ -4574,7 +4464,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  
      IntRect rectangle(x, y, width, height);
      auto* localMainFrame = dynamicDowncast<LocalFrame>(m_inspectedPage.mainFrame());
-@@ -1224,6 +1407,43 @@ Inspector::Protocol::ErrorStringOr<String> InspectorPageAgent::snapshotRect(int
+@@ -1232,6 +1425,43 @@ Inspector::Protocol::ErrorStringOr<String> InspectorPageAgent::snapshotRect(int
      return snapshot->toDataURL("image/png"_s, std::nullopt, PreserveResolution::Yes);
  }
  
@@ -4610,7 +4500,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
 +Protocol::ErrorStringOr<void> InspectorPageAgent::setTouchEmulationEnabled(bool enabled)
 +{
 +  setScreenHasTouchDeviceOverride(enabled);
-+  m_inspectedPage.settings().setTouchEventsEnabled(enabled);
++  m_inspectedPage.settings().setTouchEventDOMAttributesEnabled(enabled);
 +  return { };
 +}
 +
@@ -4618,7 +4508,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  #if ENABLE(WEB_ARCHIVE) && USE(CF)
  Inspector::Protocol::ErrorStringOr<String> InspectorPageAgent::archive()
  {
-@@ -1240,7 +1460,6 @@ Inspector::Protocol::ErrorStringOr<String> InspectorPageAgent::archive()
+@@ -1248,7 +1478,6 @@ Inspector::Protocol::ErrorStringOr<String> InspectorPageAgent::archive()
  }
  #endif
  
@@ -4626,7 +4516,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::setScreenSizeOverride(std::optional<int>&& width, std::optional<int>&& height)
  {
      if (width.has_value() != height.has_value())
-@@ -1258,6 +1477,508 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::setScreenSizeOverri
+@@ -1266,6 +1495,498 @@ Inspector::Protocol::ErrorStringOr<void> InspectorPageAgent::setScreenSizeOverri
      localMainFrame->setOverrideScreenSize(FloatSize(width.value_or(0), height.value_or(0)));
      return { };
  }
@@ -4759,8 +4649,6 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
 +            return "ImageMap"_s;
 +        case AccessibilityRole::ImageMapLink:
 +            return "ImageMapLink"_s;
-+        case AccessibilityRole::Incrementor:
-+            return "Incrementor"_s;
 +        case AccessibilityRole::Insertion:
 +            return "Insertion"_s;
 +        case AccessibilityRole::Label:
@@ -4805,8 +4693,6 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
 +            return "Menu"_s;
 +        case AccessibilityRole::MenuBar:
 +            return "MenuBar"_s;
-+        case AccessibilityRole::MenuButton:
-+            return "MenuButton"_s;
 +        case AccessibilityRole::MenuItem:
 +            return "MenuItem"_s;
 +        case AccessibilityRole::MenuItemCheckbox:
@@ -4843,14 +4729,8 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
 +            return "Row"_s;
 +        case AccessibilityRole::RowGroup:
 +            return "RowGroup"_s;
-+        case AccessibilityRole::RubyBase:
-+            return "RubyBase"_s;
-+        case AccessibilityRole::RubyBlock:
-+            return "RubyBlock"_s;
 +        case AccessibilityRole::RubyInline:
 +            return "RubyInline"_s;
-+        case AccessibilityRole::RubyRun:
-+            return "RubyRun"_s;
 +        case AccessibilityRole::RubyText:
 +            return "RubyText"_s;
 +        case AccessibilityRole::ScrollArea:
@@ -4939,7 +4819,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
 +    return "Unknown"_s;
 +}
 +
-+static Ref<Inspector::Protocol::Page::AXNode> snapshotForAXObject(RefPtr<AXCoreObject> axObject, Node* nodeToFind)
++static Ref<Inspector::Protocol::Page::AXNode> snapshotForAXObject(WTF::RefPtr<WebCore::AXCoreObject> axObject, Node* nodeToFind)
 +{
 +    auto axNode = Inspector::Protocol::Page::AXNode::create()
 +        .setRole(roleFromObject(axObject))
@@ -5029,7 +4909,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
 +    if (!axObject->children().isEmpty()) {
 +        Ref<JSON::ArrayOf<Inspector::Protocol::Page::AXNode>> children = JSON::ArrayOf<Inspector::Protocol::Page::AXNode>::create();
 +        for (auto& childObject : axObject->children())
-+            children->addItem(snapshotForAXObject(childObject, nodeToFind));
++            children->addItem(snapshotForAXObject(childObject.ptr(), nodeToFind));
 +        axNode->setChildren(WTFMove(children));
 +    }
 +    return axNode;
@@ -5137,7 +5017,7 @@ index 85f9e83e59abc5a1089a4f2b56f0dab99437d948..22843714b46b158faa929be669638cb9
  
  } // namespace WebCore
 diff --git a/Source/WebCore/inspector/agents/InspectorPageAgent.h b/Source/WebCore/inspector/agents/InspectorPageAgent.h
-index 4f78a536c4030b8065d189aacc378d56d3451198..8ffac8bf16c00543ab8cf410e603b06204357714 100644
+index dee4a5033bc6e948e301e9b681d82758c4e92689..6a3db5c90e798693ac3cd6547207713dfa947364 100644
 --- a/Source/WebCore/inspector/agents/InspectorPageAgent.h
 +++ b/Source/WebCore/inspector/agents/InspectorPageAgent.h
 @@ -32,8 +32,10 @@
@@ -5151,8 +5031,8 @@ index 4f78a536c4030b8065d189aacc378d56d3451198..8ffac8bf16c00543ab8cf410e603b062
  #include <JavaScriptCore/InspectorBackendDispatchers.h>
  #include <JavaScriptCore/InspectorFrontendDispatchers.h>
  #include <JavaScriptCore/InspectorProtocolObjects.h>
-@@ -42,11 +44,16 @@
- #include <wtf/TZoneMalloc.h>
+@@ -43,11 +45,16 @@
+ #include <wtf/WeakRef.h>
  #include <wtf/text/WTFString.h>
  
 +namespace Inspector {
@@ -5168,7 +5048,7 @@ index 4f78a536c4030b8065d189aacc378d56d3451198..8ffac8bf16c00543ab8cf410e603b062
  class InspectorClient;
  class InspectorOverlay;
  class LocalFrame;
-@@ -79,6 +86,8 @@ public:
+@@ -80,6 +87,8 @@ public:
          OtherResource,
      };
  
@@ -5177,7 +5057,7 @@ index 4f78a536c4030b8065d189aacc378d56d3451198..8ffac8bf16c00543ab8cf410e603b062
      static bool sharedBufferContent(RefPtr<FragmentedSharedBuffer>&&, const String& textEncodingName, bool withBase64Encode, String* result);
      static Vector<CachedResource*> cachedResourcesForFrame(LocalFrame*);
      static void resourceContent(Inspector::Protocol::ErrorString&, LocalFrame*, const URL&, String* result, bool* base64Encoded);
-@@ -99,8 +108,11 @@ public:
+@@ -100,8 +109,11 @@ public:
      Inspector::Protocol::ErrorStringOr<void> enable();
      Inspector::Protocol::ErrorStringOr<void> disable();
      Inspector::Protocol::ErrorStringOr<void> reload(std::optional<bool>&& ignoreCache, std::optional<bool>&& revalidateAllResources);
@@ -5189,7 +5069,7 @@ index 4f78a536c4030b8065d189aacc378d56d3451198..8ffac8bf16c00543ab8cf410e603b062
      Inspector::Protocol::ErrorStringOr<void> overrideSetting(Inspector::Protocol::Page::Setting, std::optional<bool>&& value);
      Inspector::Protocol::ErrorStringOr<void> overrideUserPreference(Inspector::Protocol::Page::UserPreferenceName, std::optional<Inspector::Protocol::Page::UserPreferenceValue>&&);
      Inspector::Protocol::ErrorStringOr<Ref<JSON::ArrayOf<Inspector::Protocol::Page::Cookie>>> getCookies();
-@@ -116,45 +128,65 @@ public:
+@@ -117,45 +129,65 @@ public:
  #endif
      Inspector::Protocol::ErrorStringOr<void> setShowPaintRects(bool);
      Inspector::Protocol::ErrorStringOr<void> setEmulatedMedia(const String&);
@@ -5260,19 +5140,19 @@ index 4f78a536c4030b8065d189aacc378d56d3451198..8ffac8bf16c00543ab8cf410e603b062
      double timestamp();
 +    void ensureUserWorldsExistInAllFrames(const Vector<DOMWrapperWorld*>&);
  
-     static bool mainResourceContent(LocalFrame*, bool withBase64Encode, String* result);
-     static bool dataContent(std::span<const uint8_t> data, const String& textEncodingName, bool withBase64Encode, String* result);
-@@ -170,17 +202,21 @@ private:
+     Ref<InspectorOverlay> protectedOverlay() const;
+ 
+@@ -173,17 +205,22 @@ private:
      RefPtr<Inspector::PageBackendDispatcher> m_backendDispatcher;
  
      Page& m_inspectedPage;
 +    Inspector::InjectedScriptManager& m_injectedScriptManager;
      InspectorClient* m_client { nullptr };
-     InspectorOverlay* m_overlay { nullptr };
+     WeakRef<InspectorOverlay> m_overlay;
  
 -    WeakHashMap<Frame, String> m_frameToIdentifier;
      MemoryCompactRobinHoodHashMap<String, WeakPtr<Frame>> m_identifierToFrame;
--    HashMap<DocumentLoader*, String> m_loaderToIdentifier;
+     HashMap<DocumentLoader*, String> m_loaderToIdentifier;
      String m_userAgentOverride;
 +    String m_platformOverride;
      AtomString m_emulatedMedia;
@@ -5452,18 +5332,18 @@ index b70ca7636463b9199bcbb21bfea055870ba33b34..25fdc23bfb71985fe1af04bddc360d11
  
  } // namespace WebCore
 diff --git a/Source/WebCore/loader/CookieJar.h b/Source/WebCore/loader/CookieJar.h
-index 2b0060e70df5765f37426eb32c98540dd3a51356..e4682fb4fad491c906ea4b5b1e98c0631e387a7b 100644
+index ae94a796b1d0c9fee05ec342cfa58b8a0248875b..c0b3bcdaca1f473cca7299db3de69329766daf0b 100644
 --- a/Source/WebCore/loader/CookieJar.h
 +++ b/Source/WebCore/loader/CookieJar.h
-@@ -46,6 +46,7 @@ struct CookieStoreGetOptions;
+@@ -47,6 +47,7 @@ struct CookieStoreGetOptions;
  class NetworkStorageSession;
  class StorageSessionProvider;
  struct SameSiteInfo;
 +class ResourceLoader;
  
- class WEBCORE_EXPORT CookieJar : public RefCounted<CookieJar>, public CanMakeWeakPtr<CookieJar> {
+ class WEBCORE_EXPORT CookieJar : public RefCountedAndCanMakeWeakPtr<CookieJar> {
  public:
-@@ -78,6 +79,9 @@ public:
+@@ -79,6 +80,9 @@ public:
      virtual void clearCache() { }
      virtual void clearCacheForHost(const String&) { }
  
@@ -5474,10 +5354,10 @@ index 2b0060e70df5765f37426eb32c98540dd3a51356..e4682fb4fad491c906ea4b5b1e98c063
  protected:
      static SameSiteInfo sameSiteInfo(const Document&, IsForDOMCookieAccess = IsForDOMCookieAccess::No);
 diff --git a/Source/WebCore/loader/DocumentLoader.cpp b/Source/WebCore/loader/DocumentLoader.cpp
-index 1d674f45b41aa4dbd9c864e7da1af9cef5d6d127..2a004184f256d909ca19de77913162adde5d8486 100644
+index ef8c9cbc1c786172081c9b04bdc55a65ae40593e..8eff311ff2b9e88cb484c01d935b97f23eec47ba 100644
 --- a/Source/WebCore/loader/DocumentLoader.cpp
 +++ b/Source/WebCore/loader/DocumentLoader.cpp
-@@ -769,8 +769,10 @@ void DocumentLoader::willSendRequest(ResourceRequest&& newRequest, const Resourc
+@@ -765,8 +765,10 @@ void DocumentLoader::willSendRequest(ResourceRequest&& newRequest, const Resourc
      if (!didReceiveRedirectResponse)
          return completionHandler(WTFMove(newRequest));
  
@@ -5488,7 +5368,7 @@ index 1d674f45b41aa4dbd9c864e7da1af9cef5d6d127..2a004184f256d909ca19de77913162ad
          switch (navigationPolicyDecision) {
          case NavigationPolicyDecision::IgnoreLoad:
          case NavigationPolicyDecision::LoadWillContinueInAnotherProcess:
-@@ -1538,11 +1540,17 @@ void DocumentLoader::detachFromFrame(LoadWillContinueInAnotherProcess loadWillCo
+@@ -1535,11 +1537,17 @@ void DocumentLoader::detachFromFrame(LoadWillContinueInAnotherProcess loadWillCo
      if (auto navigationID = std::exchange(m_navigationID, { }))
          m_frame->loader().client().documentLoaderDetached(*navigationID, loadWillContinueInAnotherProcess);
  
@@ -5509,23 +5389,23 @@ index 1d674f45b41aa4dbd9c864e7da1af9cef5d6d127..2a004184f256d909ca19de77913162ad
  {
      m_navigationID = navigationID;
 diff --git a/Source/WebCore/loader/DocumentLoader.h b/Source/WebCore/loader/DocumentLoader.h
-index ef3d4036774db95ef807ad01744f1a9ce715fd81..50d78b5c277d034b8455e2df6f3dbf3d8425ea29 100644
+index 710b76ba378d0242be7b9fb469203fcd9ec18252..23ebc0f38d5a5a19b23c748149fbbc8aa36059df 100644
 --- a/Source/WebCore/loader/DocumentLoader.h
 +++ b/Source/WebCore/loader/DocumentLoader.h
-@@ -217,6 +217,8 @@ public:
+@@ -218,6 +218,8 @@ public:
  
      WEBCORE_EXPORT virtual void detachFromFrame(LoadWillContinueInAnotherProcess);
  
 +    void replacedByFragmentNavigation(LocalFrame&);
 +
      WEBCORE_EXPORT FrameLoader* frameLoader() const;
-     CheckedPtr<FrameLoader> checkedFrameLoader() const;
+     RefPtr<FrameLoader> protectedFrameLoader() const;
      WEBCORE_EXPORT SubresourceLoader* mainResourceLoader() const;
 diff --git a/Source/WebCore/loader/FrameLoader.cpp b/Source/WebCore/loader/FrameLoader.cpp
-index 4061749da911827143c27b1db9c685a08c9bde6c..060da14ddac0bcf30f010ed9e65cc652b767a8bd 100644
+index b38b5938d46ef64d1736bc8b2eebd166d18983a9..0f315f7c0739ea210493a6d19520421c48c645d0 100644
 --- a/Source/WebCore/loader/FrameLoader.cpp
 +++ b/Source/WebCore/loader/FrameLoader.cpp
-@@ -1306,6 +1306,7 @@ void FrameLoader::loadInSameDocument(URL url, RefPtr<SerializedScriptValue> stat
+@@ -1323,6 +1323,7 @@ void FrameLoader::loadInSameDocument(URL url, RefPtr<SerializedScriptValue> stat
      }
  
      m_client->dispatchDidNavigateWithinPage();
@@ -5533,7 +5413,7 @@ index 4061749da911827143c27b1db9c685a08c9bde6c..060da14ddac0bcf30f010ed9e65cc652
  
      document->statePopped(stateObject ? stateObject.releaseNonNull() : SerializedScriptValue::nullValue());
      m_client->dispatchDidPopStateWithinPage();
-@@ -1828,6 +1829,7 @@ void FrameLoader::loadWithDocumentLoader(DocumentLoader* loader, FrameLoadType t
+@@ -1846,6 +1847,7 @@ void FrameLoader::loadWithDocumentLoader(DocumentLoader* loader, FrameLoadType t
      const String& httpMethod = loader->request().httpMethod();
  
      if (shouldPerformFragmentNavigation(isFormSubmission, httpMethod, policyChecker().loadType(), newURL)) {
@@ -5541,17 +5421,18 @@ index 4061749da911827143c27b1db9c685a08c9bde6c..060da14ddac0bcf30f010ed9e65cc652
  
          RefPtr oldDocumentLoader = m_documentLoader;
          NavigationAction action { frame->protectedDocument().releaseNonNull(), loader->request(), InitiatedByMainFrame::Unknown, loader->isRequestFromClientOrUserInput(), policyChecker().loadType(), isFormSubmission };
-@@ -1864,7 +1866,9 @@ void FrameLoader::loadWithDocumentLoader(DocumentLoader* loader, FrameLoadType t
+@@ -1882,8 +1884,10 @@ void FrameLoader::loadWithDocumentLoader(DocumentLoader* loader, FrameLoadType t
      }
  
      RELEASE_ASSERT(!isBackForwardLoadType(policyChecker().loadType()) || frame->history().provisionalItem());
 +    InspectorInstrumentation::willCheckNavigationPolicy(m_frame);
+     auto policyDecisionMode = loader->triggeringAction().isFromNavigationAPI() ? PolicyDecisionMode::Synchronous : PolicyDecisionMode::Asynchronous;
      policyChecker().checkNavigationPolicy(ResourceRequest(loader->request()), ResourceResponse { } /* redirectResponse */, loader, WTFMove(formState), [this, frame, allowNavigationToInvalidURL, completionHandler = completionHandlerCaller.release()] (const ResourceRequest& request, WeakPtr<FormState>&& weakFormState, NavigationPolicyDecision navigationPolicyDecision) mutable {
 +        InspectorInstrumentation::didCheckNavigationPolicy(m_frame, navigationPolicyDecision != NavigationPolicyDecision::ContinueLoad);
          continueLoadAfterNavigationPolicy(request, RefPtr { weakFormState.get() }.get(), navigationPolicyDecision, allowNavigationToInvalidURL);
          completionHandler();
-     }, PolicyDecisionMode::Asynchronous);
-@@ -3148,10 +3152,15 @@ String FrameLoader::userAgent(const URL& url) const
+     }, policyDecisionMode);
+@@ -3169,10 +3173,15 @@ String FrameLoader::userAgent(const URL& url) const
  
  String FrameLoader::navigatorPlatform() const
  {
@@ -5569,7 +5450,7 @@ index 4061749da911827143c27b1db9c685a08c9bde6c..060da14ddac0bcf30f010ed9e65cc652
  }
  
  void FrameLoader::dispatchOnloadEvents()
-@@ -3615,6 +3624,8 @@ void FrameLoader::receivedMainResourceError(const ResourceError& error, LoadWill
+@@ -3646,6 +3655,8 @@ void FrameLoader::receivedMainResourceError(const ResourceError& error, LoadWill
      checkCompleted();
      if (frame->page())
          checkLoadComplete(loadWillContinueInAnotherProcess);
@@ -5578,7 +5459,7 @@ index 4061749da911827143c27b1db9c685a08c9bde6c..060da14ddac0bcf30f010ed9e65cc652
  }
  
  void FrameLoader::continueFragmentScrollAfterNavigationPolicy(const ResourceRequest& request, const SecurityOrigin* requesterOrigin, bool shouldContinue, NavigationHistoryBehavior historyHandling)
-@@ -4499,9 +4510,6 @@ String FrameLoader::referrer() const
+@@ -4530,9 +4541,6 @@ String FrameLoader::referrer() const
  
  void FrameLoader::dispatchDidClearWindowObjectsInAllWorlds()
  {
@@ -5588,7 +5469,7 @@ index 4061749da911827143c27b1db9c685a08c9bde6c..060da14ddac0bcf30f010ed9e65cc652
      Vector<Ref<DOMWrapperWorld>> worlds;
      ScriptController::getAllWorlds(worlds);
      for (auto& world : worlds)
-@@ -4511,13 +4519,12 @@ void FrameLoader::dispatchDidClearWindowObjectsInAllWorlds()
+@@ -4542,13 +4550,12 @@ void FrameLoader::dispatchDidClearWindowObjectsInAllWorlds()
  void FrameLoader::dispatchDidClearWindowObjectInWorld(DOMWrapperWorld& world)
  {
      Ref frame = m_frame.get();
@@ -5621,10 +5502,10 @@ index 91340dc21042f545592b442bc42dbceed06219b2..f3591fe333761b10a25ddaf4a4f8d721
      virtual bool shouldPerformSecurityChecks() const { return false; }
      virtual bool havePerformedSecurityChecks(const ResourceResponse&) const { return false; }
 diff --git a/Source/WebCore/loader/NavigationScheduler.cpp b/Source/WebCore/loader/NavigationScheduler.cpp
-index f8dc5dbb8e4583bc8d595cee184adf58aa765c6c..8c2d54e5d2543b71a733e7356c99e3c1b7642341 100644
+index 6ca24eb3b82344b60b33298989857a68ecdc39cb..ca17da3fb6148a1789618f501f85069c1c9b9ead 100644
 --- a/Source/WebCore/loader/NavigationScheduler.cpp
 +++ b/Source/WebCore/loader/NavigationScheduler.cpp
-@@ -766,7 +766,7 @@ void NavigationScheduler::startTimer()
+@@ -812,7 +812,7 @@ void NavigationScheduler::startTimer()
  
      Seconds delay = 1_s * m_redirect->delay();
      m_timer.startOneShot(delay);
@@ -5633,20 +5514,8 @@ index f8dc5dbb8e4583bc8d595cee184adf58aa765c6c..8c2d54e5d2543b71a733e7356c99e3c1
      m_redirect->didStartTimer(frame, m_timer); // m_redirect may be null on return (e.g. the client canceled the load)
  }
  
-diff --git a/Source/WebCore/loader/PolicyChecker.cpp b/Source/WebCore/loader/PolicyChecker.cpp
-index 8f9d997be3da9d2374e1fb50d48c48cdc6542559..4aae7eef8933ddd6a4cae28bc4ef43d3567fda68 100644
---- a/Source/WebCore/loader/PolicyChecker.cpp
-+++ b/Source/WebCore/loader/PolicyChecker.cpp
-@@ -46,6 +46,7 @@
- #include "HTMLFrameOwnerElement.h"
- #include "HTMLPlugInElement.h"
- #include "HitTestResult.h"
-+#include "InspectorInstrumentation.h"
- #include "LocalDOMWindow.h"
- #include "LocalFrame.h"
- #include "LocalFrameLoaderClient.h"
 diff --git a/Source/WebCore/loader/ProgressTracker.cpp b/Source/WebCore/loader/ProgressTracker.cpp
-index b74c5258454b0df9f74aa8a5297674b733925685..b6c3999745368c7f7e2e6176bfca6dc09c49f539 100644
+index ac208c49bca32e5f2215d881733f2c11396bd18f..7ea80906fea17a592a00c63c8d810a53d893ae45 100644
 --- a/Source/WebCore/loader/ProgressTracker.cpp
 +++ b/Source/WebCore/loader/ProgressTracker.cpp
 @@ -161,6 +161,8 @@ void ProgressTracker::progressCompleted(LocalFrame& frame)
@@ -5661,17 +5530,17 @@ index b74c5258454b0df9f74aa8a5297674b733925685..b6c3999745368c7f7e2e6176bfca6dc0
 @@ -187,8 +189,6 @@ void ProgressTracker::finalProgressComplete()
      m_client->progressFinished(*frame);
      protectedPage()->progressFinished(*frame);
-     frame->checkedLoader()->loadProgressingStatusChanged();
+     frame->protectedLoader()->loadProgressingStatusChanged();
 -
 -    InspectorInstrumentation::frameStoppedLoading(*frame);
  }
  
  void ProgressTracker::incrementProgress(ResourceLoaderIdentifier identifier, const ResourceResponse& response)
 diff --git a/Source/WebCore/loader/cache/CachedResourceLoader.cpp b/Source/WebCore/loader/cache/CachedResourceLoader.cpp
-index 3d811dc807fe10e78221357f76e6851e5788b43e..a1bd9d168a1faa39bc8d122da5e3e8192eb392ce 100644
+index 3b4b56c0dc2845f6993cc1d60c65648be74b125f..f8ec6be1f5765b58ced741a348c62a82cf446d3c 100644
 --- a/Source/WebCore/loader/cache/CachedResourceLoader.cpp
 +++ b/Source/WebCore/loader/cache/CachedResourceLoader.cpp
-@@ -1136,8 +1136,11 @@ ResourceErrorOr<CachedResourceHandle<CachedResource>> CachedResourceLoader::requ
+@@ -1154,8 +1154,11 @@ ResourceErrorOr<CachedResourceHandle<CachedResource>> CachedResourceLoader::requ
  
      request.updateReferrerPolicy(document() ? document()->referrerPolicy() : ReferrerPolicy::Default);
  
@@ -5685,7 +5554,7 @@ index 3d811dc807fe10e78221357f76e6851e5788b43e..a1bd9d168a1faa39bc8d122da5e3e819
  
      if (RefPtr documentLoader = m_documentLoader.get()) {
          bool madeHTTPS { request.resourceRequest().wasSchemeOptimisticallyUpgraded() };
-@@ -1754,8 +1757,9 @@ Vector<Ref<SVGImage>> CachedResourceLoader::allCachedSVGImages() const
+@@ -1773,8 +1776,9 @@ Vector<Ref<SVGImage>> CachedResourceLoader::allCachedSVGImages() const
  
  ResourceErrorOr<CachedResourceHandle<CachedResource>> CachedResourceLoader::preload(CachedResource::Type type, CachedResourceRequest&& request)
  {
@@ -5698,10 +5567,10 @@ index 3d811dc807fe10e78221357f76e6851e5788b43e..a1bd9d168a1faa39bc8d122da5e3e819
      ASSERT(m_document);
      if (request.charset().isEmpty() && m_document && (type == CachedResource::Type::Script || type == CachedResource::Type::CSSStyleSheet))
 diff --git a/Source/WebCore/page/ChromeClient.h b/Source/WebCore/page/ChromeClient.h
-index bcc9390a5c7b00e0f3d41baea920453e7b3ac73a..07898280d090a78949876042a64103d4ead18d7f 100644
+index b7d2b467606fb5406769b1c49384aac7b41f7298..633dc036f990798a6d62bb0b50125c6cd5df44aa 100644
 --- a/Source/WebCore/page/ChromeClient.h
 +++ b/Source/WebCore/page/ChromeClient.h
-@@ -341,7 +341,7 @@ public:
+@@ -351,7 +351,7 @@ public:
  #endif
  
  #if ENABLE(ORIENTATION_EVENTS)
@@ -5711,10 +5580,10 @@ index bcc9390a5c7b00e0f3d41baea920453e7b3ac73a..07898280d090a78949876042a64103d4
  
  #if ENABLE(INPUT_TYPE_COLOR)
 diff --git a/Source/WebCore/page/EventHandler.cpp b/Source/WebCore/page/EventHandler.cpp
-index cedf16dffeceb7941de7eca75f6c6800ecacf06f..03296e2cc70e9bd4468ff6161a16378077b0f69c 100644
+index 7e2577a7e448e543a2c5a8fcdae04a72dc4076f0..99348d9bf3c65d2c732a80a652fe592084d8441c 100644
 --- a/Source/WebCore/page/EventHandler.cpp
 +++ b/Source/WebCore/page/EventHandler.cpp
-@@ -4372,6 +4372,12 @@ bool EventHandler::handleDrag(const MouseEventWithHitTestResults& event, CheckDr
+@@ -4398,6 +4398,12 @@ bool EventHandler::handleDrag(const MouseEventWithHitTestResults& event, CheckDr
      if (!document)
          return false;
  
@@ -5727,7 +5596,15 @@ index cedf16dffeceb7941de7eca75f6c6800ecacf06f..03296e2cc70e9bd4468ff6161a163780
      dragState().dataTransfer = DataTransfer::createForDrag(*document);
      auto hasNonDefaultPasteboardData = HasNonDefaultPasteboardData::No;
      
-@@ -5001,7 +5007,7 @@ HandleUserInputEventResult EventHandler::handleTouchEvent(const PlatformTouchEve
+@@ -4984,6 +4990,7 @@ static HitTestResult hitTestResultInFrame(LocalFrame* frame, const LayoutPoint&
+     return result;
+ }
+ 
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
+ HandleUserInputEventResult EventHandler::handleTouchEvent(const PlatformTouchEvent& event)
+ {
+     Ref frame = m_frame.get();
+@@ -5059,7 +5066,7 @@ HandleUserInputEventResult EventHandler::handleTouchEvent(const PlatformTouchEve
  
          // Increment the platform touch id by 1 to avoid storing a key of 0 in the hashmap.
          unsigned touchPointTargetKey = point.id() + 1;
@@ -5736,7 +5613,7 @@ index cedf16dffeceb7941de7eca75f6c6800ecacf06f..03296e2cc70e9bd4468ff6161a163780
          bool pointerCancelled = false;
  #endif
          RefPtr<EventTarget> touchTarget;
-@@ -5048,7 +5054,7 @@ HandleUserInputEventResult EventHandler::handleTouchEvent(const PlatformTouchEve
+@@ -5106,7 +5113,7 @@ HandleUserInputEventResult EventHandler::handleTouchEvent(const PlatformTouchEve
              // we also remove it from the map.
              touchTarget = m_originatingTouchPointTargets.take(touchPointTargetKey);
  
@@ -5745,7 +5622,7 @@ index cedf16dffeceb7941de7eca75f6c6800ecacf06f..03296e2cc70e9bd4468ff6161a163780
              HitTestResult result = hitTestResultAtPoint(pagePoint, hitType | HitTestRequest::Type::AllowChildFrameContent);
              pointerTarget = result.targetElement();
              pointerCancelled = (pointerTarget != touchTarget);
-@@ -5071,7 +5077,7 @@ HandleUserInputEventResult EventHandler::handleTouchEvent(const PlatformTouchEve
+@@ -5129,7 +5136,7 @@ HandleUserInputEventResult EventHandler::handleTouchEvent(const PlatformTouchEve
          if (!targetFrame)
              continue;
  
@@ -5754,11 +5631,19 @@ index cedf16dffeceb7941de7eca75f6c6800ecacf06f..03296e2cc70e9bd4468ff6161a163780
          // FIXME: WPE currently does not send touch stationary events, so create a naive TouchReleased PlatformTouchPoint
          // on release if the hit test result changed since the previous TouchPressed or TouchMoved
          if (pointState == PlatformTouchPoint::TouchReleased && pointerCancelled) {
+@@ -5219,6 +5226,7 @@ HandleUserInputEventResult EventHandler::handleTouchEvent(const PlatformTouchEve
+ 
+     return swallowedEvent;
+ }
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
+ #endif // ENABLE(TOUCH_EVENTS) && !ENABLE(IOS_TOUCH_EVENTS)
+ 
+ #if ENABLE(TOUCH_EVENTS)
 diff --git a/Source/WebCore/page/FocusController.cpp b/Source/WebCore/page/FocusController.cpp
-index c911a4a6ac3f89485cd69917d1f50145b0779b7e..081c8e9a23a5a5d8f4ccd2205016ca0acf2ce64a 100644
+index b945aaa8fc59d043f8177acc443f0cbba2f5bb71..fc0c93ea6cdf66d7c9a38350230cda6ed9950f17 100644
 --- a/Source/WebCore/page/FocusController.cpp
 +++ b/Source/WebCore/page/FocusController.cpp
-@@ -581,13 +581,14 @@ bool FocusController::relinquishFocusToChrome(FocusDirection direction)
+@@ -586,13 +586,14 @@ bool FocusController::relinquishFocusToChrome(FocusDirection direction)
          return false;
  
      Ref page = m_page.get();
@@ -5776,19 +5661,19 @@ index c911a4a6ac3f89485cd69917d1f50145b0779b7e..081c8e9a23a5a5d8f4ccd2205016ca0a
  }
  
 diff --git a/Source/WebCore/page/FrameSnapshotting.cpp b/Source/WebCore/page/FrameSnapshotting.cpp
-index 084db825e36bd46126fea95fc7183bf2e931be7e..dac3caef67600f8c7c945fd857a91140a23d0303 100644
+index ce7eca624ce26cdb4440ca6ce5e3c9f912d5f384..0104c784711709e04128495a6bf6b188fdd8021c 100644
 --- a/Source/WebCore/page/FrameSnapshotting.cpp
 +++ b/Source/WebCore/page/FrameSnapshotting.cpp
-@@ -115,7 +115,7 @@ RefPtr<ImageBuffer> snapshotFrameRectWithClip(LocalFrame& frame, const IntRect&
+@@ -111,7 +111,7 @@ RefPtr<ImageBuffer> snapshotFrameRectWithClip(LocalFrame& frame, const IntRect&
      // Other paint behaviors are set by paintContentsForSnapshot.
      frame.view()->setPaintBehavior(paintBehavior);
  
 -    float scaleFactor = frame.page()->deviceScaleFactor();
 +    float scaleFactor = options.flags.contains(SnapshotFlags::OmitDeviceScaleFactor) ? 1 : frame.page()->deviceScaleFactor();
+     if (options.flags.contains(SnapshotFlags::PaintWith3xBaseScale))
+         scaleFactor = 3;
  
-     if (frame.page()->delegatesScaling())
-         scaleFactor *= frame.page()->pageScaleFactor();
-@@ -130,7 +130,13 @@ RefPtr<ImageBuffer> snapshotFrameRectWithClip(LocalFrame& frame, const IntRect&
+@@ -129,7 +129,13 @@ RefPtr<ImageBuffer> snapshotFrameRectWithClip(LocalFrame& frame, const IntRect&
      if (!buffer)
          return nullptr;
  
@@ -5802,7 +5687,7 @@ index 084db825e36bd46126fea95fc7183bf2e931be7e..dac3caef67600f8c7c945fd857a91140
  
      if (!clipRects.isEmpty()) {
          Path clipPath;
-@@ -139,7 +145,10 @@ RefPtr<ImageBuffer> snapshotFrameRectWithClip(LocalFrame& frame, const IntRect&
+@@ -138,7 +144,10 @@ RefPtr<ImageBuffer> snapshotFrameRectWithClip(LocalFrame& frame, const IntRect&
          buffer->context().clipPath(clipPath);
      }
  
@@ -5815,19 +5700,19 @@ index 084db825e36bd46126fea95fc7183bf2e931be7e..dac3caef67600f8c7c945fd857a91140
  }
  
 diff --git a/Source/WebCore/page/FrameSnapshotting.h b/Source/WebCore/page/FrameSnapshotting.h
-index 5b365008debe6b8d5a95a572a4c2725b0a7a519d..2c6ad49a45a1759f446aced179c0c5a7bfb4b07a 100644
+index 3ab70c27fef52f5d933cd2338a7c2f96e2debc88..39fc13df5ce132f8d028cd5039c607fe8963ddcf 100644
 --- a/Source/WebCore/page/FrameSnapshotting.h
 +++ b/Source/WebCore/page/FrameSnapshotting.h
-@@ -55,6 +55,7 @@ enum class SnapshotFlags : uint16_t {
-     Shareable = 1 << 7,
+@@ -56,6 +56,7 @@ enum class SnapshotFlags : uint16_t {
      Accelerated = 1 << 8,
      ExcludeReplacedContent = 1 << 9,
-+    OmitDeviceScaleFactor = 1 << 10,
+     PaintWith3xBaseScale = 1 << 10,
++    OmitDeviceScaleFactor = 1 << 11,
  };
  
  struct SnapshotOptions {
 diff --git a/Source/WebCore/page/History.cpp b/Source/WebCore/page/History.cpp
-index 709a8aca3d10170ce8394efaeb8eaa0eff9bfacf..40b2ccc937b36b17686cc2231e6f33ebb3e6f712 100644
+index c114526d3b536993fe20cb2452b913c01d3f65dc..0cdd416742e5a9205f8114ef84ddea3cfce03293 100644
 --- a/Source/WebCore/page/History.cpp
 +++ b/Source/WebCore/page/History.cpp
 @@ -32,6 +32,7 @@
@@ -5848,7 +5733,7 @@ index 709a8aca3d10170ce8394efaeb8eaa0eff9bfacf..40b2ccc937b36b17686cc2231e6f33eb
  }
  
 diff --git a/Source/WebCore/page/LocalFrame.cpp b/Source/WebCore/page/LocalFrame.cpp
-index 53f47ce0a1a4bccf35e183bdb1e7d7ea3208e7ed..9ce65588de61f0c2e8f6a7ee804c93c6a5520d2e 100644
+index 43cbdcdc0a278fda65592af1a7b20babf0e055e4..11efd76361ace87f0ad276525cec399e2a103595 100644
 --- a/Source/WebCore/page/LocalFrame.cpp
 +++ b/Source/WebCore/page/LocalFrame.cpp
 @@ -41,6 +41,7 @@
@@ -5874,16 +5759,16 @@ index 53f47ce0a1a4bccf35e183bdb1e7d7ea3208e7ed..9ce65588de61f0c2e8f6a7ee804c93c6
 +#include "NodeRenderStyle.h"
  #include "NodeTraversal.h"
  #include "Page.h"
- #include "ProcessWarming.h"
-@@ -189,6 +192,7 @@ LocalFrame::LocalFrame(Page& page, ClientCreator&& clientCreator, FrameIdentifie
+ #include "ProcessSyncClient.h"
+@@ -193,6 +196,7 @@ LocalFrame::LocalFrame(Page& page, ClientCreator&& clientCreator, FrameIdentifie
  
  void LocalFrame::init()
  {
 +    InspectorInstrumentation::frameAttached(this);
-     checkedLoader()->init();
+     protectedLoader()->init();
  }
  
-@@ -405,7 +409,7 @@ void LocalFrame::orientationChanged()
+@@ -409,7 +413,7 @@ void LocalFrame::orientationChanged()
  IntDegrees LocalFrame::orientation() const
  {
      if (RefPtr page = this->page())
@@ -5892,8 +5777,8 @@ index 53f47ce0a1a4bccf35e183bdb1e7d7ea3208e7ed..9ce65588de61f0c2e8f6a7ee804c93c6
      return 0;
  }
  #endif // ENABLE(ORIENTATION_EVENTS)
-@@ -1370,6 +1374,362 @@ void LocalFrame::updateSandboxFlags(SandboxFlags flags, NotifyUIProcess notifyUI
-     m_sandboxFlags = flags;
+@@ -1381,6 +1385,364 @@ void LocalFrame::setScrollingMode(ScrollbarMode scrollingMode)
+         view->setCanHaveScrollbars(m_scrollingMode != ScrollbarMode::AlwaysOff);
  }
  
 +#if !PLATFORM(IOS_FAMILY)
@@ -5942,6 +5827,7 @@ index 53f47ce0a1a4bccf35e183bdb1e7d7ea3208e7ed..9ce65588de61f0c2e8f6a7ee804c93c6
 +    return true;
 +}
 +
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
 +Node* LocalFrame::qualifyingNodeAtViewportLocation(const FloatPoint& viewportLocation, FloatPoint& adjustedViewportLocation, const NodeQualifier& nodeQualifierFunction, ShouldApproximate shouldApproximate, ShouldFindRootEditableElement shouldFindRootEditableElement)
 +{
 +    adjustedViewportLocation = viewportLocation;
@@ -6053,6 +5939,7 @@ index 53f47ce0a1a4bccf35e183bdb1e7d7ea3208e7ed..9ce65588de61f0c2e8f6a7ee804c93c6
 +
 +    return approximateNode;
 +}
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
 +
 +Node* LocalFrame::deepestNodeAtLocation(const FloatPoint& viewportLocation)
 +{
@@ -6256,7 +6143,7 @@ index 53f47ce0a1a4bccf35e183bdb1e7d7ea3208e7ed..9ce65588de61f0c2e8f6a7ee804c93c6
  
  #undef FRAME_RELEASE_LOG_ERROR
 diff --git a/Source/WebCore/page/LocalFrame.h b/Source/WebCore/page/LocalFrame.h
-index 38fe2680b461f6a319f6b976412fff6a5af9950f..ca63f835abf84b00fb7e57361b1969400ceb8f4a 100644
+index a585d427d1e7fd0f04defd8bb0e80841356f4948..05434b295c929791a1f14ab674ea7e0390e8e0ff 100644
 --- a/Source/WebCore/page/LocalFrame.h
 +++ b/Source/WebCore/page/LocalFrame.h
 @@ -28,8 +28,10 @@
@@ -6270,15 +6157,7 @@ index 38fe2680b461f6a319f6b976412fff6a5af9950f..ca63f835abf84b00fb7e57361b196940
  #include "ScrollTypes.h"
  #include "UserScriptTypes.h"
  #include <wtf/CheckedRef.h>
-@@ -71,7 +73,6 @@ namespace WebCore {
- class Color;
- class LocalDOMWindow;
- class DataDetectionResultsStorage;
--class Document;
- class Editor;
- class Element;
- class EventHandler;
-@@ -115,8 +116,8 @@ enum {
+@@ -115,8 +117,8 @@ enum {
  };
  
  enum OverflowScrollAction { DoNotPerformOverflowScroll, PerformOverflowScroll };
@@ -6288,7 +6167,7 @@ index 38fe2680b461f6a319f6b976412fff6a5af9950f..ca63f835abf84b00fb7e57361b196940
  
  class LocalFrame final : public Frame {
  public:
-@@ -226,10 +227,6 @@ public:
+@@ -227,10 +229,6 @@ public:
      WEBCORE_EXPORT DataDetectionResultsStorage& dataDetectionResults();
  #endif
  
@@ -6299,7 +6178,7 @@ index 38fe2680b461f6a319f6b976412fff6a5af9950f..ca63f835abf84b00fb7e57361b196940
      WEBCORE_EXPORT Node* deepestNodeAtLocation(const FloatPoint& viewportLocation);
      WEBCORE_EXPORT Node* nodeRespondingToClickEvents(const FloatPoint& viewportLocation, FloatPoint& adjustedViewportLocation, SecurityOrigin* = nullptr);
      WEBCORE_EXPORT Node* nodeRespondingToDoubleClickEvent(const FloatPoint& viewportLocation, FloatPoint& adjustedViewportLocation);
-@@ -237,6 +234,10 @@ public:
+@@ -238,6 +236,10 @@ public:
      WEBCORE_EXPORT Node* nodeRespondingToScrollWheelEvents(const FloatPoint& viewportLocation);
      WEBCORE_EXPORT Node* approximateNodeAtViewportLocationLegacy(const FloatPoint& viewportLocation, FloatPoint& adjustedViewportLocation);
  
@@ -6310,7 +6189,7 @@ index 38fe2680b461f6a319f6b976412fff6a5af9950f..ca63f835abf84b00fb7e57361b196940
      WEBCORE_EXPORT NSArray *wordsInCurrentParagraph() const;
      WEBCORE_EXPORT CGRect renderRectForPoint(CGPoint, bool* isReplaced, float* fontSize) const;
  
-@@ -304,6 +305,7 @@ public:
+@@ -305,6 +307,7 @@ public:
  
      WEBCORE_EXPORT FloatSize screenSize() const;
      void setOverrideScreenSize(FloatSize&&);
@@ -6318,7 +6197,7 @@ index 38fe2680b461f6a319f6b976412fff6a5af9950f..ca63f835abf84b00fb7e57361b196940
  
      void selfOnlyRef();
      void selfOnlyDeref();
-@@ -363,7 +365,6 @@ private:
+@@ -368,7 +371,6 @@ private:
  #if ENABLE(DATA_DETECTION)
      std::unique_ptr<DataDetectionResultsStorage> m_dataDetectionResults;
  #endif
@@ -6326,7 +6205,7 @@ index 38fe2680b461f6a319f6b976412fff6a5af9950f..ca63f835abf84b00fb7e57361b196940
      void betterApproximateNode(const IntPoint& testPoint, const NodeQualifier&, Node*& best, Node* failedNode, IntPoint& bestPoint, IntRect& bestRect, const IntRect& testRect);
      bool hitTestResultAtViewportLocation(const FloatPoint& viewportLocation, HitTestResult&, IntPoint& center);
  
-@@ -371,6 +372,7 @@ private:
+@@ -376,6 +378,7 @@ private:
      enum class ShouldFindRootEditableElement : bool { No, Yes };
      Node* qualifyingNodeAtViewportLocation(const FloatPoint& viewportLocation, FloatPoint& adjustedViewportLocation, const NodeQualifier&, ShouldApproximate, ShouldFindRootEditableElement = ShouldFindRootEditableElement::Yes);
  
@@ -6335,10 +6214,10 @@ index 38fe2680b461f6a319f6b976412fff6a5af9950f..ca63f835abf84b00fb7e57361b196940
  
      ViewportArguments m_viewportArguments;
 diff --git a/Source/WebCore/page/Page.cpp b/Source/WebCore/page/Page.cpp
-index 93122d37376bc11488f27dea245534d7657e281d..1cccbbb3379a468bca19903ab1eb34cdd285a93c 100644
+index 45764553395dc05bb5dbbcebca65ae441b827ee6..4452870fa80d2233bf22720e6730ebcfb5763557 100644
 --- a/Source/WebCore/page/Page.cpp
 +++ b/Source/WebCore/page/Page.cpp
-@@ -609,6 +609,45 @@ void Page::setOverrideViewportArguments(const std::optional<ViewportArguments>&
+@@ -632,6 +632,45 @@ void Page::setOverrideViewportArguments(const std::optional<ViewportArguments>&
          document->updateViewportArguments();
  }
  
@@ -6384,7 +6263,7 @@ index 93122d37376bc11488f27dea245534d7657e281d..1cccbbb3379a468bca19903ab1eb34cd
  ScrollingCoordinator* Page::scrollingCoordinator()
  {
      if (!m_scrollingCoordinator && m_settings->scrollingCoordinatorEnabled()) {
-@@ -3974,6 +4013,26 @@ void Page::setUseDarkAppearanceOverride(std::optional<bool> valueOverride)
+@@ -4018,6 +4057,26 @@ void Page::setUseDarkAppearanceOverride(std::optional<bool> valueOverride)
  #endif
  }
  
@@ -6412,10 +6291,10 @@ index 93122d37376bc11488f27dea245534d7657e281d..1cccbbb3379a468bca19903ab1eb34cd
  {
      if (insets == m_fullscreenInsets)
 diff --git a/Source/WebCore/page/Page.h b/Source/WebCore/page/Page.h
-index 55887f532ee42163e7ea0c34a31f1c8bdc0d808f..cc0d6b05a2132c96e45e956cbccabe61df434953 100644
+index 35b77368186161eef9637470b70d438f358ea6aa..2619738f4cb1e7c060435b22921aaca9e5003de0 100644
 --- a/Source/WebCore/page/Page.h
 +++ b/Source/WebCore/page/Page.h
-@@ -354,6 +354,9 @@ public:
+@@ -360,6 +360,9 @@ public:
      const std::optional<ViewportArguments>& overrideViewportArguments() const { return m_overrideViewportArguments; }
      WEBCORE_EXPORT void setOverrideViewportArguments(const std::optional<ViewportArguments>&);
  
@@ -6425,7 +6304,7 @@ index 55887f532ee42163e7ea0c34a31f1c8bdc0d808f..cc0d6b05a2132c96e45e956cbccabe61
      static void refreshPlugins(bool reload);
      WEBCORE_EXPORT PluginData& pluginData();
      void clearPluginData();
-@@ -422,6 +425,10 @@ public:
+@@ -431,6 +434,10 @@ public:
  #if ENABLE(DRAG_SUPPORT)
      DragController& dragController() { return m_dragController.get(); }
      const DragController& dragController() const { return m_dragController.get(); }
@@ -6436,8 +6315,8 @@ index 55887f532ee42163e7ea0c34a31f1c8bdc0d808f..cc0d6b05a2132c96e45e956cbccabe61
  #endif
      FocusController& focusController() const { return *m_focusController; }
      WEBCORE_EXPORT CheckedRef<FocusController> checkedFocusController() const;
-@@ -605,6 +612,10 @@ public:
-     WEBCORE_EXPORT void effectiveAppearanceDidChange(bool useDarkAppearance, bool useElevatedUserInterfaceLevel);
+@@ -617,6 +624,10 @@ public:
+     WEBCORE_EXPORT void setUseColorAppearance(bool useDarkAppearance, bool useElevatedUserInterfaceLevel);
      bool defaultUseDarkAppearance() const { return m_useDarkAppearance; }
      void setUseDarkAppearanceOverride(std::optional<bool>);
 +    std::optional<bool> useReducedMotionOverride() const { return m_useReducedMotionOverride; }
@@ -6447,7 +6326,7 @@ index 55887f532ee42163e7ea0c34a31f1c8bdc0d808f..cc0d6b05a2132c96e45e956cbccabe61
  
  #if ENABLE(TEXT_AUTOSIZING)
      float textAutosizingWidth() const { return m_textAutosizingWidth; }
-@@ -1057,6 +1068,11 @@ public:
+@@ -1070,6 +1081,11 @@ public:
      WEBCORE_EXPORT void setInteractionRegionsEnabled(bool);
  #endif
  
@@ -6459,7 +6338,7 @@ index 55887f532ee42163e7ea0c34a31f1c8bdc0d808f..cc0d6b05a2132c96e45e956cbccabe61
  #if ENABLE(DEVICE_ORIENTATION) && PLATFORM(IOS_FAMILY)
      DeviceOrientationUpdateProvider* deviceOrientationUpdateProvider() const { return m_deviceOrientationUpdateProvider.get(); }
  #endif
-@@ -1289,6 +1305,9 @@ private:
+@@ -1325,6 +1341,9 @@ private:
  
  #if ENABLE(DRAG_SUPPORT)
      UniqueRef<DragController> m_dragController;
@@ -6469,7 +6348,7 @@ index 55887f532ee42163e7ea0c34a31f1c8bdc0d808f..cc0d6b05a2132c96e45e956cbccabe61
  #endif
      std::unique_ptr<FocusController> m_focusController;
  #if ENABLE(CONTEXT_MENUS)
-@@ -1369,6 +1388,8 @@ private:
+@@ -1405,6 +1424,8 @@ private:
      bool m_useElevatedUserInterfaceLevel { false };
      bool m_useDarkAppearance { false };
      std::optional<bool> m_useDarkAppearanceOverride;
@@ -6478,7 +6357,7 @@ index 55887f532ee42163e7ea0c34a31f1c8bdc0d808f..cc0d6b05a2132c96e45e956cbccabe61
  
  #if ENABLE(TEXT_AUTOSIZING)
      float m_textAutosizingWidth { 0 };
-@@ -1549,6 +1570,11 @@ private:
+@@ -1585,6 +1606,11 @@ private:
  #endif
  
      std::optional<ViewportArguments> m_overrideViewportArguments;
@@ -6491,7 +6370,7 @@ index 55887f532ee42163e7ea0c34a31f1c8bdc0d808f..cc0d6b05a2132c96e45e956cbccabe61
  #if ENABLE(DEVICE_ORIENTATION) && PLATFORM(IOS_FAMILY)
      RefPtr<DeviceOrientationUpdateProvider> m_deviceOrientationUpdateProvider;
 diff --git a/Source/WebCore/page/PageConsoleClient.cpp b/Source/WebCore/page/PageConsoleClient.cpp
-index 52ceeb42346f843bec6734584e7d36beb7845abd..5bf7ff1870fdd011ea16419ab517bfa6ff51d874 100644
+index 7a951f2599ee142d22318055badaa4c6b1acc53a..51fda467e6ff06249e58ca1cda5d955e68370c6c 100644
 --- a/Source/WebCore/page/PageConsoleClient.cpp
 +++ b/Source/WebCore/page/PageConsoleClient.cpp
 @@ -437,4 +437,9 @@ Ref<Page> PageConsoleClient::protectedPage() const
@@ -6517,10 +6396,10 @@ index 153fc36199f26adbfb61cbef6744ffe31a68b951..cc667e06700013fd5e994467e19536d2
      Ref<Page> protectedPage() const;
  
 diff --git a/Source/WebCore/page/PointerCaptureController.cpp b/Source/WebCore/page/PointerCaptureController.cpp
-index f1040d32a97110c5b8d802450f36794f1d0f34fd..469c6cc7674578e5f2623a23c3f151bc65d278c1 100644
+index e24fbc296a8bbfb784eaeb3b773b6384c2679b7b..a172c06103bb20d20e905d7cacec0830fd464f02 100644
 --- a/Source/WebCore/page/PointerCaptureController.cpp
 +++ b/Source/WebCore/page/PointerCaptureController.cpp
-@@ -198,7 +198,7 @@ bool PointerCaptureController::preventsCompatibilityMouseEventsForIdentifier(Poi
+@@ -204,7 +204,7 @@ bool PointerCaptureController::preventsCompatibilityMouseEventsForIdentifier(Poi
      return capturingData && capturingData->preventsCompatibilityMouseEvents;
  }
  
@@ -6529,7 +6408,7 @@ index f1040d32a97110c5b8d802450f36794f1d0f34fd..469c6cc7674578e5f2623a23c3f151bc
  static bool hierarchyHasCapturingEventListeners(Element* target, const AtomString& eventName)
  {
      for (RefPtr<ContainerNode> currentNode = target; currentNode; currentNode = currentNode->parentInComposedTree()) {
-@@ -503,7 +503,7 @@ void PointerCaptureController::cancelPointer(PointerID pointerId, const IntPoint
+@@ -554,7 +554,7 @@ void PointerCaptureController::cancelPointer(PointerID pointerId, const IntPoint
      capturingData->pendingTargetOverride = nullptr;
      capturingData->state = CapturingData::State::Cancelled;
  
@@ -6539,10 +6418,10 @@ index f1040d32a97110c5b8d802450f36794f1d0f34fd..469c6cc7674578e5f2623a23c3f151bc
  #endif
  
 diff --git a/Source/WebCore/page/PointerCaptureController.h b/Source/WebCore/page/PointerCaptureController.h
-index 99676da258803e8348ae1fee23e7e3883fb0b888..0477e6dff22db0e7f2d78cb8ecb863ec5fea136f 100644
+index 9245baa0c317bb3dfa8a2a1666953d320cb85ee1..55445eb29e095ef4b6d6918728885a267a3b8183 100644
 --- a/Source/WebCore/page/PointerCaptureController.h
 +++ b/Source/WebCore/page/PointerCaptureController.h
-@@ -59,7 +59,7 @@ public:
+@@ -60,7 +60,7 @@ public:
  
      RefPtr<PointerEvent> pointerEventForMouseEvent(const MouseEvent&, PointerID, const String& pointerType);
  
@@ -6551,8 +6430,8 @@ index 99676da258803e8348ae1fee23e7e3883fb0b888..0477e6dff22db0e7f2d78cb8ecb863ec
      void dispatchEventForTouchAtIndex(EventTarget&, const PlatformTouchEvent&, unsigned, bool isPrimary, WindowProxy&, const IntPoint&);
  #endif
  
-@@ -79,12 +79,12 @@ private:
- 
+@@ -81,12 +81,12 @@ private:
+         WeakPtr<Document, WeakPtrImplWithEventTargetData> activeDocument;
          RefPtr<Element> pendingTargetOverride;
          RefPtr<Element> targetOverride;
 -#if ENABLE(TOUCH_EVENTS) && (PLATFORM(IOS_FAMILY) || PLATFORM(WPE))
@@ -6740,7 +6619,7 @@ index 29492dd39b08db28aad2bf2439eb3e2bbcf25ad7..2b603cb8440b1b5057c87fcbd6909c61
  )
  
 diff --git a/Source/WebCore/platform/DragData.h b/Source/WebCore/platform/DragData.h
-index 34f49853b1d5ac8d8409bbd36d203bf7dfbb08e8..6d2808d510413e89ae9851733437d15b7660cd4a 100644
+index 2ebb3221cb3818f20abc7b7c3307ea7644f49d49..e0bffb6f5adee0b0a202340f633c2def1955b384 100644
 --- a/Source/WebCore/platform/DragData.h
 +++ b/Source/WebCore/platform/DragData.h
 @@ -47,7 +47,7 @@ typedef void* DragDataRef;
@@ -6880,18 +6759,10 @@ index 63ffd6ca32c3baee03db2a9419c4f7e9de45388a..c60c7a8d1f110472117c8c4e969fd05f
  #endif
  
 diff --git a/Source/WebCore/platform/PlatformScreen.cpp b/Source/WebCore/platform/PlatformScreen.cpp
-index ae46341ba71c7f6df7c607bd852338cdb7f83fe1..b318c0771192344a6891c1f097cb0b93dabe8237 100644
+index ae46341ba71c7f6df7c607bd852338cdb7f83fe1..a11db190d86f5e3ec4c7cee6c5b3ea93f2380646 100644
 --- a/Source/WebCore/platform/PlatformScreen.cpp
 +++ b/Source/WebCore/platform/PlatformScreen.cpp
-@@ -25,6 +25,7 @@
- 
- #include "config.h"
- #include "PlatformScreen.h"
-+#include "DeprecatedGlobalSettings.h"
- 
- #if PLATFORM(COCOA) || PLATFORM(GTK) || (PLATFORM(WPE) && ENABLE(WPE_PLATFORM))
- 
-@@ -73,3 +74,25 @@ const ScreenData* screenData(PlatformDisplayID screenDisplayID)
+@@ -73,3 +73,25 @@ const ScreenData* screenData(PlatformDisplayID screenDisplayID)
  } // namespace WebCore
  
  #endif // PLATFORM(COCOA) || PLATFORM(GTK) || (PLATFORM(WPE) && ENABLE(WPE_PLATFORM))
@@ -6918,10 +6789,10 @@ index ae46341ba71c7f6df7c607bd852338cdb7f83fe1..b318c0771192344a6891c1f097cb0b93
 +} // namespace WebCore
 +#endif
 diff --git a/Source/WebCore/platform/PlatformScreen.h b/Source/WebCore/platform/PlatformScreen.h
-index f10a43820dca4bdeafe67b330243a698f3334f5a..a8e3a9b96cd8b3b36174da42abc0ccac6cb5b17c 100644
+index 6ffb85dbfcc01be76ef498f4f7478747912ca7d7..a6e0a3347e36a01b9aeca524747d14ff63f4c529 100644
 --- a/Source/WebCore/platform/PlatformScreen.h
 +++ b/Source/WebCore/platform/PlatformScreen.h
-@@ -151,13 +151,18 @@ WEBCORE_EXPORT float screenScaleFactor(UIScreen * = nullptr);
+@@ -154,12 +154,16 @@ WEBCORE_EXPORT float screenScaleFactor(UIScreen * = nullptr);
  #endif
  
  #if ENABLE(TOUCH_EVENTS)
@@ -6941,8 +6812,6 @@ index f10a43820dca4bdeafe67b330243a698f3334f5a..a8e3a9b96cd8b3b36174da42abc0ccac
  #endif
  #endif
  
-+
- } // namespace WebCore
 diff --git a/Source/WebCore/platform/PlatformTouchEvent.h b/Source/WebCore/platform/PlatformTouchEvent.h
 index 23f011953c66f401553bedfaef3485af215ae083..a73da2ebe47f0d8dc57f3d0159e8f299abb61c96 100644
 --- a/Source/WebCore/platform/PlatformTouchEvent.h
@@ -6970,7 +6839,7 @@ index 34715d27b529750fc866db87cd330b5184286771..3eefa218af075f76d98012cdeae7e4b3
      // create a PlatformTouchPoint of type TouchCancelled artificially
      PlatformTouchPoint(unsigned id, State state, IntPoint screenPos, IntPoint pos)
 diff --git a/Source/WebCore/platform/Skia.cmake b/Source/WebCore/platform/Skia.cmake
-index 616a44dba554ac1429c074f1fe9509a3f544ef1e..73c9b605221dbd036713afa9d1935902444833b3 100644
+index b3a6d971c8e9935c8ee6fe16c91f4210a8ee22dc..72380815f319976a132079bb4b41bf5b429c87e3 100644
 --- a/Source/WebCore/platform/Skia.cmake
 +++ b/Source/WebCore/platform/Skia.cmake
 @@ -13,6 +13,7 @@ list(APPEND WebCore_PRIVATE_FRAMEWORK_HEADERS
@@ -6980,7 +6849,7 @@ index 616a44dba554ac1429c074f1fe9509a3f544ef1e..73c9b605221dbd036713afa9d1935902
 +    platform/graphics/skia/ImageBufferUtilitiesSkia.h
      platform/graphics/skia/SkiaHarfBuzzFont.h
      platform/graphics/skia/SkiaHarfBuzzFontCache.h
- )
+     platform/graphics/skia/SkiaPaintingEngine.h
 diff --git a/Source/WebCore/platform/adwaita/ScrollbarThemeAdwaita.cpp b/Source/WebCore/platform/adwaita/ScrollbarThemeAdwaita.cpp
 index 8f36dda49adafd4a542e24e3c4dd33d42be00d27..953b6f88f8deb597d2179a8cec7b717b7cf6dc5a 100644
 --- a/Source/WebCore/platform/adwaita/ScrollbarThemeAdwaita.cpp
@@ -7162,7 +7031,7 @@ index eb9710f7d61121f2414c8aa6734dc27653e292bb..9c0c7b350a6140681242ce36a180d686
          // Determine the string for this item.
          const UChar* str = cp.data() + items[i].iCharPos;
 diff --git a/Source/WebCore/platform/gtk/PlatformKeyboardEventGtk.cpp b/Source/WebCore/platform/gtk/PlatformKeyboardEventGtk.cpp
-index 979ec06ecd698b60066dc6775bf1b647624baa56..14d06fdd5b7b7df2a1942ed975cebf117beb4d1f 100644
+index 979ec06ecd698b60066dc6775bf1b647624baa56..1b3056aada9f352cc558f85fea0fd6c494b5201f 100644
 --- a/Source/WebCore/platform/gtk/PlatformKeyboardEventGtk.cpp
 +++ b/Source/WebCore/platform/gtk/PlatformKeyboardEventGtk.cpp
 @@ -37,8 +37,10 @@
@@ -7180,9 +7049,9 @@ index 979ec06ecd698b60066dc6775bf1b647624baa56..14d06fdd5b7b7df2a1942ed975cebf11
  
  }
  
-+static const HashMap<int, unsigned>& gdkToWindowsKeyCodeMap()
++static const UncheckedKeyHashMap<int, unsigned>& gdkToWindowsKeyCodeMap()
 +{
-+    static HashMap<int, unsigned>* result;
++    static UncheckedKeyHashMap<int, unsigned>* result;
 +    static std::once_flag once;
 +    std::call_once(
 +        once,
@@ -7405,7 +7274,7 @@ index 979ec06ecd698b60066dc6775bf1b647624baa56..14d06fdd5b7b7df2a1942ed975cebf11
 +                GDK_KEY_Subtitle,
 +                GDK_KEY_Video
 +            };
-+            result = new HashMap<int, unsigned>();
++            result = new UncheckedKeyHashMap<int, unsigned>();
 +            for (unsigned gdkKeyCode : gdkKeyCodes) {
 +                int winKeyCode = PlatformKeyboardEvent::windowsKeyCodeForGdkKeyCode(gdkKeyCode);
 +                // If several gdk key codes map to the same win key code first one is used.
@@ -7445,19 +7314,6 @@ index 9ea18000578dd47295b2ce4da7fa00b39b5cac81..41bdd2d741b469acb134220df7e0c102
  {
      auto* display = gdk_display_get_default();
      if (!display)
-diff --git a/Source/WebCore/platform/gtk/ScrollbarThemeGtk.cpp b/Source/WebCore/platform/gtk/ScrollbarThemeGtk.cpp
-index c65514727c0e915e06c460cba7530f9ae2d8e0e6..7836b21f81e77b869099f78ad6bdd0788df7eb70 100644
---- a/Source/WebCore/platform/gtk/ScrollbarThemeGtk.cpp
-+++ b/Source/WebCore/platform/gtk/ScrollbarThemeGtk.cpp
-@@ -39,6 +39,8 @@
- 
- namespace WebCore {
- 
-+ScrollbarThemeGtk::~ScrollbarThemeGtk() = default;
-+
- ScrollbarTheme& ScrollbarTheme::nativeTheme()
- {
-     static ScrollbarThemeGtk theme;
 diff --git a/Source/WebCore/platform/libwpe/PasteboardLibWPE.cpp b/Source/WebCore/platform/libwpe/PasteboardLibWPE.cpp
 index ae439e30f1fb239d18e1164e8896dfb272c75673..4cf29eda13d1f2dc2f03750c0ef8985b17de7f50 100644
 --- a/Source/WebCore/platform/libwpe/PasteboardLibWPE.cpp
@@ -7666,7 +7522,7 @@ index ae439e30f1fb239d18e1164e8896dfb272c75673..4cf29eda13d1f2dc2f03750c0ef8985b
  
  #endif // USE(LIBWPE)
 diff --git a/Source/WebCore/platform/libwpe/PlatformKeyboardEventLibWPE.cpp b/Source/WebCore/platform/libwpe/PlatformKeyboardEventLibWPE.cpp
-index a8674916429908cabb86bd95dc5b3da217e1556b..75cbb518708ebd459b1ed8e3206cdb02e502067d 100644
+index a8674916429908cabb86bd95dc5b3da217e1556b..6a464e2b0c1c45cd4e8effba678b8dde9dd870da 100644
 --- a/Source/WebCore/platform/libwpe/PlatformKeyboardEventLibWPE.cpp
 +++ b/Source/WebCore/platform/libwpe/PlatformKeyboardEventLibWPE.cpp
 @@ -30,9 +30,11 @@
@@ -7685,9 +7541,9 @@ index a8674916429908cabb86bd95dc5b3da217e1556b..75cbb518708ebd459b1ed8e3206cdb02
      return 0;
  }
  
-+static const HashMap<int, unsigned>& WPEToWindowsKeyCodeMap()
++static const UncheckedKeyHashMap<int, unsigned>& WPEToWindowsKeyCodeMap()
 +{
-+    static HashMap<int, unsigned>* result;
++    static UncheckedKeyHashMap<int, unsigned>* result;
 +    static std::once_flag once;
 +    std::call_once(
 +        once,
@@ -7910,7 +7766,7 @@ index a8674916429908cabb86bd95dc5b3da217e1556b..75cbb518708ebd459b1ed8e3206cdb02
 +                WPE_KEY_Subtitle,
 +                WPE_KEY_Video
 +            };
-+            result = new HashMap<int, unsigned>();
++            result = new UncheckedKeyHashMap<int, unsigned>();
 +            for (unsigned WPEKeyCode : WPEKeyCodes) {
 +                int winKeyCode = PlatformKeyboardEvent::windowsKeyCodeForWPEKeyCode(WPEKeyCode);
 +                // If several gdk key codes map to the same win key code first one is used.
@@ -7929,7 +7785,7 @@ index a8674916429908cabb86bd95dc5b3da217e1556b..75cbb518708ebd459b1ed8e3206cdb02
  {
      switch (val) {
 diff --git a/Source/WebCore/platform/libwpe/PlatformPasteboardLibWPE.cpp b/Source/WebCore/platform/libwpe/PlatformPasteboardLibWPE.cpp
-index c62e88f8c3aa40f01618cdaf0c0e22a2404b17ad..02411ac6bb361c2677c269945f665e0a92ccb902 100644
+index 64afe805b4418d9e57cc7a2704498a97162b93ab..86c385359352853d2884226f478168f890b0c8f0 100644
 --- a/Source/WebCore/platform/libwpe/PlatformPasteboardLibWPE.cpp
 +++ b/Source/WebCore/platform/libwpe/PlatformPasteboardLibWPE.cpp
 @@ -31,10 +31,18 @@
@@ -7942,9 +7798,9 @@ index c62e88f8c3aa40f01618cdaf0c0e22a2404b17ad..02411ac6bb361c2677c269945f665e0a
  
  namespace WebCore {
  
-+static HashMap<String, String>& sharedPasteboard()
++static UncheckedKeyHashMap<String, String>& sharedPasteboard()
 +{
-+    static NeverDestroyed<HashMap<String, String>> pasteboard;
++    static NeverDestroyed<UncheckedKeyHashMap<String, String>> pasteboard;
 +    return pasteboard.get();
 +}
 +
@@ -7957,10 +7813,9 @@ index c62e88f8c3aa40f01618cdaf0c0e22a2404b17ad..02411ac6bb361c2677c269945f665e0a
  {
 -    struct wpe_pasteboard_string_vector pasteboardTypes = { nullptr, 0 };
 -    wpe_pasteboard_get_types(m_pasteboard, &pasteboardTypes);
--
--    for (unsigned i = 0; i < pasteboardTypes.length; ++i) {
--        auto& typeString = pasteboardTypes.strings[i];
--        types.append(String({ typeString.data, typeString.length }));
+-    for (auto& typeString : unsafeMakeSpan(pasteboardTypes.strings, pasteboardTypes.length)) {
+-        const auto length = std::min(static_cast<size_t>(typeString.length), std::numeric_limits<size_t>::max());
+-        types.append(String({ typeString.data, length }));
 -    }
 -
 -    wpe_pasteboard_string_vector_free(&pasteboardTypes);
@@ -7975,7 +7830,8 @@ index c62e88f8c3aa40f01618cdaf0c0e22a2404b17ad..02411ac6bb361c2677c269945f665e0a
 -    if (!string.length)
 -        return String();
 -
--    String returnValue({ string.data, string.length });
+-    const auto length = std::min(static_cast<size_t>(string.length), std::numeric_limits<size_t>::max());
+-    String returnValue({ string.data, length });
 -
 -    wpe_pasteboard_string_free(&string);
 -    return returnValue;
@@ -7984,21 +7840,21 @@ index c62e88f8c3aa40f01618cdaf0c0e22a2404b17ad..02411ac6bb361c2677c269945f665e0a
  
  void PlatformPasteboard::write(const PasteboardWebContent& content)
  {
--    static const char plainText[] = "text/plain;charset=utf-8";
--    static const char htmlText[] = "text/html;charset=utf-8";
+-    static constexpr auto plainText = "text/plain;charset=utf-8"_s;
+-    static constexpr auto htmlText = "text/html;charset=utf-8"_s;
 -
 -    CString textString = content.text.utf8();
 -    CString markupString = content.markup.utf8();
 -
--    struct wpe_pasteboard_string_pair pairs[] = {
+-    std::array<struct wpe_pasteboard_string_pair, 2> pairs = { {
 -        { { nullptr, 0 }, { nullptr, 0 } },
 -        { { nullptr, 0 }, { nullptr, 0 } },
--    };
+-    } };
 -    wpe_pasteboard_string_initialize(&pairs[0].type, plainText, strlen(plainText));
 -    wpe_pasteboard_string_initialize(&pairs[0].string, textString.data(), textString.length());
 -    wpe_pasteboard_string_initialize(&pairs[1].type, htmlText, strlen(htmlText));
 -    wpe_pasteboard_string_initialize(&pairs[1].string, markupString.data(), markupString.length());
--    struct wpe_pasteboard_string_map map = { pairs, 2 };
+-    struct wpe_pasteboard_string_map map = { pairs.data(), pairs.size() };
 -
 -    wpe_pasteboard_write(m_pasteboard, &map);
 -
@@ -8032,24 +7888,11 @@ index c62e88f8c3aa40f01618cdaf0c0e22a2404b17ad..02411ac6bb361c2677c269945f665e0a
  }
  
  Vector<String> PlatformPasteboard::typesSafeForDOMToReadAndWrite(const String&) const
-diff --git a/Source/WebCore/platform/mediastream/libwebrtc/gstreamer/LibWebRTCProviderGStreamer.h b/Source/WebCore/platform/mediastream/libwebrtc/gstreamer/LibWebRTCProviderGStreamer.h
-index 0552842dbe3f3a2c12a504178f5a8ca977e1c4db..2ef3b1b459d8a9b4e86b4556feeb4f0737f05c54 100644
---- a/Source/WebCore/platform/mediastream/libwebrtc/gstreamer/LibWebRTCProviderGStreamer.h
-+++ b/Source/WebCore/platform/mediastream/libwebrtc/gstreamer/LibWebRTCProviderGStreamer.h
-@@ -31,6 +31,8 @@
- #include "GStreamerVideoEncoderFactory.h"
- #include "LibWebRTCProvider.h"
- 
-+#include "LibWebRTCProvider.h"
-+
- namespace WebCore {
- 
- class WEBCORE_EXPORT LibWebRTCProviderGStreamer : public LibWebRTCProvider {
 diff --git a/Source/WebCore/platform/network/HTTPHeaderMap.cpp b/Source/WebCore/platform/network/HTTPHeaderMap.cpp
-index 65679251a5c66afcf60ed4d4267169eefed745f5..2cb9dc1f0e777fd172e52f5a6c8f4d6910c08c47 100644
+index d22cc965746c1b55ed9242af878a590a487ecae5..2c7649e3fa5bd13e456e1e1d90da37a813a75aca 100644
 --- a/Source/WebCore/platform/network/HTTPHeaderMap.cpp
 +++ b/Source/WebCore/platform/network/HTTPHeaderMap.cpp
-@@ -236,8 +236,11 @@ void HTTPHeaderMap::add(HTTPHeaderName name, const String& value)
+@@ -234,8 +234,11 @@ void HTTPHeaderMap::add(HTTPHeaderName name, const String& value)
      auto index = m_commonHeaders.findIf([&](auto& header) {
          return header.key == name;
      });
@@ -8063,20 +7906,19 @@ index 65679251a5c66afcf60ed4d4267169eefed745f5..2cb9dc1f0e777fd172e52f5a6c8f4d69
          m_commonHeaders.append(CommonHeader { name, value });
  }
 diff --git a/Source/WebCore/platform/network/NetworkStorageSession.h b/Source/WebCore/platform/network/NetworkStorageSession.h
-index bf887012d2f391eb6169a9e53b40cb3c682e6d70..4954dfb7ed9ee711b126552dc9130f265059d270 100644
+index 00d37bb9aac7aa0db5a7cc7acdff5611a44e4aaa..6e23adbdb9035bb4698232b2086b4ac0fcff7dea 100644
 --- a/Source/WebCore/platform/network/NetworkStorageSession.h
 +++ b/Source/WebCore/platform/network/NetworkStorageSession.h
-@@ -185,6 +185,8 @@ public:
+@@ -184,6 +184,7 @@ public:
+ 
      NetworkingContext* context() const;
  #endif
- 
 +    WEBCORE_EXPORT void setCookiesFromResponse(const URL& firstParty, const SameSiteInfo&, const URL&, const String& setCookieValue);
-+
+ 
      WEBCORE_EXPORT HTTPCookieAcceptPolicy cookieAcceptPolicy() const;
      WEBCORE_EXPORT void setCookie(const Cookie&);
-     WEBCORE_EXPORT void setCookies(const Vector<Cookie>&, const URL&, const URL& mainDocumentURL);
 diff --git a/Source/WebCore/platform/network/ResourceResponseBase.cpp b/Source/WebCore/platform/network/ResourceResponseBase.cpp
-index 91cba6cadafd7c3739c2293b6146321b5ba0ea28..a1a52db245a2b480614901b650524872596a6c47 100644
+index 774748f1bb47fdefa53b820db5fc891077125de7..4f9220dace7d300d2326692383944f3a560d8cb8 100644
 --- a/Source/WebCore/platform/network/ResourceResponseBase.cpp
 +++ b/Source/WebCore/platform/network/ResourceResponseBase.cpp
 @@ -78,6 +78,7 @@ ResourceResponseBase::ResourceResponseBase(std::optional<ResourceResponseData> d
@@ -8087,7 +7929,7 @@ index 91cba6cadafd7c3739c2293b6146321b5ba0ea28..a1a52db245a2b480614901b650524872
      , m_networkLoadMetrics(data && data->networkLoadMetrics ? Box<NetworkLoadMetrics>::create(*data->networkLoadMetrics) : Box<NetworkLoadMetrics> { })
      , m_certificateInfo(data ? data->certificateInfo : std::nullopt)
      , m_httpStatusCode(data ? data->httpStatusCode : 0)
-@@ -896,6 +897,7 @@ std::optional<ResourceResponseData> ResourceResponseBase::getResponseData() cons
+@@ -901,6 +902,7 @@ std::optional<ResourceResponseData> ResourceResponseBase::getResponseData() cons
          String { m_httpStatusText },
          String { m_httpVersion },
          HTTPHeaderMap { m_httpHeaderFields },
@@ -8095,7 +7937,7 @@ index 91cba6cadafd7c3739c2293b6146321b5ba0ea28..a1a52db245a2b480614901b650524872
          m_networkLoadMetrics ? std::optional(*m_networkLoadMetrics) : std::nullopt,
          m_source,
          m_type,
-@@ -969,6 +971,11 @@ std::optional<WebCore::ResourceResponseData> Coder<WebCore::ResourceResponseData
+@@ -974,6 +976,11 @@ std::optional<WebCore::ResourceResponseData> Coder<WebCore::ResourceResponseData
      if (!httpHeaderFields)
          return std::nullopt;
  
@@ -8107,7 +7949,7 @@ index 91cba6cadafd7c3739c2293b6146321b5ba0ea28..a1a52db245a2b480614901b650524872
      std::optional<short> httpStatusCode;
      decoder >> httpStatusCode;
      if (!httpStatusCode)
-@@ -1023,6 +1030,7 @@ std::optional<WebCore::ResourceResponseData> Coder<WebCore::ResourceResponseData
+@@ -1028,6 +1035,7 @@ std::optional<WebCore::ResourceResponseData> Coder<WebCore::ResourceResponseData
          WTFMove(*httpStatusText),
          WTFMove(*httpVersion),
          WTFMove(*httpHeaderFields),
@@ -8116,10 +7958,10 @@ index 91cba6cadafd7c3739c2293b6146321b5ba0ea28..a1a52db245a2b480614901b650524872
          *source,
          *type,
 diff --git a/Source/WebCore/platform/network/ResourceResponseBase.h b/Source/WebCore/platform/network/ResourceResponseBase.h
-index 95c24f85913c09bdf2e7b9e6c4e308d9528b06af..d6da8d829b0f40a9f234429aa97c5bd0e696d837 100644
+index ec38706084d826ae14aefc6febba137d3e51f1a6..01a916a312e99e405d3098b3df78ee000f55f74a 100644
 --- a/Source/WebCore/platform/network/ResourceResponseBase.h
 +++ b/Source/WebCore/platform/network/ResourceResponseBase.h
-@@ -252,6 +252,11 @@ protected:
+@@ -254,6 +254,11 @@ protected:
      String m_httpStatusText;
      String m_httpVersion;
      HTTPHeaderMap m_httpHeaderFields;
@@ -8131,7 +7973,7 @@ index 95c24f85913c09bdf2e7b9e6c4e308d9528b06af..d6da8d829b0f40a9f234429aa97c5bd0
      Box<NetworkLoadMetrics> m_networkLoadMetrics;
  
      mutable std::optional<CertificateInfo> m_certificateInfo;
-@@ -292,7 +297,7 @@ struct ResourceResponseData {
+@@ -294,7 +299,7 @@ struct ResourceResponseData {
      ResourceResponseData() = default;
      ResourceResponseData(ResourceResponseData&&) = default;
      ResourceResponseData& operator=(ResourceResponseData&&) = default;
@@ -8140,7 +7982,7 @@ index 95c24f85913c09bdf2e7b9e6c4e308d9528b06af..d6da8d829b0f40a9f234429aa97c5bd0
          : url(WTFMove(url))
          , mimeType(WTFMove(mimeType))
          , expectedContentLength(expectedContentLength)
-@@ -301,6 +306,7 @@ struct ResourceResponseData {
+@@ -303,6 +308,7 @@ struct ResourceResponseData {
          , httpStatusText(WTFMove(httpStatusText))
          , httpVersion(WTFMove(httpVersion))
          , httpHeaderFields(WTFMove(httpHeaderFields))
@@ -8148,7 +7990,7 @@ index 95c24f85913c09bdf2e7b9e6c4e308d9528b06af..d6da8d829b0f40a9f234429aa97c5bd0
          , networkLoadMetrics(WTFMove(networkLoadMetrics))
          , source(source)
          , type(type)
-@@ -323,6 +329,7 @@ struct ResourceResponseData {
+@@ -325,6 +331,7 @@ struct ResourceResponseData {
      String httpStatusText;
      String httpVersion;
      HTTPHeaderMap httpHeaderFields;
@@ -8157,7 +7999,7 @@ index 95c24f85913c09bdf2e7b9e6c4e308d9528b06af..d6da8d829b0f40a9f234429aa97c5bd0
      ResourceResponseBase::Source source;
      ResourceResponseBase::Type type;
 diff --git a/Source/WebCore/platform/network/cocoa/NetworkStorageSessionCocoa.mm b/Source/WebCore/platform/network/cocoa/NetworkStorageSessionCocoa.mm
-index cac3c4ba93f274637a93e0a20a4a0828c9c1bb46..e9f310f158015ed7a14ef2eb06d1d4d3f96d067d 100644
+index b101c64297f845dd72c80a28893c6a3f4e4d8c05..72e289b9fbeb40f11c161b0c0b1b743e173cf849 100644
 --- a/Source/WebCore/platform/network/cocoa/NetworkStorageSessionCocoa.mm
 +++ b/Source/WebCore/platform/network/cocoa/NetworkStorageSessionCocoa.mm
 @@ -493,6 +493,22 @@ bool NetworkStorageSession::setCookieFromDOM(const URL& firstParty, const SameSi
@@ -8325,7 +8167,7 @@ index 09ab1320beacc41ae92399f3320aaf805d9d81d1..e1caf6e7ebd61151439a9c86350e5712
  {
      GUniquePtr<SoupCookie> targetCookie(cookie.toSoupCookie());
 diff --git a/Source/WebCore/platform/win/ClipboardUtilitiesWin.cpp b/Source/WebCore/platform/win/ClipboardUtilitiesWin.cpp
-index 71c773f4532b6670c4f29496cc8c4bd3093304b1..5876dfa98bb9cdb78d0de807d4408ae661c3f288 100644
+index fd2a8e09edb5e076d8c436c69c41660bcd4f312e..455e9c4881744a86fdeaf29ebe50b303f7535825 100644
 --- a/Source/WebCore/platform/win/ClipboardUtilitiesWin.cpp
 +++ b/Source/WebCore/platform/win/ClipboardUtilitiesWin.cpp
 @@ -40,6 +40,7 @@
@@ -8361,10 +8203,10 @@ index c3ffc7392c0b7fa099a7dd4e4be977cdee1c803c..9570dbb0f2c42ca38598a8898183c9b3
  HGLOBAL createGlobalData(const String&);
  HGLOBAL createGlobalData(const Vector<char>&);
 diff --git a/Source/WebCore/platform/win/DragDataWin.cpp b/Source/WebCore/platform/win/DragDataWin.cpp
-index 0379437d84807e4a8d3846afac5ec8a70e743e70..1ae19e2b755e99c9f4c3e6d5dc0e4f8b6ebe8ab3 100644
+index 0379437d84807e4a8d3846afac5ec8a70e743e70..5b0461bf12535d4900ffaddc2a87826280505233 100644
 --- a/Source/WebCore/platform/win/DragDataWin.cpp
 +++ b/Source/WebCore/platform/win/DragDataWin.cpp
-@@ -40,7 +40,7 @@
+@@ -40,12 +40,13 @@
  
  namespace WebCore {
  
@@ -8373,14 +8215,12 @@ index 0379437d84807e4a8d3846afac5ec8a70e743e70..1ae19e2b755e99c9f4c3e6d5dc0e4f8b
      : m_clientPosition(clientPosition)
      , m_globalPosition(globalPosition)
      , m_platformDragData(0)
-@@ -48,6 +48,7 @@ DragData::DragData(const DragDataMap& data, const IntPoint& clientPosition, cons
+     , m_draggingSourceOperationMask(sourceOperationMask)
      , m_applicationFlags(flags)
++    , m_dragDestinationActionMask(dragDestinationAction)
      , m_pageID(pageID)
      , m_dragDataMap(data)
-+    , m_dragDestinationActionMask(dragDestinationAction)
  {
- }
- 
 @@ -63,7 +64,7 @@ bool DragData::containsURL(FilenameConversionPolicy filenamePolicy) const
          || (filenamePolicy == ConvertFilenames && (m_dragDataMap.contains(filenameWFormat()->cfFormat) || m_dragDataMap.contains(filenameFormat()->cfFormat)));
  }
@@ -8415,10 +8255,10 @@ index d450bf9d0fd1f0bf8f28db483ac9d3d60fa9d114..72a59403a0b5493aea4a8e28eb15eac2
  
  OptionSet<PlatformEvent::Modifier> PlatformKeyboardEvent::currentStateOfModifierKeys()
 diff --git a/Source/WebCore/platform/win/PasteboardWin.cpp b/Source/WebCore/platform/win/PasteboardWin.cpp
-index 03e5dc0b6ff099c281c61f05b29cf155b96922af..9b4694bc816e0e62a37c57e64729f183baca9080 100644
+index ec0b9f28cd41d15acb6feaa2132f08afb8a92b6b..496f5ec6733e72c28a55a748983dd868a0ef863b 100644
 --- a/Source/WebCore/platform/win/PasteboardWin.cpp
 +++ b/Source/WebCore/platform/win/PasteboardWin.cpp
-@@ -1137,7 +1137,21 @@ void Pasteboard::writeCustomData(const Vector<PasteboardCustomData>& data)
+@@ -1138,7 +1138,21 @@ void Pasteboard::writeCustomData(const Vector<PasteboardCustomData>& data)
      }
  
      clear();
@@ -8440,7 +8280,7 @@ index 03e5dc0b6ff099c281c61f05b29cf155b96922af..9b4694bc816e0e62a37c57e64729f183
      if (::OpenClipboard(m_owner)) {
          const auto& customData = data.first();
          customData.forEachPlatformStringOrBuffer([](auto& type, auto& stringOrBuffer) {
-@@ -1176,4 +1190,25 @@ void Pasteboard::write(const Color&)
+@@ -1177,4 +1191,25 @@ void Pasteboard::write(const Color&)
  {
  }
  
@@ -8910,19 +8750,6 @@ index 0000000000000000000000000000000000000000..a76b583a1e65cd6999fab4784c22dd9c
 +};
 +
 +} // namespace WebCore
-diff --git a/Source/WebCore/rendering/AncestorSubgridIterator.cpp b/Source/WebCore/rendering/AncestorSubgridIterator.cpp
-index 4613cfc6af155593459f8af9c2bf4211a01383b9..209542305a8454da2f80691ab7759b0f62b32604 100644
---- a/Source/WebCore/rendering/AncestorSubgridIterator.cpp
-+++ b/Source/WebCore/rendering/AncestorSubgridIterator.cpp
-@@ -30,7 +30,7 @@
- 
- namespace WebCore {
- 
--AncestorSubgridIterator::AncestorSubgridIterator() = default;
-+AncestorSubgridIterator::AncestorSubgridIterator() { };
- 
- AncestorSubgridIterator::AncestorSubgridIterator(SingleThreadWeakPtr<RenderGrid> firstAncestorSubgrid, GridTrackSizingDirection direction)
-     : m_firstAncestorSubgrid(firstAncestorSubgrid)
 diff --git a/Source/WebCore/rendering/RenderTextControl.cpp b/Source/WebCore/rendering/RenderTextControl.cpp
 index 02afb718cfae6a4314ab704fbe6a70d88a530312..ed32870de0571317a6527d89a14a6a51b7acfd33 100644
 --- a/Source/WebCore/rendering/RenderTextControl.cpp
@@ -8943,7 +8770,7 @@ index 02afb718cfae6a4314ab704fbe6a70d88a530312..ed32870de0571317a6527d89a14a6a51
  {
      auto innerText = innerTextElement();
 diff --git a/Source/WebCore/rendering/RenderTextControl.h b/Source/WebCore/rendering/RenderTextControl.h
-index b55e0d2d78beb62a7efa08cf7d47e8a9ebad362d..352d12a72fa72479d70164ea130648d9c26ff05a 100644
+index 8ff886aec15c960e06408f638892579a6c3f4879..a5f8889818e456504c82a99994dcf4b21774b99d 100644
 --- a/Source/WebCore/rendering/RenderTextControl.h
 +++ b/Source/WebCore/rendering/RenderTextControl.h
 @@ -37,9 +37,9 @@ public:
@@ -8980,25 +8807,11 @@ index db95c8273bd0deb3f903a45d02fc07bbbd8ab305..bf88228b4c838b90d11d430cc9429d51
  
      WorkerOrWorkletGlobalScope& m_globalScope;
  };
-diff --git a/Source/WebKit/InspectorGResources.cmake b/Source/WebKit/InspectorGResources.cmake
-index b9c1f0ad55ef8ddf18e0314a6f4ad8b490e5b214..a1e3b60f8e74988b072eb8cbca201fd84a45b2bc 100644
---- a/Source/WebKit/InspectorGResources.cmake
-+++ b/Source/WebKit/InspectorGResources.cmake
-@@ -13,4 +13,9 @@ macro(WEBKIT_BUILD_INSPECTOR_GRESOURCES _derived_sources_dir _output_file)
-         SOURCE_XML    ${_derived_sources_dir}/InspectorGResourceBundle.xml
-         RESOURCE_DIRS ${_derived_sources_dir}/InspectorResources/WebInspectorUI
-     )
-+
-+    add_custom_target(${_output_file}
-+        ALL
-+        DEPENDS ${_derived_sources_dir}/${_output_file}
-+    )
- endmacro()
 diff --git a/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.cpp b/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.cpp
-index 298c215460d4c52d8d232e960bec52c2d05a9071..9c903e398c05e451df9131eae1d9a828cf2e6088 100644
+index c677a1dda62afcad62a41f1b8b8ff886ce7412ee..1df6de27593cab0e5f96c9d906a45f55003e1a66 100644
 --- a/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.cpp
 +++ b/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.cpp
-@@ -97,6 +97,8 @@
+@@ -96,6 +96,8 @@
  
  #if PLATFORM(COCOA)
  #include <wtf/OSObjectPtr.h>
@@ -9007,7 +8820,7 @@ index 298c215460d4c52d8d232e960bec52c2d05a9071..9c903e398c05e451df9131eae1d9a828
  #endif
  
  #if ENABLE(APPLE_PAY_REMOTE_UI)
-@@ -1109,6 +1111,14 @@ void NetworkConnectionToWebProcess::clearPageSpecificData(PageIdentifier pageID)
+@@ -1130,6 +1132,14 @@ void NetworkConnectionToWebProcess::clearPageSpecificData(PageIdentifier pageID)
          storageSession->clearPageSpecificDataForResourceLoadStatistics(pageID);
  }
  
@@ -9023,10 +8836,10 @@ index 298c215460d4c52d8d232e960bec52c2d05a9071..9c903e398c05e451df9131eae1d9a828
  {
      if (auto* storageSession = protectedNetworkProcess()->storageSession(m_sessionID))
 diff --git a/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.h b/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.h
-index 99a6472171acdf8ebffa29a86d69f47d8ea55d64..a95eb97d93656e78bad1a1d3450d3563886fc485 100644
+index 590065cea0e5ed1167f6f8fc1a747c2d32a23c01..2807fb69297332011f38b5c3a27973ca53754c0a 100644
 --- a/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.h
 +++ b/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.h
-@@ -366,6 +366,8 @@ private:
+@@ -374,6 +374,8 @@ private:
  
      void clearPageSpecificData(WebCore::PageIdentifier);
  
@@ -9036,10 +8849,10 @@ index 99a6472171acdf8ebffa29a86d69f47d8ea55d64..a95eb97d93656e78bad1a1d3450d3563
  
      void logUserInteraction(RegistrableDomain&&);
 diff --git a/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.messages.in b/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.messages.in
-index 9377d0c9381ec40342dc8bbe60e80781116b2d3c..b29b70264d0b5e9409e8467db75bc0a5a3febc5a 100644
+index c493d8e359dfdd393cee8ab77d25fc08e942ba77..4934c6b5038953ec1f1662b03400f6d1f8fec9d7 100644
 --- a/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.messages.in
 +++ b/Source/WebKit/NetworkProcess/NetworkConnectionToWebProcess.messages.in
-@@ -75,6 +75,8 @@ messages -> NetworkConnectionToWebProcess WantsDispatchMessage {
+@@ -79,6 +79,8 @@ messages -> NetworkConnectionToWebProcess WantsDispatchMessage {
  
      ClearPageSpecificData(WebCore::PageIdentifier pageID);
  
@@ -9049,10 +8862,10 @@ index 9377d0c9381ec40342dc8bbe60e80781116b2d3c..b29b70264d0b5e9409e8467db75bc0a5
      LogUserInteraction(WebCore::RegistrableDomain domain)
      ResourceLoadStatisticsUpdated(Vector<WebCore::ResourceLoadStatistics> statistics) -> ()
 diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.cpp b/Source/WebKit/NetworkProcess/NetworkProcess.cpp
-index 12b9f1488877b94e520f83191cd15b09836e9666..f65093ab8653a2f5c05a1c5a69f0f2b83d679e07 100644
+index 239ba1501c57b46b28f7e6442ae9a65935b7fcf0..819e8c69ddc28abbac2a82ced2c80ad41db9a1c3 100644
 --- a/Source/WebKit/NetworkProcess/NetworkProcess.cpp
 +++ b/Source/WebKit/NetworkProcess/NetworkProcess.cpp
-@@ -638,6 +638,12 @@ void NetworkProcess::registrableDomainsExemptFromWebsiteDataDeletion(PAL::Sessio
+@@ -648,6 +648,12 @@ void NetworkProcess::registrableDomainsExemptFromWebsiteDataDeletion(PAL::Sessio
      completionHandler({ });
  }
  
@@ -9066,18 +8879,10 @@ index 12b9f1488877b94e520f83191cd15b09836e9666..f65093ab8653a2f5c05a1c5a69f0f2b8
  {
      if (auto* session = networkSession(sessionID)) {
 diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.h b/Source/WebKit/NetworkProcess/NetworkProcess.h
-index dbc90242cd84de5ef39b404e0b9262fcdf7cd371..82c91b9edb72f4f48676d0e458448981e346917a 100644
+index a4ff8274229c85548135766cd1623d65813d9a12..6d500eeae356757850cfd55d62d6ec75ffe280d1 100644
 --- a/Source/WebKit/NetworkProcess/NetworkProcess.h
 +++ b/Source/WebKit/NetworkProcess/NetworkProcess.h
-@@ -33,6 +33,7 @@
- #include "DownloadManager.h"
- #include "NetworkContentRuleListManager.h"
- #include "QuotaIncreaseRequestIdentifier.h"
-+#include "StorageNamespaceIdentifier.h"
- #include "UseDownloadPlaceholder.h"
- #include "WebPageProxyIdentifier.h"
- #include "WebResourceLoadStatisticsStore.h"
-@@ -84,6 +85,7 @@ class SessionID;
+@@ -84,6 +84,7 @@ class SessionID;
  
  namespace WebCore {
  class CertificateInfo;
@@ -9085,7 +8890,7 @@ index dbc90242cd84de5ef39b404e0b9262fcdf7cd371..82c91b9edb72f4f48676d0e458448981
  class CurlProxySettings;
  class ProtectionSpace;
  class NetworkStorageSession;
-@@ -220,6 +222,9 @@ public:
+@@ -227,6 +228,9 @@ public:
  
      void registrableDomainsWithLastAccessedTime(PAL::SessionID, CompletionHandler<void(std::optional<HashMap<RegistrableDomain, WallTime>>)>&&);
      void registrableDomainsExemptFromWebsiteDataDeletion(PAL::SessionID, CompletionHandler<void(HashSet<RegistrableDomain>)>&&);
@@ -9096,7 +8901,7 @@ index dbc90242cd84de5ef39b404e0b9262fcdf7cd371..82c91b9edb72f4f48676d0e458448981
      void clearUserInteraction(PAL::SessionID, RegistrableDomain&&, CompletionHandler<void()>&&);
      void deleteAndRestrictWebsiteDataForRegistrableDomains(PAL::SessionID, OptionSet<WebsiteDataType>, RegistrableDomainsToDeleteOrRestrictWebsiteDataFor&&, CompletionHandler<void(HashSet<RegistrableDomain>&&)>&&);
 diff --git a/Source/WebKit/NetworkProcess/NetworkProcess.messages.in b/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
-index aa95d1cc6e90fd24d3dad3ff1b8052de66fc23f2..b57b6d72cd1d9bf34dc347750e2d2fb9d0111389 100644
+index 07286a774824c1ebab411668c173450aaa3d8db0..4a424aa025202517aa5392b969cfe50552628f14 100644
 --- a/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
 +++ b/Source/WebKit/NetworkProcess/NetworkProcess.messages.in
 @@ -85,6 +85,8 @@ messages -> NetworkProcess : AuxiliaryProcess WantsAsyncDispatchMessage {
@@ -9109,10 +8914,10 @@ index aa95d1cc6e90fd24d3dad3ff1b8052de66fc23f2..b57b6d72cd1d9bf34dc347750e2d2fb9
      ClearUserInteraction(PAL::SessionID sessionID, WebCore::RegistrableDomain resourceDomain) -> ()
      DumpResourceLoadStatistics(PAL::SessionID sessionID) -> (String dumpedStatistics)
 diff --git a/Source/WebKit/NetworkProcess/NetworkSession.h b/Source/WebKit/NetworkProcess/NetworkSession.h
-index 50b6499bcef54f3eeac6f3885e0e58783604100c..16b1fad0436fb307f524e3ae36e70043a3c6b168 100644
+index e04e1ab157e39b042af9a9a02866ad871264a496..7ba4f9bba80d8c8af7bb1a6383b36bb436ce26c4 100644
 --- a/Source/WebKit/NetworkProcess/NetworkSession.h
 +++ b/Source/WebKit/NetworkProcess/NetworkSession.h
-@@ -202,6 +202,9 @@ public:
+@@ -204,6 +204,9 @@ public:
  
      void lowMemoryHandler(WTF::Critical);
  
@@ -9122,7 +8927,7 @@ index 50b6499bcef54f3eeac6f3885e0e58783604100c..16b1fad0436fb307f524e3ae36e70043
      void removeSoftUpdateLoader(ServiceWorkerSoftUpdateLoader* loader) { m_softUpdateLoaders.remove(loader); }
      void addNavigationPreloaderTask(ServiceWorkerFetchTask&);
      ServiceWorkerFetchTask* navigationPreloaderTaskFromFetchIdentifier(WebCore::FetchIdentifier);
-@@ -317,6 +320,7 @@ protected:
+@@ -321,6 +324,7 @@ protected:
      bool m_privateClickMeasurementDebugModeEnabled { false };
      std::optional<WebCore::PrivateClickMeasurement> m_ephemeralMeasurement;
      bool m_isRunningEphemeralMeasurementTest { false };
@@ -9131,7 +8936,7 @@ index 50b6499bcef54f3eeac6f3885e0e58783604100c..16b1fad0436fb307f524e3ae36e70043
      HashSet<Ref<NetworkResourceLoader>> m_keptAliveLoads;
  
 diff --git a/Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm b/Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm
-index 70ba7cd36661a2500783052f04076888f92c0eea..8b26ac70f0daa99ba8800e5785d54e31457f17af 100644
+index 9525ea0ff6d7a3ae90ceb319a13600f682524c32..4461f24b5087cae6203b4c0f12db4edc0e2c2380 100644
 --- a/Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm
 +++ b/Source/WebKit/NetworkProcess/cocoa/NetworkSessionCocoa.mm
 @@ -772,6 +772,8 @@ - (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didRece
@@ -9158,7 +8963,7 @@ index 70ba7cd36661a2500783052f04076888f92c0eea..8b26ac70f0daa99ba8800e5785d54e31
  #if !LOG_DISABLED
              LOG(NetworkSession, "%llu didReceiveResponse completionHandler (%d)", taskIdentifier, policyAction);
 diff --git a/Source/WebKit/NetworkProcess/curl/NetworkDataTaskCurl.cpp b/Source/WebKit/NetworkProcess/curl/NetworkDataTaskCurl.cpp
-index 63ca8f8066acb3be4b4dc8350bcc712e535bdd38..3dc3657ac2dc8ab89f56acb0615dd571091821b4 100644
+index 1e1c7897c858ddd5a1c69a4d5942102f5649ef14..1d2a4835905018a39bc33488e9bc1450cb728179 100644
 --- a/Source/WebKit/NetworkProcess/curl/NetworkDataTaskCurl.cpp
 +++ b/Source/WebKit/NetworkProcess/curl/NetworkDataTaskCurl.cpp
 @@ -80,10 +80,18 @@ NetworkDataTaskCurl::NetworkDataTaskCurl(NetworkSession& session, NetworkDataTas
@@ -9229,16 +9034,16 @@ index 63ca8f8066acb3be4b4dc8350bcc712e535bdd38..3dc3657ac2dc8ab89f56acb0615dd571
  void NetworkDataTaskCurl::invokeDidReceiveResponse()
  {
      didReceiveResponse(ResourceResponse(m_response), NegotiatedLegacyTLS::No, PrivateRelayed::No, std::nullopt, [this, protectedThis = Ref { *this }](PolicyAction policyAction) {
-@@ -324,6 +363,8 @@ void NetworkDataTaskCurl::invokeDidReceiveResponse()
-             downloadPtr->didCreateDestination(m_pendingDownloadLocation);
+@@ -323,6 +362,8 @@ void NetworkDataTaskCurl::invokeDidReceiveResponse()
+             download->didCreateDestination(m_pendingDownloadLocation);
              if (m_curlRequest)
                  m_curlRequest->completeDidReceiveResponse();
 +            else if (firstRequest().url().protocolIsData())
-+                downloadDataURL(*downloadPtr);
++                downloadDataURL(download);
              break;
          }
          default:
-@@ -412,6 +453,8 @@ void NetworkDataTaskCurl::willPerformHTTPRedirection()
+@@ -411,6 +452,8 @@ void NetworkDataTaskCurl::willPerformHTTPRedirection()
              m_curlRequest->setUserPass(m_initialCredential.user(), m_initialCredential.password());
              m_curlRequest->setAuthenticationScheme(ProtectionSpace::AuthenticationScheme::HTTPBasic);
          }
@@ -9289,7 +9094,7 @@ index 0f7c70e405d00416c9e5e58f9c56423a4cf3947c..b730722c5bdb3949bedc1a578089bb3e
  
      bool m_blockingCookies { false };
 diff --git a/Source/WebKit/NetworkProcess/curl/NetworkSessionCurl.cpp b/Source/WebKit/NetworkProcess/curl/NetworkSessionCurl.cpp
-index 486849ef6f550a0f3caab311abf5743c6d38e5af..afeaac63a18d9e71d3afead23b7da4fecfc27544 100644
+index 49685c872d0fb042a401612201a7448af6f1ac8b..e98efc1c2e7e5a85980c8d39afcb600a1f6c5d23 100644
 --- a/Source/WebKit/NetworkProcess/curl/NetworkSessionCurl.cpp
 +++ b/Source/WebKit/NetworkProcess/curl/NetworkSessionCurl.cpp
 @@ -68,7 +68,7 @@ void NetworkSessionCurl::clearAlternativeServices(WallTime)
@@ -9302,7 +9107,7 @@ index 486849ef6f550a0f3caab311abf5743c6d38e5af..afeaac63a18d9e71d3afead23b7da4fe
  
  void NetworkSessionCurl::didReceiveChallenge(WebSocketTask& webSocketTask, WebCore::AuthenticationChallenge&& challenge, CompletionHandler<void(WebKit::AuthenticationChallengeDisposition, const WebCore::Credential&)>&& challengeCompletionHandler)
 diff --git a/Source/WebKit/NetworkProcess/curl/WebSocketTaskCurl.cpp b/Source/WebKit/NetworkProcess/curl/WebSocketTaskCurl.cpp
-index 06a8233cbe44e7dfe1515498d511db39091f1acc..00818acd28155d526707967a01146d00199f4aa4 100644
+index 57da1a448cc75e4a24f0a2b3e7159452da8da2df..f64b446e074cb58c36be5f68ccb07e4584a38a1f 100644
 --- a/Source/WebKit/NetworkProcess/curl/WebSocketTaskCurl.cpp
 +++ b/Source/WebKit/NetworkProcess/curl/WebSocketTaskCurl.cpp
 @@ -39,11 +39,12 @@
@@ -9325,10 +9130,10 @@ index 06a8233cbe44e7dfe1515498d511db39091f1acc..00818acd28155d526707967a01146d00
  
 -    m_streamID = m_scheduler.createStream(request.url(), *this, WebCore::CurlStream::ServerTrustEvaluation::Enable, localhostAlias);
 +    m_streamID = m_scheduler.createStream(request.url(), ignoreCertificateErrors, *this, WebCore::CurlStream::ServerTrustEvaluation::Enable, localhostAlias);
-     m_channel->didSendHandshakeRequest(WebCore::ResourceRequest(m_request));
+     channel.didSendHandshakeRequest(WebCore::ResourceRequest(m_request));
  }
  
-@@ -260,7 +261,7 @@ void WebSocketTask::tryServerTrustEvaluation(WebCore::AuthenticationChallenge&&
+@@ -265,7 +266,7 @@ void WebSocketTask::tryServerTrustEvaluation(WebCore::AuthenticationChallenge&&
              if (networkSession() && networkSession()->networkProcess().localhostAliasesForTesting().contains<StringViewHashTranslator>(m_request.url().host()))
                  localhostAlias = WebCore::CurlStream::LocalhostAlias::Enable;
  
@@ -9338,19 +9143,19 @@ index 06a8233cbe44e7dfe1515498d511db39091f1acc..00818acd28155d526707967a01146d00
              didFail(WTFMove(errorReason));
      });
 diff --git a/Source/WebKit/NetworkProcess/curl/WebSocketTaskCurl.h b/Source/WebKit/NetworkProcess/curl/WebSocketTaskCurl.h
-index 0072cb40252b35ab54d8693562ee66a4c7ef6f45..2a44ad16131c80ee74bbb79a110ef16be9ab0765 100644
+index 70c88bf553159e26e63c6dc735ae2bb4358df698..967b2c849206784efe3b0d9a2364cd3e7600b1f9 100644
 --- a/Source/WebKit/NetworkProcess/curl/WebSocketTaskCurl.h
 +++ b/Source/WebKit/NetworkProcess/curl/WebSocketTaskCurl.h
-@@ -59,7 +59,7 @@ struct SessionSet;
- class WebSocketTask : public CanMakeWeakPtr<WebSocketTask>, public WebCore::CurlStream::Client {
+@@ -55,7 +55,7 @@ class WebSocketTask : public CanMakeWeakPtr<WebSocketTask>, public CanMakeChecke
      WTF_MAKE_TZONE_ALLOCATED(WebSocketTask);
+     WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(WebSocketTask);
  public:
 -    WebSocketTask(NetworkSocketChannel&, WebPageProxyIdentifier, const WebCore::ResourceRequest&, const String& protocol, const WebCore::ClientOrigin&);
 +    WebSocketTask(NetworkSocketChannel&, WebPageProxyIdentifier, const WebCore::ResourceRequest&, const String& protocol,  bool ignoreCertificateErrors, const WebCore::ClientOrigin&);
      virtual ~WebSocketTask();
  
      void sendString(std::span<const uint8_t>, CompletionHandler<void()>&&);
-@@ -112,6 +112,7 @@ private:
+@@ -110,6 +110,7 @@ private:
      WebPageProxyIdentifier m_webProxyPageID;
      WebCore::ResourceRequest m_request;
      String m_protocol;
@@ -9378,7 +9183,7 @@ index a6d86f1388e8cae7c3939d1ecffb2c46eb5054c5..9e11224335211908fe8bf14edc4c22e9
  ;; Except deny access to new-style iOS Keychain folders which are UUIDs.
  (deny file-read* file-write*
 diff --git a/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.cpp b/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.cpp
-index 73b2b6b95706f735badf6235225a31926bfcca66..39cfe910a3cde500a41259be60ac2e6e32fdb82e 100644
+index d781f70f2c31ff5631773684893a40d738bd9856..6270cfd7707a190f123b9750a31162fbc64c3086 100644
 --- a/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.cpp
 +++ b/Source/WebKit/NetworkProcess/soup/NetworkDataTaskSoup.cpp
 @@ -461,6 +461,8 @@ void NetworkDataTaskSoup::didSendRequest(GRefPtr<GInputStream>&& inputStream)
@@ -9438,23 +9243,11 @@ index 599c405513ee38c74da12c01dafc23c6ece86aa0..5af7dc9306d211a5cff1736013716b08
  #endif
      }
  
-diff --git a/Source/WebKit/Platform/IPC/MessageSender.h b/Source/WebKit/Platform/IPC/MessageSender.h
-index 214f41901fa6648d281da7e1129ae888f0b2c510..30081fb3bd783ef8cbfee1dcea4ffe5f8786eedc 100644
---- a/Source/WebKit/Platform/IPC/MessageSender.h
-+++ b/Source/WebKit/Platform/IPC/MessageSender.h
-@@ -27,6 +27,7 @@
- 
- #include <optional>
- #include <wtf/Forward.h>
-+#include <optional>
- 
- namespace IPC {
- 
 diff --git a/Source/WebKit/PlatformGTK.cmake b/Source/WebKit/PlatformGTK.cmake
-index efbb4cdb0f382c1a917062c63727036e00723be1..8a9e53def5166e9a6afa983a1ed84634bb092ec0 100644
+index 232378e3be5e4e1b4bdd9f97a722f518f8fdec33..fed6a3de75b889fa90e18cb95300ceecb3e80d40 100644
 --- a/Source/WebKit/PlatformGTK.cmake
 +++ b/Source/WebKit/PlatformGTK.cmake
-@@ -329,6 +329,9 @@ list(APPEND WebKit_SYSTEM_INCLUDE_DIRECTORIES
+@@ -327,6 +327,9 @@ list(APPEND WebKit_SYSTEM_INCLUDE_DIRECTORIES
      ${GSTREAMER_PBUTILS_INCLUDE_DIRS}
      ${GTK_INCLUDE_DIRS}
      ${LIBSOUP_INCLUDE_DIRS}
@@ -9464,7 +9257,7 @@ index efbb4cdb0f382c1a917062c63727036e00723be1..8a9e53def5166e9a6afa983a1ed84634
  )
  
  list(APPEND WebKit_INTERFACE_INCLUDE_DIRECTORIES
-@@ -359,6 +362,9 @@ if (USE_LIBWEBRTC)
+@@ -363,6 +366,9 @@ if (USE_LIBWEBRTC)
      list(APPEND WebKit_SYSTEM_INCLUDE_DIRECTORIES
          "${THIRDPARTY_DIR}/libwebrtc/Source/"
          "${THIRDPARTY_DIR}/libwebrtc/Source/webrtc"
@@ -9474,7 +9267,7 @@ index efbb4cdb0f382c1a917062c63727036e00723be1..8a9e53def5166e9a6afa983a1ed84634
      )
  endif ()
  
-@@ -410,6 +416,12 @@ else ()
+@@ -414,6 +420,12 @@ else ()
      set(WebKitGTK_ENUM_HEADER_TEMPLATE ${WEBKIT_DIR}/UIProcess/API/gtk/WebKitEnumTypesGtk3.h.in)
  endif ()
  
@@ -9488,7 +9281,7 @@ index efbb4cdb0f382c1a917062c63727036e00723be1..8a9e53def5166e9a6afa983a1ed84634
  set(WebKitGTK_ENUM_GENERATION_HEADERS ${WebKitGTK_INSTALLED_HEADERS})
  list(REMOVE_ITEM WebKitGTK_ENUM_GENERATION_HEADERS ${WebKitGTK_DERIVED_SOURCES_DIR}/webkit/WebKitEnumTypes.h)
 diff --git a/Source/WebKit/PlatformWPE.cmake b/Source/WebKit/PlatformWPE.cmake
-index e1d7d2a9e635c753459db079170ef5385dc1a637..28fbd58183e126f73a9f3ccbaa682ae3593f1e79 100644
+index 3c5bdcf25c6f9c0c86d0c4550d5dc7486f99d703..259fce0cf15b4263148f6f6da59161001875b465 100644
 --- a/Source/WebKit/PlatformWPE.cmake
 +++ b/Source/WebKit/PlatformWPE.cmake
 @@ -117,6 +117,8 @@ list(APPEND WebKit_SERIALIZATION_IN_FILES
@@ -9508,7 +9301,7 @@ index e1d7d2a9e635c753459db079170ef5385dc1a637..28fbd58183e126f73a9f3ccbaa682ae3
  )
  
  if (ENABLE_2022_GLIB_API)
-@@ -432,7 +435,16 @@ list(APPEND WebKit_SYSTEM_INCLUDE_DIRECTORIES
+@@ -430,7 +433,16 @@ list(APPEND WebKit_SYSTEM_INCLUDE_DIRECTORIES
      ${GIO_UNIX_INCLUDE_DIRS}
      ${GLIB_INCLUDE_DIRS}
      ${LIBSOUP_INCLUDE_DIRS}
@@ -9526,10 +9319,10 @@ index e1d7d2a9e635c753459db079170ef5385dc1a637..28fbd58183e126f73a9f3ccbaa682ae3
  list(APPEND WebKit_LIBRARIES
      WPE::libwpe
 diff --git a/Source/WebKit/PlatformWin.cmake b/Source/WebKit/PlatformWin.cmake
-index 7da9a409b65a577566f143a26a9717d4ba687a3c..711b5e1c4c82dfdf9ac6139a6de0785d29c1cc20 100644
+index d68c315379e227e41722991651c1c1285194bad6..401aa471b17032bf3fb3f3de8bc14f14fd304719 100644
 --- a/Source/WebKit/PlatformWin.cmake
 +++ b/Source/WebKit/PlatformWin.cmake
-@@ -56,8 +56,13 @@ list(APPEND WebKit_SOURCES
+@@ -55,8 +55,13 @@ list(APPEND WebKit_SOURCES
      UIProcess/WebsiteData/win/WebsiteDataStoreWin.cpp
  
      UIProcess/win/AutomationClientWin.cpp
@@ -9543,7 +9336,7 @@ index 7da9a409b65a577566f143a26a9717d4ba687a3c..711b5e1c4c82dfdf9ac6139a6de0785d
      UIProcess/win/WebPageProxyWin.cpp
      UIProcess/win/WebPopupMenuProxyWin.cpp
      UIProcess/win/WebProcessPoolWin.cpp
-@@ -73,6 +78,7 @@ list(APPEND WebKit_SOURCES
+@@ -72,6 +77,7 @@ list(APPEND WebKit_SOURCES
      WebProcess/MediaCache/WebMediaKeyStorageManager.cpp
  
      WebProcess/WebCoreSupport/win/WebPopupMenuWin.cpp
@@ -9551,7 +9344,7 @@ index 7da9a409b65a577566f143a26a9717d4ba687a3c..711b5e1c4c82dfdf9ac6139a6de0785d
  
      WebProcess/WebPage/AcceleratedSurface.cpp
  
-@@ -121,8 +127,81 @@ list(APPEND WebKit_PUBLIC_FRAMEWORK_HEADERS
+@@ -117,8 +123,81 @@ list(APPEND WebKit_PUBLIC_FRAMEWORK_HEADERS
  
  list(APPEND WebKit_PRIVATE_LIBRARIES
      comctl32
@@ -9633,26 +9426,14 @@ index 7da9a409b65a577566f143a26a9717d4ba687a3c..711b5e1c4c82dfdf9ac6139a6de0785d
  list(APPEND WebProcess_SOURCES
      WebProcess/EntryPoint/win/WebProcessMain.cpp
  
-diff --git a/Source/WebKit/Shared/API/c/wpe/WebKit.h b/Source/WebKit/Shared/API/c/wpe/WebKit.h
-index a9aa21f5589dec453db1713c8846e0d2e687f552..9b94469d078d92e4b9e0c8149122b19a4d3b5307 100644
---- a/Source/WebKit/Shared/API/c/wpe/WebKit.h
-+++ b/Source/WebKit/Shared/API/c/wpe/WebKit.h
-@@ -76,6 +76,7 @@
- // From Source/WebKit/UIProcess/API/C
- #include <WebKit/WKBackForwardListItemRef.h>
- #include <WebKit/WKBackForwardListRef.h>
-+#include <WebKit/WKBrowserInspector.h>
- #include <WebKit/WKContext.h>
- #include <WebKit/WKContextConfigurationRef.h>
- #include <WebKit/WKCredential.h>
 diff --git a/Source/WebKit/Shared/AuxiliaryProcess.h b/Source/WebKit/Shared/AuxiliaryProcess.h
-index 33eb250f82068c481176be8e1ba6f9bc935f544a..519be7021eb53e3a6f18953ff004218e13f0819c 100644
+index 4510beb0b7403138abef4c9b5e892271fe8beaab..dae8f31ef187d7b086dd84d7e356839dc2811154 100644
 --- a/Source/WebKit/Shared/AuxiliaryProcess.h
 +++ b/Source/WebKit/Shared/AuxiliaryProcess.h
-@@ -214,6 +214,11 @@ struct AuxiliaryProcessInitializationParameters {
- #if PLATFORM(COCOA)
-     SDKAlignedBehaviors clientSDKAlignedBehaviors;
- #endif
+@@ -212,6 +212,11 @@ struct AuxiliaryProcessInitializationParameters {
+     IPC::Connection::Identifier connectionIdentifier;
+     HashMap<String, String> extraInitializationData;
+     WTF::AuxiliaryProcessType processType;
 +// Playwright begin
 +#if !PLATFORM(COCOA)
 +    bool shouldEnableSharedArrayBuffer { false };
@@ -9661,18 +9442,6 @@ index 33eb250f82068c481176be8e1ba6f9bc935f544a..519be7021eb53e3a6f18953ff004218e
  };
  
  } // namespace WebKit
-diff --git a/Source/WebKit/Shared/Cocoa/CompletionHandlerCallChecker.h b/Source/WebKit/Shared/Cocoa/CompletionHandlerCallChecker.h
-index b09b17a5bff38e3ba8d6bb53da9ef09d229bdb61..46aa1caa93402711a08f5980387a957f783038e5 100644
---- a/Source/WebKit/Shared/Cocoa/CompletionHandlerCallChecker.h
-+++ b/Source/WebKit/Shared/Cocoa/CompletionHandlerCallChecker.h
-@@ -27,6 +27,7 @@
- 
- #import <wtf/Forward.h>
- #import <wtf/ThreadSafeRefCounted.h>
-+#import <WebCore/LocalFrame.h>
- 
- namespace WebKit {
- 
 diff --git a/Source/WebKit/Shared/NativeWebKeyboardEvent.h b/Source/WebKit/Shared/NativeWebKeyboardEvent.h
 index c72c9733800b6f836c4d3ccb0b50d40c3ee83067..e2955ddebe388d886ca43d733dce0eb58256ce8b 100644
 --- a/Source/WebKit/Shared/NativeWebKeyboardEvent.h
@@ -9777,10 +9546,10 @@ index ea1eb9f00feaaecf73bdddc37c904e88f43bfa85..8a631e5293a11abd650958baad4e9678
  #endif
  };
 diff --git a/Source/WebKit/Shared/WebCoreArgumentCoders.serialization.in b/Source/WebKit/Shared/WebCoreArgumentCoders.serialization.in
-index 13f2e0158846e32155fc0ee9e9639f66d96e0f3f..3e8be3a130075a67c07fa192e788b24dab997480 100644
+index 309c0b92bc4fbd53ba15c0f334f753a4ba5d4416..d6c03e6ff85c8107d8ba58b69572a85019dd91d9 100644
 --- a/Source/WebKit/Shared/WebCoreArgumentCoders.serialization.in
 +++ b/Source/WebKit/Shared/WebCoreArgumentCoders.serialization.in
-@@ -2752,6 +2752,9 @@ class WebCore::AuthenticationChallenge {
+@@ -2769,6 +2769,9 @@ class WebCore::AuthenticationChallenge {
  class WebCore::DragData {
  #if PLATFORM(COCOA)
      String pasteboardName();
@@ -9790,7 +9559,7 @@ index 13f2e0158846e32155fc0ee9e9639f66d96e0f3f..3e8be3a130075a67c07fa192e788b24d
  #endif
      WebCore::IntPoint clientPosition();
      WebCore::IntPoint globalPosition();
-@@ -3311,6 +3314,7 @@ enum class WebCore::WasPrivateRelayed : bool;
+@@ -3567,6 +3570,7 @@ enum class WebCore::WasPrivateRelayed : bool;
      String httpStatusText;
      String httpVersion;
      WebCore::HTTPHeaderMap httpHeaderFields;
@@ -9799,10 +9568,10 @@ index 13f2e0158846e32155fc0ee9e9639f66d96e0f3f..3e8be3a130075a67c07fa192e788b24d
      WebCore::ResourceResponseBase::Source source;
      WebCore::ResourceResponseBase::Type type;
 diff --git a/Source/WebKit/Shared/WebKeyboardEvent.cpp b/Source/WebKit/Shared/WebKeyboardEvent.cpp
-index b80bcb39473ecec86be5671f38698130bd9acbf3..d886cbac5f4c073e14e12f257fa920419ea0cf39 100644
+index 8040819bba9dcde87311aaafe7d8177d0e07281d..24972c0a357324d27910ae6ff1979d1c6b8bc758 100644
 --- a/Source/WebKit/Shared/WebKeyboardEvent.cpp
 +++ b/Source/WebKit/Shared/WebKeyboardEvent.cpp
-@@ -52,6 +52,24 @@ WebKeyboardEvent::WebKeyboardEvent(WebEvent&& event, const String& text, const S
+@@ -51,6 +51,24 @@ WebKeyboardEvent::WebKeyboardEvent(WebEvent&& event, const String& text, const S
      ASSERT(isKeyboardEventType(type()));
  }
  
@@ -9827,7 +9596,7 @@ index b80bcb39473ecec86be5671f38698130bd9acbf3..d886cbac5f4c073e14e12f257fa92041
  #elif PLATFORM(GTK)
  
  WebKeyboardEvent::WebKeyboardEvent(WebEvent&& event, const String& text, const String& key, const String& code, const String& keyIdentifier, int windowsVirtualKeyCode, int nativeVirtualKeyCode, bool handledByInputMethod, std::optional<Vector<WebCore::CompositionUnderline>>&& preeditUnderlines, std::optional<EditingRange>&& preeditSelectionRange, Vector<String>&& commands, bool isAutoRepeat, bool isKeypad)
-@@ -75,6 +93,24 @@ WebKeyboardEvent::WebKeyboardEvent(WebEvent&& event, const String& text, const S
+@@ -74,6 +92,24 @@ WebKeyboardEvent::WebKeyboardEvent(WebEvent&& event, const String& text, const S
      ASSERT(isKeyboardEventType(type()));
  }
  
@@ -9852,7 +9621,7 @@ index b80bcb39473ecec86be5671f38698130bd9acbf3..d886cbac5f4c073e14e12f257fa92041
  #elif PLATFORM(IOS_FAMILY)
  
  WebKeyboardEvent::WebKeyboardEvent(WebEvent&& event, const String& text, const String& unmodifiedText, const String& key, const String& code, const String& keyIdentifier, int windowsVirtualKeyCode, int nativeVirtualKeyCode, int macCharCode, bool handledByInputMethod, bool isAutoRepeat, bool isKeypad, bool isSystemKey)
-@@ -138,6 +174,27 @@ WebKeyboardEvent::WebKeyboardEvent(WebEvent&& event, const String& text, const S
+@@ -137,6 +173,27 @@ WebKeyboardEvent::WebKeyboardEvent(WebEvent&& event, const String& text, const S
  
  #endif
  
@@ -9916,10 +9685,10 @@ index fd4722dd38df74f259d8add02025549022a0a205..e1c33f6d766707170935b3e77e81098c
      void setPosition(const WebCore::IntPoint& position) { m_position = position; }
      const WebCore::IntPoint& globalPosition() const { return m_globalPosition; }
 diff --git a/Source/WebKit/Shared/WebPageCreationParameters.h b/Source/WebKit/Shared/WebPageCreationParameters.h
-index a75ea6985662cfb232a4910189191759a20f34b9..6e5fc673484ce3ca9750bb8a7dd56d6f704b7b66 100644
+index 4fe4a84a939e46607a2871fcbdd96b1357573915..4eb0e10f4c079cf3bc7e94f6c02afd09ffe5015c 100644
 --- a/Source/WebKit/Shared/WebPageCreationParameters.h
 +++ b/Source/WebKit/Shared/WebPageCreationParameters.h
-@@ -306,6 +306,8 @@ struct WebPageCreationParameters {
+@@ -303,6 +303,8 @@ struct WebPageCreationParameters {
      
      bool httpsUpgradeEnabled { true };
  
@@ -9929,10 +9698,10 @@ index a75ea6985662cfb232a4910189191759a20f34b9..6e5fc673484ce3ca9750bb8a7dd56d6f
      bool allowsDeprecatedSynchronousXMLHttpRequestDuringUnload { false };
  #endif
 diff --git a/Source/WebKit/Shared/WebPageCreationParameters.serialization.in b/Source/WebKit/Shared/WebPageCreationParameters.serialization.in
-index 2c3fc666d67714ab966a9b991ed2eccc45cf1ff1..929ee387024355c40333ae7e12d7155688299e32 100644
+index b819a2ee2af4b6d3e6eeabecf6ef770eaf988bbe..e43123a99d7c2fff6ea2875001631f2b52aa70c0 100644
 --- a/Source/WebKit/Shared/WebPageCreationParameters.serialization.in
 +++ b/Source/WebKit/Shared/WebPageCreationParameters.serialization.in
-@@ -230,6 +230,8 @@ enum class WebCore::UserInterfaceLayoutDirection : bool;
+@@ -227,6 +227,8 @@ enum class WebCore::UserInterfaceLayoutDirection : bool;
  
      bool httpsUpgradeEnabled;
  
@@ -9941,6 +9710,28 @@ index 2c3fc666d67714ab966a9b991ed2eccc45cf1ff1..929ee387024355c40333ae7e12d71556
  #if PLATFORM(IOS) || PLATFORM(VISION)
      bool allowsDeprecatedSynchronousXMLHttpRequestDuringUnload;
  #endif
+diff --git a/Source/WebKit/Shared/glib/ProcessExecutablePathGLib.cpp b/Source/WebKit/Shared/glib/ProcessExecutablePathGLib.cpp
+index 40d482a1860598391363027e63b010b3ce32b014..e654ae5e7c54b788badd463b1f2b653160d0370e 100644
+--- a/Source/WebKit/Shared/glib/ProcessExecutablePathGLib.cpp
++++ b/Source/WebKit/Shared/glib/ProcessExecutablePathGLib.cpp
+@@ -32,7 +32,7 @@
+ 
+ namespace WebKit {
+ 
+-#if ENABLE(DEVELOPER_MODE)
++#if TRUE
+ static String getExecutablePath()
+ {
+     CString executablePath = FileSystem::currentExecutablePath();
+@@ -44,7 +44,7 @@ static String getExecutablePath()
+ 
+ static String findWebKitProcess(const char* processName)
+ {
+-#if ENABLE(DEVELOPER_MODE)
++#if TRUE
+     static const char* execDirectory = g_getenv("WEBKIT_EXEC_PATH");
+     if (execDirectory) {
+         String processPath = FileSystem::pathByAppendingComponent(FileSystem::stringFromFileSystemRepresentation(execDirectory), StringView::fromLatin1(processName));
 diff --git a/Source/WebKit/Shared/gtk/NativeWebKeyboardEventGtk.cpp b/Source/WebKit/Shared/gtk/NativeWebKeyboardEventGtk.cpp
 index 8d33ceb065fb3e90372b0c696779189d07838da0..6e3194c3e96e46bfa09f8d706324e6515df1e7f4 100644
 --- a/Source/WebKit/Shared/gtk/NativeWebKeyboardEventGtk.cpp
@@ -10012,10 +9803,10 @@ index 0000000000000000000000000000000000000000..f4f09d171ebf9774b3f8744751d220d3
 +    bool canSmartReplace()
 +}
 diff --git a/Source/WebKit/Shared/unix/AuxiliaryProcessMain.cpp b/Source/WebKit/Shared/unix/AuxiliaryProcessMain.cpp
-index ce942ed6ce6bfda002e94c81633d56b2464c129d..0db4d7e6ab7f584b18d923f1ece6b498be1d463d 100644
+index b00e6ecd0deb54eed0c2f05ba54c75a37383a90e..df085b96df4c8f5c1cb8cc25db20d019ad20f67e 100644
 --- a/Source/WebKit/Shared/unix/AuxiliaryProcessMain.cpp
 +++ b/Source/WebKit/Shared/unix/AuxiliaryProcessMain.cpp
-@@ -44,6 +44,15 @@
+@@ -40,6 +40,15 @@
  
  namespace WebKit {
  
@@ -10031,8 +9822,8 @@ index ce942ed6ce6bfda002e94c81633d56b2464c129d..0db4d7e6ab7f584b18d923f1ece6b498
  AuxiliaryProcessMainCommon::AuxiliaryProcessMainCommon()
  {
  #if ENABLE(BREAKPAD)
-@@ -97,6 +106,10 @@ bool AuxiliaryProcessMainCommon::parseCommandLine(int argc, char** argv)
-         JSC::Config::configureForTesting();
+@@ -94,6 +103,10 @@ WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
+     }
  #endif
  
 +// Playwright begin
@@ -10043,13 +9834,13 @@ index ce942ed6ce6bfda002e94c81633d56b2464c129d..0db4d7e6ab7f584b18d923f1ece6b498
  }
  
 diff --git a/Source/WebKit/Shared/win/AuxiliaryProcessMainWin.cpp b/Source/WebKit/Shared/win/AuxiliaryProcessMainWin.cpp
-index 7fd5cbb0fec93a2f305a6d41f14946ec6dae778e..4332ec81e0d24928000483b3e554e385ee3b9ff1 100644
+index 9edb5fbcd103cd8d1b224dfd60ac88aabe9626d2..9ed392ae3809f8bda92a2765ffadc643f23fe856 100644
 --- a/Source/WebKit/Shared/win/AuxiliaryProcessMainWin.cpp
 +++ b/Source/WebKit/Shared/win/AuxiliaryProcessMainWin.cpp
 @@ -41,6 +41,10 @@ bool AuxiliaryProcessMainCommon::parseCommandLine(int argc, char** argv)
              m_parameters.connectionIdentifier = IPC::Connection::Identifier { reinterpret_cast<HANDLE>(parseIntegerAllowingTrailingJunk<uint64_t>(StringView::fromLatin1(argv[++i])).value_or(0)) };
          else if (!strcmp(argv[i], "-processIdentifier") && i + 1 < argc)
-             m_parameters.processIdentifier = LegacyNullableObjectIdentifier<WebCore::ProcessIdentifierType>(parseIntegerAllowingTrailingJunk<uint64_t>(StringView::fromLatin1(argv[++i])).value_or(0));
+             m_parameters.processIdentifier = ObjectIdentifier<WebCore::ProcessIdentifierType>(parseIntegerAllowingTrailingJunk<uint64_t>(StringView::fromLatin1(argv[++i])).value_or(0));
 +// Playwright begin
 +        else if (!strcmp(argv[i], "-enable-shared-array-buffer"))
 +            m_parameters.shouldEnableSharedArrayBuffer = true;
@@ -10058,7 +9849,7 @@ index 7fd5cbb0fec93a2f305a6d41f14946ec6dae778e..4332ec81e0d24928000483b3e554e385
              JSC::Config::configureForTesting();
          else if (!strcmp(argv[i], "-disable-jit"))
 diff --git a/Source/WebKit/Shared/win/WebEventFactory.cpp b/Source/WebKit/Shared/win/WebEventFactory.cpp
-index 4d418e2bd7f970bc5bfebceb88adb172e5eb8540..8a58380d830f9a8aec3b4240d9c8cf7e65eaccdc 100644
+index a1044685ff596361f14f418a1d1f0b133dee385a..2916a6f8e0c370b860ea45106c34d8dd82547f93 100644
 --- a/Source/WebKit/Shared/win/WebEventFactory.cpp
 +++ b/Source/WebKit/Shared/win/WebEventFactory.cpp
 @@ -484,7 +484,7 @@ WebKeyboardEvent WebEventFactory::createWebKeyboardEvent(HWND hwnd, UINT message
@@ -10071,10 +9862,10 @@ index 4d418e2bd7f970bc5bfebceb88adb172e5eb8540..8a58380d830f9a8aec3b4240d9c8cf7e
  #endif // ENABLE(TOUCH_EVENTS)
  
 diff --git a/Source/WebKit/Sources.txt b/Source/WebKit/Sources.txt
-index e1914a5393ae2e099fd9fc70d46cb4f1ad2a9aee..3918547200acc80c76a4c55136d28295c60a4217 100644
+index 3fd56653a93792ebde4b607e1f7157d5aa95b933..06108563862ca29350a62ba3ddf5186bd702706a 100644
 --- a/Source/WebKit/Sources.txt
 +++ b/Source/WebKit/Sources.txt
-@@ -385,6 +385,7 @@ Shared/XR/XRDeviceProxy.cpp
+@@ -384,6 +384,7 @@ Shared/XR/XRDeviceProxy.cpp
  UIProcess/AuxiliaryProcessProxy.cpp
  UIProcess/BackgroundProcessResponsivenessTimer.cpp
  UIProcess/BrowsingContextGroup.cpp
@@ -10082,7 +9873,7 @@ index e1914a5393ae2e099fd9fc70d46cb4f1ad2a9aee..3918547200acc80c76a4c55136d28295
  UIProcess/DeviceIdHashSaltStorage.cpp
  UIProcess/DisplayLink.cpp
  UIProcess/DisplayLinkProcessProxyClient.cpp
-@@ -394,16 +395,20 @@ UIProcess/FrameLoadState.cpp
+@@ -393,16 +394,20 @@ UIProcess/FrameLoadState.cpp
  UIProcess/FrameProcess.cpp
  UIProcess/GeolocationPermissionRequestManagerProxy.cpp
  UIProcess/GeolocationPermissionRequestProxy.cpp
@@ -10103,7 +9894,7 @@ index e1914a5393ae2e099fd9fc70d46cb4f1ad2a9aee..3918547200acc80c76a4c55136d28295
  UIProcess/RemotePageDrawingAreaProxy.cpp
  UIProcess/RemotePageProxy.cpp
  UIProcess/ResponsivenessTimer.cpp
-@@ -445,6 +450,8 @@ UIProcess/WebOpenPanelResultListenerProxy.cpp
+@@ -444,6 +449,8 @@ UIProcess/WebOpenPanelResultListenerProxy.cpp
  UIProcess/WebPageDiagnosticLoggingClient.cpp
  UIProcess/WebPageGroup.cpp
  UIProcess/WebPageInjectedBundleClient.cpp
@@ -10125,10 +9916,10 @@ index e1914a5393ae2e099fd9fc70d46cb4f1ad2a9aee..3918547200acc80c76a4c55136d28295
  UIProcess/Media/AudioSessionRoutingArbitratorProxy.cpp
  UIProcess/Media/MediaUsageManager.cpp
 diff --git a/Source/WebKit/SourcesCocoa.txt b/Source/WebKit/SourcesCocoa.txt
-index 747fe6c2c1f8d8058ad4ecf3a671f80f5da60d78..1767179349cda6228a3dc7fc25e64b969e9a9668 100644
+index 691526c0539d33e3bf69a84d26eb24b1f5d8202a..1e195cc3f2fa96059f3293ce3aca9ad5d1a55258 100644
 --- a/Source/WebKit/SourcesCocoa.txt
 +++ b/Source/WebKit/SourcesCocoa.txt
-@@ -267,6 +267,7 @@ UIProcess/API/Cocoa/_WKArchiveExclusionRule.mm
+@@ -269,6 +269,7 @@ UIProcess/API/Cocoa/_WKArchiveExclusionRule.mm
  UIProcess/API/Cocoa/_WKAttachment.mm
  UIProcess/API/Cocoa/_WKAutomationSession.mm
  UIProcess/API/Cocoa/_WKAutomationSessionConfiguration.mm
@@ -10136,7 +9927,7 @@ index 747fe6c2c1f8d8058ad4ecf3a671f80f5da60d78..1767179349cda6228a3dc7fc25e64b96
  UIProcess/API/Cocoa/_WKContentRuleListAction.mm
  UIProcess/API/Cocoa/_WKContextMenuElementInfo.mm
  UIProcess/API/Cocoa/_WKCustomHeaderFields.mm @no-unify
-@@ -457,6 +458,7 @@ UIProcess/Inspector/ios/WKInspectorHighlightView.mm
+@@ -463,6 +464,7 @@ UIProcess/Inspector/ios/WKInspectorHighlightView.mm
  UIProcess/Inspector/ios/WKInspectorNodeSearchGestureRecognizer.mm
  
  UIProcess/Inspector/mac/RemoteWebInspectorUIProxyMac.mm
@@ -10145,10 +9936,10 @@ index 747fe6c2c1f8d8058ad4ecf3a671f80f5da60d78..1767179349cda6228a3dc7fc25e64b96
  UIProcess/Inspector/mac/WKInspectorResourceURLSchemeHandler.mm
  UIProcess/Inspector/mac/WKInspectorViewController.mm
 diff --git a/Source/WebKit/SourcesGTK.txt b/Source/WebKit/SourcesGTK.txt
-index e193244e152b0c7ca76ecfd3b761412e80e0019a..e557aa325075828ccb94cc2cd62d10751847c4ef 100644
+index d72fbeaf135545416a2997d557fd0bead76dc486..a68862ac8f44c4a54d39483af518b99071a85c0f 100644
 --- a/Source/WebKit/SourcesGTK.txt
 +++ b/Source/WebKit/SourcesGTK.txt
-@@ -130,6 +130,7 @@ UIProcess/API/glib/WebKitAutomationSession.cpp @no-unify
+@@ -122,6 +122,7 @@ UIProcess/API/glib/WebKitAutomationSession.cpp @no-unify
  UIProcess/API/glib/WebKitBackForwardList.cpp @no-unify
  UIProcess/API/glib/WebKitBackForwardListItem.cpp @no-unify
  UIProcess/API/glib/WebKitClipboardPermissionRequest.cpp @no-unify
@@ -10156,15 +9947,15 @@ index e193244e152b0c7ca76ecfd3b761412e80e0019a..e557aa325075828ccb94cc2cd62d1075
  UIProcess/API/glib/WebKitContextMenuClient.cpp @no-unify
  UIProcess/API/glib/WebKitCookieManager.cpp @no-unify
  UIProcess/API/glib/WebKitCredential.cpp @no-unify
-@@ -259,6 +260,7 @@ UIProcess/glib/DisplayVBlankMonitor.cpp
+@@ -251,6 +252,7 @@ UIProcess/glib/DisplayVBlankMonitor.cpp
  UIProcess/glib/DisplayVBlankMonitorDRM.cpp
  UIProcess/glib/DisplayVBlankMonitorTimer.cpp
  UIProcess/glib/FenceMonitor.cpp
 +UIProcess/glib/InspectorPlaywrightAgentClientGLib.cpp
  UIProcess/glib/ScreenManager.cpp
- UIProcess/glib/SystemSettingsManager.cpp
+ UIProcess/glib/SystemSettingsManagerProxy.cpp
  UIProcess/glib/WebPageProxyGLib.cpp
-@@ -277,6 +279,7 @@ UIProcess/gtk/DisplayX11.cpp @no-unify
+@@ -269,6 +271,7 @@ UIProcess/gtk/DisplayX11.cpp @no-unify
  UIProcess/gtk/DisplayWayland.cpp @no-unify
  UIProcess/gtk/WebDateTimePickerGtk.cpp
  UIProcess/gtk/HardwareAccelerationManager.cpp
@@ -10172,7 +9963,7 @@ index e193244e152b0c7ca76ecfd3b761412e80e0019a..e557aa325075828ccb94cc2cd62d1075
  UIProcess/gtk/KeyBindingTranslator.cpp
  UIProcess/gtk/PointerLockManager.cpp @no-unify
  UIProcess/gtk/PointerLockManagerWayland.cpp @no-unify
-@@ -290,6 +293,8 @@ UIProcess/gtk/ViewGestureControllerGtk.cpp
+@@ -282,6 +285,8 @@ UIProcess/gtk/ViewGestureControllerGtk.cpp
  UIProcess/gtk/WebColorPickerGtk.cpp
  UIProcess/gtk/WebContextMenuProxyGtk.cpp
  UIProcess/gtk/WebDataListSuggestionsDropdownGtk.cpp
@@ -10182,10 +9973,10 @@ index e193244e152b0c7ca76ecfd3b761412e80e0019a..e557aa325075828ccb94cc2cd62d1075
  UIProcess/gtk/WebPasteboardProxyGtk.cpp
  UIProcess/gtk/WebPopupMenuProxyGtk.cpp
 diff --git a/Source/WebKit/SourcesWPE.txt b/Source/WebKit/SourcesWPE.txt
-index a5952c5ba4380b03bc418ce33332ad3d9a3dc372..ca966a925647e37cc00f74b704957e270600a4e2 100644
+index f655188213595d7e990faa208258486a8e721bb1..88f81226b302ea9b190b3d72576992746531a882 100644
 --- a/Source/WebKit/SourcesWPE.txt
 +++ b/Source/WebKit/SourcesWPE.txt
-@@ -132,6 +132,7 @@ UIProcess/API/glib/WebKitAuthenticationRequest.cpp @no-unify
+@@ -124,6 +124,7 @@ UIProcess/API/glib/WebKitAuthenticationRequest.cpp @no-unify
  UIProcess/API/glib/WebKitAutomationSession.cpp @no-unify
  UIProcess/API/glib/WebKitBackForwardList.cpp @no-unify
  UIProcess/API/glib/WebKitBackForwardListItem.cpp @no-unify
@@ -10193,7 +9984,7 @@ index a5952c5ba4380b03bc418ce33332ad3d9a3dc372..ca966a925647e37cc00f74b704957e27
  UIProcess/API/glib/WebKitContextMenuClient.cpp @no-unify
  UIProcess/API/glib/WebKitCookieManager.cpp @no-unify
  UIProcess/API/glib/WebKitCredential.cpp @no-unify
-@@ -165,6 +166,7 @@ UIProcess/API/glib/WebKitOptionMenu.cpp @no-unify
+@@ -157,6 +158,7 @@ UIProcess/API/glib/WebKitOptionMenu.cpp @no-unify
  UIProcess/API/glib/WebKitOptionMenuItem.cpp @no-unify
  UIProcess/API/glib/WebKitPermissionRequest.cpp @no-unify
  UIProcess/API/glib/WebKitPermissionStateQuery.cpp @no-unify
@@ -10201,7 +9992,7 @@ index a5952c5ba4380b03bc418ce33332ad3d9a3dc372..ca966a925647e37cc00f74b704957e27
  UIProcess/API/glib/WebKitPolicyDecision.cpp @no-unify
  UIProcess/API/glib/WebKitPrivate.cpp @no-unify
  UIProcess/API/glib/WebKitProtocolHandler.cpp @no-unify
-@@ -201,6 +203,7 @@ UIProcess/API/soup/HTTPCookieStoreSoup.cpp
+@@ -193,6 +195,7 @@ UIProcess/API/soup/HTTPCookieStoreSoup.cpp
  UIProcess/API/wpe/InputMethodFilterWPE.cpp @no-unify
  UIProcess/API/wpe/PageClientImpl.cpp @no-unify
  UIProcess/API/wpe/WebKitColor.cpp @no-unify
@@ -10209,20 +10000,21 @@ index a5952c5ba4380b03bc418ce33332ad3d9a3dc372..ca966a925647e37cc00f74b704957e27
  UIProcess/API/wpe/WebKitInputMethodContextWPE.cpp @no-unify
  UIProcess/API/wpe/WebKitInputMethodContextImplWPE.cpp @no-unify
  UIProcess/API/wpe/WebKitPopupMenu.cpp @no-unify
-@@ -229,6 +232,7 @@ UIProcess/glib/DisplayVBlankMonitor.cpp
+@@ -221,6 +224,7 @@ UIProcess/glib/DisplayVBlankMonitor.cpp
  UIProcess/glib/DisplayVBlankMonitorDRM.cpp
  UIProcess/glib/DisplayVBlankMonitorTimer.cpp
  UIProcess/glib/FenceMonitor.cpp
 +UIProcess/glib/InspectorPlaywrightAgentClientGLib.cpp
  UIProcess/glib/ScreenManager.cpp
- UIProcess/glib/SystemSettingsManager.cpp
+ UIProcess/glib/SystemSettingsManagerProxy.cpp
  UIProcess/glib/WebPageProxyGLib.cpp
-@@ -262,7 +266,12 @@ UIProcess/linux/MemoryPressureMonitor.cpp
+@@ -254,8 +258,13 @@ UIProcess/linux/MemoryPressureMonitor.cpp
  UIProcess/soup/WebProcessPoolSoup.cpp
  
  UIProcess/wpe/AcceleratedBackingStoreDMABuf.cpp
 +UIProcess/wpe/InspectorTargetProxyWPE.cpp
  UIProcess/wpe/ScreenManagerWPE.cpp
+ UIProcess/wpe/SystemSettingsManagerProxyWPE.cpp
 +UIProcess/wpe/WebColorPickerWPE.cpp
 +UIProcess/wpe/WebDateTimePickerWPE.cpp
 +UIProcess/wpe/WebPageInspectorEmulationAgentWPE.cpp
@@ -10230,7 +10022,7 @@ index a5952c5ba4380b03bc418ce33332ad3d9a3dc372..ca966a925647e37cc00f74b704957e27
  UIProcess/wpe/WebPageProxyWPE.cpp
  UIProcess/wpe/WebPreferencesWPE.cpp
  
-@@ -289,6 +298,8 @@ WebProcess/WebCoreSupport/glib/WebEditorClientGLib.cpp
+@@ -282,6 +291,8 @@ WebProcess/WebCoreSupport/glib/WebEditorClientGLib.cpp
  
  WebProcess/WebCoreSupport/soup/WebFrameNetworkingContext.cpp
  
@@ -10239,8 +10031,47 @@ index a5952c5ba4380b03bc418ce33332ad3d9a3dc372..ca966a925647e37cc00f74b704957e27
  WebProcess/WebCoreSupport/wpe/WebEditorClientWPE.cpp
  
  WebProcess/WebPage/AcceleratedSurface.cpp
+diff --git a/Source/WebKit/UIProcess/API/APIPageConfiguration.cpp b/Source/WebKit/UIProcess/API/APIPageConfiguration.cpp
+index c1a03ab72d496d65b1036a7227ad0e23d896f89f..a17ffd445f3070e579aa11fac24dca881585903b 100644
+--- a/Source/WebKit/UIProcess/API/APIPageConfiguration.cpp
++++ b/Source/WebKit/UIProcess/API/APIPageConfiguration.cpp
+@@ -255,6 +255,11 @@ WebPageProxy* PageConfiguration::relatedPage() const
+     return m_data.relatedPage.get();
+ }
+ 
++WebKit::WebPageProxy* PageConfiguration::openerPageForInspector() const
++{
++    return m_data.openerPageForInspector.get();
++}
++
+ WebPageProxy* PageConfiguration::pageToCloneSessionStorageFrom() const
+ {
+     return m_data.pageToCloneSessionStorageFrom.get();
+diff --git a/Source/WebKit/UIProcess/API/APIPageConfiguration.h b/Source/WebKit/UIProcess/API/APIPageConfiguration.h
+index 8e7d7abc63f5740a0ad05c811470bd476219c93f..0c16acfa885b2d648c58ebf14f2babd5547d6571 100644
+--- a/Source/WebKit/UIProcess/API/APIPageConfiguration.h
++++ b/Source/WebKit/UIProcess/API/APIPageConfiguration.h
+@@ -155,6 +155,10 @@ public:
+     WebKit::WebPageProxy* relatedPage() const;
+     void setRelatedPage(WeakPtr<WebKit::WebPageProxy>&& relatedPage) { m_data.relatedPage = WTFMove(relatedPage); }
+ 
++    // This is similar to relatedPage(), but it is also set for noopener links.
++    WebKit::WebPageProxy* openerPageForInspector() const;
++    void setOpenerPageForInspector(WeakPtr<WebKit::WebPageProxy>&& openerPageForInspector) { m_data.openerPageForInspector = WTFMove(openerPageForInspector); }
++
+     WebKit::WebPageProxy* pageToCloneSessionStorageFrom() const;
+     void setPageToCloneSessionStorageFrom(WeakPtr<WebKit::WebPageProxy>&&);
+ 
+@@ -510,6 +514,7 @@ private:
+ #endif
+         RefPtr<WebKit::WebPageGroup> pageGroup;
+         WeakPtr<WebKit::WebPageProxy> relatedPage;
++        WeakPtr<WebKit::WebPageProxy> openerPageForInspector;
+         std::optional<OpenerInfo> openerInfo;
+         WebCore::Site openedSite;
+         WTF::String openedMainFrameName;
 diff --git a/Source/WebKit/UIProcess/API/APIProcessPoolConfiguration.cpp b/Source/WebKit/UIProcess/API/APIProcessPoolConfiguration.cpp
-index d561c07ae53a60c6503a355ed620bc289a2220ae..b950ac5190d8d05c66718c545c76d53d45cfff9d 100644
+index a08bd7c99393d04b0b377e404196bc2fda008038..9943de5d16474cf9a506f7c2b0daf555abdfc9cf 100644
 --- a/Source/WebKit/UIProcess/API/APIProcessPoolConfiguration.cpp
 +++ b/Source/WebKit/UIProcess/API/APIProcessPoolConfiguration.cpp
 @@ -52,6 +52,10 @@ Ref<ProcessPoolConfiguration> ProcessPoolConfiguration::copy()
@@ -10255,7 +10086,7 @@ index d561c07ae53a60c6503a355ed620bc289a2220ae..b950ac5190d8d05c66718c545c76d53d
      copy->m_shouldTakeUIBackgroundAssertion = this->m_shouldTakeUIBackgroundAssertion;
      copy->m_shouldCaptureDisplayInUIProcess = this->m_shouldCaptureDisplayInUIProcess;
 diff --git a/Source/WebKit/UIProcess/API/APIProcessPoolConfiguration.h b/Source/WebKit/UIProcess/API/APIProcessPoolConfiguration.h
-index 32ef9bd308e520f5ac7173639c8b23ea91cde037..7a80553c2d91b9236f563fa1b76aa8a50b8545ba 100644
+index 1dd06677f5b6712abce52103c0209ef46a25ed77..869c2a1eec2797cd7fabee4ed7949cefb47ca361 100644
 --- a/Source/WebKit/UIProcess/API/APIProcessPoolConfiguration.h
 +++ b/Source/WebKit/UIProcess/API/APIProcessPoolConfiguration.h
 @@ -96,6 +96,16 @@ public:
@@ -10275,7 +10106,7 @@ index 32ef9bd308e520f5ac7173639c8b23ea91cde037..7a80553c2d91b9236f563fa1b76aa8a5
      bool alwaysRunsAtBackgroundPriority() const { return m_alwaysRunsAtBackgroundPriority; }
      void setAlwaysRunsAtBackgroundPriority(bool alwaysRunsAtBackgroundPriority) { m_alwaysRunsAtBackgroundPriority = alwaysRunsAtBackgroundPriority; }
  
-@@ -173,6 +183,10 @@ private:
+@@ -178,6 +188,10 @@ private:
      bool m_ignoreSynchronousMessagingTimeoutsForTesting { false };
      bool m_attrStyleEnabled { false };
      bool m_shouldThrowExceptionForGlobalConstantRedeclaration { true };
@@ -10286,21 +10117,8 @@ index 32ef9bd308e520f5ac7173639c8b23ea91cde037..7a80553c2d91b9236f563fa1b76aa8a5
      bool m_alwaysRunsAtBackgroundPriority { false };
      bool m_shouldTakeUIBackgroundAssertion { true };
      bool m_shouldCaptureDisplayInUIProcess { DEFAULT_CAPTURE_DISPLAY_IN_UI_PROCESS };
-diff --git a/Source/WebKit/UIProcess/API/APITargetedElementRequest.h b/Source/WebKit/UIProcess/API/APITargetedElementRequest.h
-index 47e2ab76c6dc7ed92cd953f1462e6f4bd149e1d7..e70efd325dd229a207e1790cbf75954189ee87f6 100644
---- a/Source/WebKit/UIProcess/API/APITargetedElementRequest.h
-+++ b/Source/WebKit/UIProcess/API/APITargetedElementRequest.h
-@@ -34,7 +34,7 @@ class WebPageProxy;
- 
- namespace API {
- 
--class TargetedElementRequest final : public ObjectImpl<Object::Type::TargetedElementRequest> {
-+class TargetedElementRequest final : public ObjectImpl<API::Object::Type::TargetedElementRequest> {
- public:
-     bool shouldIgnorePointerEventsNone() const { return m_request.shouldIgnorePointerEventsNone; }
-     void setShouldIgnorePointerEventsNone(bool value) { m_request.shouldIgnorePointerEventsNone = value; }
 diff --git a/Source/WebKit/UIProcess/API/APIUIClient.h b/Source/WebKit/UIProcess/API/APIUIClient.h
-index 6c81074a5b918563a68a549b21be1c970a395643..0a9e1809f65ef749870c17d61e426e222af5463a 100644
+index f7d8880ba2c010245a69e779f5a3d11f6af6b4e0..4ed7b422d72c8814aec0f1d9cbcf466dc464fe17 100644
 --- a/Source/WebKit/UIProcess/API/APIUIClient.h
 +++ b/Source/WebKit/UIProcess/API/APIUIClient.h
 @@ -116,6 +116,7 @@ public:
@@ -10355,10 +10173,10 @@ index 026121d114c5fcad84c1396be8d692625beaa3bd..edd6e5cae033124c589959a42522fde0
  }
  #endif
 diff --git a/Source/WebKit/UIProcess/API/C/WKPage.cpp b/Source/WebKit/UIProcess/API/C/WKPage.cpp
-index 01fa2b32627f99540d82009dad97b6dbe921b59f..c5eaffd5f2496215dc4d45bf415bf41d3e216901 100644
+index 048cd54f4b349d48d023f5532e4606f96340bfc2..562ad6fc0cfc3a7082ef19ab2bf592718bb16fa6 100644
 --- a/Source/WebKit/UIProcess/API/C/WKPage.cpp
 +++ b/Source/WebKit/UIProcess/API/C/WKPage.cpp
-@@ -1795,6 +1795,13 @@ void WKPageSetPageUIClient(WKPageRef pageRef, const WKPageUIClientBase* wkClient
+@@ -1800,6 +1800,13 @@ void WKPageSetPageUIClient(WKPageRef pageRef, const WKPageUIClientBase* wkClient
              completionHandler(String());
          }
  
@@ -10372,7 +10190,7 @@ index 01fa2b32627f99540d82009dad97b6dbe921b59f..c5eaffd5f2496215dc4d45bf415bf41d
          void setStatusText(WebPageProxy* page, const String& text) final
          {
              if (!m_client.setStatusText)
-@@ -1824,6 +1831,8 @@ void WKPageSetPageUIClient(WKPageRef pageRef, const WKPageUIClientBase* wkClient
+@@ -1829,6 +1836,8 @@ void WKPageSetPageUIClient(WKPageRef pageRef, const WKPageUIClientBase* wkClient
          {
              if (!m_client.didNotHandleKeyEvent)
                  return;
@@ -10442,10 +10260,10 @@ index 1484f064ec89ee8c25c35df9f0a4462896699415..0622f4d5fc9144b9059395d9d0730a4a
      // Version 15.
      WKPageDecidePolicyForSpeechRecognitionPermissionRequestCallback     decidePolicyForSpeechRecognitionPermissionRequest;
 diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKPreferences.mm b/Source/WebKit/UIProcess/API/Cocoa/WKPreferences.mm
-index 26c2e39dbc49f9435a94ae4825e2ac5def1b061f..3bdf9f44707a0edc4c82a0f77a943df772e83828 100644
+index 6625fbd43fe223d7be556283e43abd70bb664d5b..9bbd46a892af196c32636d622d959aef1b6d14b3 100644
 --- a/Source/WebKit/UIProcess/API/Cocoa/WKPreferences.mm
 +++ b/Source/WebKit/UIProcess/API/Cocoa/WKPreferences.mm
-@@ -702,6 +702,16 @@ - (void)_setMediaCaptureRequiresSecureConnection:(BOOL)requiresSecureConnection
+@@ -697,6 +697,16 @@ - (void)_setMediaCaptureRequiresSecureConnection:(BOOL)requiresSecureConnection
      _preferences->setMediaCaptureRequiresSecureConnection(requiresSecureConnection);
  }
  
@@ -10463,7 +10281,7 @@ index 26c2e39dbc49f9435a94ae4825e2ac5def1b061f..3bdf9f44707a0edc4c82a0f77a943df7
  {
      return _preferences->inactiveMediaCaptureStreamRepromptIntervalInMinutes();
 diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKPreferencesPrivate.h b/Source/WebKit/UIProcess/API/Cocoa/WKPreferencesPrivate.h
-index 39065a0262f7c1a4ce35ba7373105df0b5ef17ee..fbde5990b2d881b2aec01dd99482bbb77f74e7b4 100644
+index 07f25e73846777573709a8091fab19fe576e4282..e194073bc1a0dac8f2e2bf25f430c8624f2cb932 100644
 --- a/Source/WebKit/UIProcess/API/Cocoa/WKPreferencesPrivate.h
 +++ b/Source/WebKit/UIProcess/API/Cocoa/WKPreferencesPrivate.h
 @@ -119,6 +119,7 @@ typedef NS_ENUM(NSInteger, _WKPitchCorrectionAlgorithm) {
@@ -10475,7 +10293,7 @@ index 39065a0262f7c1a4ce35ba7373105df0b5ef17ee..fbde5990b2d881b2aec01dd99482bbb7
  @property (nonatomic, setter=_setICECandidateFilteringEnabled:) BOOL _iceCandidateFilteringEnabled WK_API_AVAILABLE(macos(10.13.4), ios(11.3));
  @property (nonatomic, setter=_setInactiveMediaCaptureStreamRepromptIntervalInMinutes:) double _inactiveMediaCaptureStreamRepromptIntervalInMinutes WK_API_AVAILABLE(macos(10.13.4), ios(11.3));
 diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKUIDelegate.h b/Source/WebKit/UIProcess/API/Cocoa/WKUIDelegate.h
-index ca205ac38f92e95c24830d30657d093afd22f02b..aeaf6335ab9fc0590cd723e0c585677a014c4549 100644
+index 11fd07547370723575352866358867b5dddb8a61..8d59d73717325a92e3eb892384daf35d8eb3fb17 100644
 --- a/Source/WebKit/UIProcess/API/Cocoa/WKUIDelegate.h
 +++ b/Source/WebKit/UIProcess/API/Cocoa/WKUIDelegate.h
 @@ -149,6 +149,12 @@ WK_SWIFT_UI_ACTOR
@@ -10492,18 +10310,10 @@ index ca205ac38f92e95c24830d30657d093afd22f02b..aeaf6335ab9fc0590cd723e0c585677a
  /*! @abstract A delegate to request permission for microphone audio and camera video access.
   @param webView The web view invoking the delegate method.
 diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.h b/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.h
-index eff4cf557033561ab20762d93a58c2d71f5505f0..2fd5a2515c54d9edcab48fa3d993298fa3969648 100644
+index eff4cf557033561ab20762d93a58c2d71f5505f0..9418e2c51e50190dee2b5d7c854eacea8c5a4b76 100644
 --- a/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.h
 +++ b/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.h
-@@ -24,7 +24,6 @@
-  */
- 
- #import <WebKit/WKFoundation.h>
--
- #import <WebKit/WKWebsiteDataRecord.h>
- 
- #if __has_include(<Network/proxy_config.h>)
-@@ -126,6 +125,8 @@ WK_CLASS_AVAILABLE(macos(10.11), ios(9.0))
+@@ -126,6 +126,8 @@ WK_CLASS_AVAILABLE(macos(10.11), ios(9.0))
  #endif
  #endif
  
@@ -10513,7 +10323,7 @@ index eff4cf557033561ab20762d93a58c2d71f5505f0..2fd5a2515c54d9edcab48fa3d993298f
  
  NS_ASSUME_NONNULL_END
 diff --git a/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.mm b/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.mm
-index 211037030a86db642e99c3881488897cd2d8caa9..eb6fb610dd5db0a10f1d121f0d9519943b9d9c0b 100644
+index 233c902323f43300cbe7a4a0a02f6afdb8c9dc1c..5484a2101a984612c1bde529250ad75c3ebcdfd2 100644
 --- a/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.mm
 +++ b/Source/WebKit/UIProcess/API/Cocoa/WKWebsiteDataStore.mm
 @@ -55,6 +55,7 @@
@@ -10524,7 +10334,7 @@ index 211037030a86db642e99c3881488897cd2d8caa9..eb6fb610dd5db0a10f1d121f0d951994
  #import <WebCore/Credential.h>
  #import <WebCore/RegistrableDomain.h>
  #import <WebCore/ResourceResponse.h>
-@@ -489,6 +490,11 @@ - (void)removeDataOfTypes:(NSSet *)dataTypes modifiedSince:(NSDate *)date comple
+@@ -493,6 +494,11 @@ - (void)removeDataOfTypes:(NSSet *)dataTypes modifiedSince:(NSDate *)date comple
      });
  }
  
@@ -10664,7 +10474,7 @@ index 0000000000000000000000000000000000000000..69eb9c6aa30beb8ea21a0ef647e46304
 +}
 +@end
 diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h b/Source/WebKit/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h
-index 9eadc5f1a8c9b002ab96727a1fb472403a21cf24..f3ceaaa8a23690b77e01aed1ed532e3afccd866c 100644
+index 6b3a806a282b8de4af64b0db7d04215a4321c924..f437ed7c7c6c1492f110141861aa7feeb8096246 100644
 --- a/Source/WebKit/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h
 +++ b/Source/WebKit/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h
 @@ -67,6 +67,7 @@ WK_CLASS_AVAILABLE(macos(10.10), ios(8.0))
@@ -10676,7 +10486,7 @@ index 9eadc5f1a8c9b002ab96727a1fb472403a21cf24..f3ceaaa8a23690b77e01aed1ed532e3a
  @property (nonatomic) BOOL processSwapsOnNavigationWithinSameNonHTTPFamilyProtocol WK_API_AVAILABLE(macos(12.0), ios(15.0));
  @property (nonatomic) BOOL prewarmsProcessesAutomatically WK_API_AVAILABLE(macos(10.14.4), ios(12.2));
 diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm b/Source/WebKit/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm
-index df71be1e30c4a13fe9565d309c7bbfb82e049d06..8424a471e7841d300174aa54143578f8d18ad15f 100644
+index 56d52f9a7c6a893b598daacbfa6d491a7ed22460..83fee0d877594f20eade4b963c1fff08171838e7 100644
 --- a/Source/WebKit/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm
 +++ b/Source/WebKit/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm
 @@ -241,6 +241,16 @@ - (BOOL)processSwapsOnNavigation
@@ -10696,18 +10506,6 @@ index df71be1e30c4a13fe9565d309c7bbfb82e049d06..8424a471e7841d300174aa54143578f8
  - (void)setPrewarmsProcessesAutomatically:(BOOL)prewarms
  {
      _processPoolConfiguration->setIsAutomaticProcessWarmingEnabled(prewarms);
-diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKRemoteWebInspectorViewController.mm b/Source/WebKit/UIProcess/API/Cocoa/_WKRemoteWebInspectorViewController.mm
-index 041fc95fcabaa12ba65da4e8d3ee3e9253b8dff8..4506f3208b8a338fc1bcdae6e9f227f9434b8bda 100644
---- a/Source/WebKit/UIProcess/API/Cocoa/_WKRemoteWebInspectorViewController.mm
-+++ b/Source/WebKit/UIProcess/API/Cocoa/_WKRemoteWebInspectorViewController.mm
-@@ -24,6 +24,7 @@
-  */
- 
- #import "config.h"
-+#import "WKWebViewPrivate.h"
- #import "_WKRemoteWebInspectorViewControllerInternal.h"
- 
- #if PLATFORM(MAC)
 diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKUserStyleSheet.h b/Source/WebKit/UIProcess/API/Cocoa/_WKUserStyleSheet.h
 index 4974e14214e2bb3e982325b885bab33e54f83998..cacdf8c71fab248d38d2faf03f7affdcfed1ef62 100644
 --- a/Source/WebKit/UIProcess/API/Cocoa/_WKUserStyleSheet.h
@@ -10720,18 +10518,32 @@ index 4974e14214e2bb3e982325b885bab33e54f83998..cacdf8c71fab248d38d2faf03f7affdc
  
  typedef NS_ENUM(NSInteger, _WKUserStyleLevel) {
      _WKUserStyleUserLevel,
-diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKUserStyleSheet.mm b/Source/WebKit/UIProcess/API/Cocoa/_WKUserStyleSheet.mm
-index 8f7d300c449fd3323f3a47630a5b87835e7b2350..8b2b098f0bc8d9ad27654c33f616c0b73330573c 100644
---- a/Source/WebKit/UIProcess/API/Cocoa/_WKUserStyleSheet.mm
-+++ b/Source/WebKit/UIProcess/API/Cocoa/_WKUserStyleSheet.mm
-@@ -35,6 +35,7 @@
- #import "WebPageProxy.h"
- #import "_WKUserContentWorldInternal.h"
+diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKWebPushDaemonConnection.mm b/Source/WebKit/UIProcess/API/Cocoa/_WKWebPushDaemonConnection.mm
+index 0a6086b000eb61013e49ce0c1cc5a26ec275bdc2..261bb8828df3e282fd6c4a2fa8ec8684342465a2 100644
+--- a/Source/WebKit/UIProcess/API/Cocoa/_WKWebPushDaemonConnection.mm
++++ b/Source/WebKit/UIProcess/API/Cocoa/_WKWebPushDaemonConnection.mm
+@@ -32,6 +32,7 @@
+ #import "WKSecurityOriginInternal.h"
+ #import "WebPushDaemonConnectionConfiguration.h"
+ #import "_WKNotificationDataInternal.h"
++#import "_WKWebPushMessageInternal.h"
+ #import "_WKWebPushSubscriptionDataInternal.h"
+ #import <WebCore/ExceptionData.h>
+ #import <WebCore/PushPermissionState.h>
+diff --git a/Source/WebKit/UIProcess/API/Cocoa/_WKWebPushSubscriptionData.mm b/Source/WebKit/UIProcess/API/Cocoa/_WKWebPushSubscriptionData.mm
+index 0a78daba00961bf10564a0b53067960b71d8b61d..696408b77c82e205a134edf2ee17ff971af226f3 100644
+--- a/Source/WebKit/UIProcess/API/Cocoa/_WKWebPushSubscriptionData.mm
++++ b/Source/WebKit/UIProcess/API/Cocoa/_WKWebPushSubscriptionData.mm
+@@ -28,6 +28,9 @@
  #import <WebCore/WebCoreObjCExtras.h>
-+#import <WebKit/WKContentWorldInternal.h>
- #import <wtf/cocoa/VectorCocoa.h>
+ #import <wtf/cocoa/SpanCocoa.h>
  
- @implementation _WKUserStyleSheet
++#import <WebCore/WebCoreObjCExtras.h>
++#import <wtf/cocoa/SpanCocoa.h>
++
+ @implementation _WKWebPushSubscriptionData
+ 
+ - (void)dealloc
 diff --git a/Source/WebKit/UIProcess/API/glib/WebKitBrowserInspector.cpp b/Source/WebKit/UIProcess/API/glib/WebKitBrowserInspector.cpp
 new file mode 100644
 index 0000000000000000000000000000000000000000..575245fc1f279a75f7e74c26652cf772a2fc95b7
@@ -10935,10 +10747,10 @@ index 0000000000000000000000000000000000000000..e0b1da48465c850f541532ed961d1b77
 +WebKit::WebPageProxy* webkitBrowserInspectorCreateNewPageInContext(WebKitWebContext*);
 +void webkitBrowserInspectorQuitApplication();
 diff --git a/Source/WebKit/UIProcess/API/glib/WebKitUIClient.cpp b/Source/WebKit/UIProcess/API/glib/WebKitUIClient.cpp
-index bfc64d267c52ab6174bbde5c6f6471313ffbbd22..4110313841d5b4c8b944d52e24e76dac0710453d 100644
+index 9b6d8db85df969e609de036fac67374226ecd48e..2b293d5f24e562f06859432580f2cdfe40f8b9a6 100644
 --- a/Source/WebKit/UIProcess/API/glib/WebKitUIClient.cpp
 +++ b/Source/WebKit/UIProcess/API/glib/WebKitUIClient.cpp
-@@ -94,6 +94,10 @@ private:
+@@ -101,6 +101,10 @@ private:
          page.makeViewBlankIfUnpaintedSinceLastLoadCommit();
          webkitWebViewRunJavaScriptPrompt(m_webView, message.utf8(), defaultValue.utf8(), WTFMove(completionHandler));
      }
@@ -10950,10 +10762,10 @@ index bfc64d267c52ab6174bbde5c6f6471313ffbbd22..4110313841d5b4c8b944d52e24e76dac
      bool canRunBeforeUnloadConfirmPanel() const final { return true; }
  
 diff --git a/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp b/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
-index f34220b0e7629d4bbdf311f73ce7a1b4d7212e0a..b4940b7058022c73402e5ea76b4e592a295f5b84 100644
+index 49d382e0d469ca081754255feb71a70fca6acb13..2a5532502d0c34f1ad5e5d393ec12f52ad68ff7c 100644
 --- a/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
 +++ b/Source/WebKit/UIProcess/API/glib/WebKitWebContext.cpp
-@@ -421,10 +421,19 @@ static void webkitWebContextSetProperty(GObject* object, guint propID, const GVa
+@@ -422,10 +422,19 @@ static void webkitWebContextSetProperty(GObject* object, guint propID, const GVa
      }
  }
  
@@ -10973,7 +10785,7 @@ index f34220b0e7629d4bbdf311f73ce7a1b4d7212e0a..b4940b7058022c73402e5ea76b4e592a
      GUniquePtr<char> bundleFilename(g_build_filename(injectedBundleDirectory(), INJECTED_BUNDLE_FILENAME, nullptr));
  
      WebKitWebContext* webContext = WEBKIT_WEB_CONTEXT(object);
-@@ -483,6 +492,8 @@ static void webkitWebContextConstructed(GObject* object)
+@@ -484,6 +493,8 @@ static void webkitWebContextConstructed(GObject* object)
  
  static void webkitWebContextDispose(GObject* object)
  {
@@ -10982,7 +10794,7 @@ index f34220b0e7629d4bbdf311f73ce7a1b4d7212e0a..b4940b7058022c73402e5ea76b4e592a
      WebKitWebContextPrivate* priv = WEBKIT_WEB_CONTEXT(object)->priv;
      if (!priv->clientsDetached) {
          priv->clientsDetached = true;
-@@ -944,6 +955,11 @@ WebKitNetworkSession* webkit_web_context_get_network_session_for_automation(WebK
+@@ -945,6 +956,11 @@ WebKitNetworkSession* webkit_web_context_get_network_session_for_automation(WebK
      return nullptr;
  #endif
  }
@@ -10995,7 +10807,7 @@ index f34220b0e7629d4bbdf311f73ce7a1b4d7212e0a..b4940b7058022c73402e5ea76b4e592a
  /**
   * webkit_web_context_set_cache_model:
 diff --git a/Source/WebKit/UIProcess/API/glib/WebKitWebContext.h.in b/Source/WebKit/UIProcess/API/glib/WebKitWebContext.h.in
-index b8c2337af32ac3ce5be2b494f02c259392af994e..b1e4b2660fa30acad76888e2fe9bd50673a76549 100644
+index 15fe3e8e5652147ba54af266eda66b3962c074b9..d463fa78af375badb239c890da50ba1125e19de8 100644
 --- a/Source/WebKit/UIProcess/API/glib/WebKitWebContext.h.in
 +++ b/Source/WebKit/UIProcess/API/glib/WebKitWebContext.h.in
 @@ -161,6 +161,10 @@ webkit_web_context_set_automation_allowed           (WebKitWebContext
@@ -11019,10 +10831,10 @@ index c1945fbe717a42afc1f51d64a80c7de3fa9009ba..ab63fe19b00ecbd64c9421e6eecad3e2
  #endif
 +int webkitWebContextExistingCount();
 diff --git a/Source/WebKit/UIProcess/API/glib/WebKitWebView.cpp b/Source/WebKit/UIProcess/API/glib/WebKitWebView.cpp
-index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7fe389b8a7 100644
+index 8fcb4462e8f0f25dc07498e3e62e36ca21e04d9c..9470855f7b233049b1b3b10ee1a47690f502a8eb 100644
 --- a/Source/WebKit/UIProcess/API/glib/WebKitWebView.cpp
 +++ b/Source/WebKit/UIProcess/API/glib/WebKitWebView.cpp
-@@ -34,6 +34,7 @@
+@@ -35,6 +35,7 @@
  #include "WebContextMenuItem.h"
  #include "WebContextMenuItemData.h"
  #include "WebFrameProxy.h"
@@ -11030,23 +10842,7 @@ index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7f
  #include "WebKitAuthenticationRequestPrivate.h"
  #include "WebKitBackForwardListPrivate.h"
  #include "WebKitContextMenuClient.h"
-@@ -51,6 +52,7 @@
- #include "WebKitNavigationClient.h"
- #include "WebKitNotificationPrivate.h"
- #include "WebKitPermissionStateQueryPrivate.h"
-+#include "WebKitPointerLockPermissionRequest.h"
- #include "WebKitPrivate.h"
- #include "WebKitResponsePolicyDecision.h"
- #include "WebKitScriptDialogPrivate.h"
-@@ -91,7 +93,6 @@
- #if PLATFORM(GTK)
- #include "WebKitFaviconDatabasePrivate.h"
- #include "WebKitInputMethodContextImplGtk.h"
--#include "WebKitPointerLockPermissionRequest.h"
- #include "WebKitPrintOperationPrivate.h"
- #include "WebKitWebInspectorPrivate.h"
- #include "WebKitWebViewBasePrivate.h"
-@@ -147,6 +148,7 @@ enum {
+@@ -148,6 +149,7 @@ enum {
      CLOSE,
  
      SCRIPT_DIALOG,
@@ -11054,7 +10850,7 @@ index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7f
  
      DECIDE_POLICY,
      PERMISSION_REQUEST,
-@@ -507,6 +509,16 @@ GRefPtr<WebKitOptionMenu> WebKitWebViewClient::showOptionMenu(WebKitPopupMenu& p
+@@ -516,6 +518,16 @@ GRefPtr<WebKitOptionMenu> WebKitWebViewClient::showOptionMenu(WebKitPopupMenu& p
  
  void WebKitWebViewClient::frameDisplayed(WKWPE::View&)
  {
@@ -11071,7 +10867,7 @@ index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7f
      {
          SetForScope inFrameDisplayedGuard(m_webView->priv->inFrameDisplayed, true);
          for (const auto& callback : m_webView->priv->frameDisplayedCallbacks) {
-@@ -523,6 +535,18 @@ void WebKitWebViewClient::frameDisplayed(WKWPE::View&)
+@@ -532,6 +544,18 @@ void WebKitWebViewClient::frameDisplayed(WKWPE::View&)
      }
  }
  
@@ -11090,7 +10886,7 @@ index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7f
  void WebKitWebViewClient::willStartLoad(WKWPE::View&)
  {
      webkitWebViewWillStartLoad(m_webView);
-@@ -609,7 +633,7 @@ static gboolean webkitWebViewDecidePolicy(WebKitWebView*, WebKitPolicyDecision*
+@@ -618,7 +642,7 @@ static gboolean webkitWebViewDecidePolicy(WebKitWebView*, WebKitPolicyDecision*
  
  static gboolean webkitWebViewPermissionRequest(WebKitWebView*, WebKitPermissionRequest* request)
  {
@@ -11099,7 +10895,7 @@ index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7f
      if (WEBKIT_IS_POINTER_LOCK_PERMISSION_REQUEST(request)) {
          webkit_permission_request_allow(request);
          return TRUE;
-@@ -929,6 +953,10 @@ static void webkitWebViewConstructed(GObject* object)
+@@ -941,6 +965,10 @@ static void webkitWebViewConstructed(GObject* object)
          priv->websitePolicies = adoptGRef(webkit_website_policies_new());
  
      Ref configuration = priv->relatedView && priv->relatedView->priv->configurationForNextRelatedView ? priv->relatedView->priv->configurationForNextRelatedView.releaseNonNull() : webkitWebViewCreatePageConfiguration(webView);
@@ -11110,7 +10906,7 @@ index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7f
      webkitWebViewCreatePage(webView, WTFMove(configuration));
      webkitWebContextWebViewCreated(priv->context.get(), webView);
  
-@@ -1958,6 +1986,15 @@ static void webkit_web_view_class_init(WebKitWebViewClass* webViewClass)
+@@ -1980,6 +2008,15 @@ static void webkit_web_view_class_init(WebKitWebViewClass* webViewClass)
          G_TYPE_BOOLEAN, 1,
          WEBKIT_TYPE_SCRIPT_DIALOG);
  
@@ -11126,7 +10922,7 @@ index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7f
      /**
       * WebKitWebView::decide-policy:
       * @web_view: the #WebKitWebView on which the signal is emitted
-@@ -2750,6 +2787,23 @@ void webkitWebViewRunJavaScriptBeforeUnloadConfirm(WebKitWebView* webView, const
+@@ -2765,6 +2802,23 @@ void webkitWebViewRunJavaScriptBeforeUnloadConfirm(WebKitWebView* webView, const
      webkit_script_dialog_unref(webView->priv->currentScriptDialog);
  }
  
@@ -11151,7 +10947,7 @@ index 2d318375d33835ad78f75bd8169d9050ca850485..d607b8b2357c2b843b3654ccaa31fd7f
  {
      if (!webView->priv->currentScriptDialog)
 diff --git a/Source/WebKit/UIProcess/API/glib/WebKitWebViewPrivate.h b/Source/WebKit/UIProcess/API/glib/WebKitWebViewPrivate.h
-index 76f5b743cfe0a713897666545feb6fe07d6b16e8..4f13cca3cea9b20fbdb16cd5de0833832298d29a 100644
+index bf5b4c2bcca722e4d008f12194344c29c0db8824..ee6ee6b476ac28dee3a5983d03ba89ad0c9eb9ff 100644
 --- a/Source/WebKit/UIProcess/API/glib/WebKitWebViewPrivate.h
 +++ b/Source/WebKit/UIProcess/API/glib/WebKitWebViewPrivate.h
 @@ -64,6 +64,7 @@ void webkitWebViewRunJavaScriptAlert(WebKitWebView*, const CString& message, Fun
@@ -11175,10 +10971,10 @@ index 805f9f638c1630b5e9310494ae2970262de001cc..add3e80896c2e82bdd12cee15c8014bf
  #include <@API_INCLUDE_PREFIX@/WebKitClipboardPermissionRequest.h>
  #include <@API_INCLUDE_PREFIX@/WebKitColorChooserRequest.h>
 diff --git a/Source/WebKit/UIProcess/API/gtk/PageClientImpl.cpp b/Source/WebKit/UIProcess/API/gtk/PageClientImpl.cpp
-index 8deb2ea57ad6e55b79053d392ef43e6191e036f4..54f45f129acb3b83aaae11f7895c749d20c3ce9e 100644
+index ebd7d55886465375c70fb3265f6655fe43c62966..b5d2169c2b76474f12038727a66cf69e5ed23ebd 100644
 --- a/Source/WebKit/UIProcess/API/gtk/PageClientImpl.cpp
 +++ b/Source/WebKit/UIProcess/API/gtk/PageClientImpl.cpp
-@@ -273,6 +273,8 @@ void PageClientImpl::doneWithKeyEvent(const NativeWebKeyboardEvent& event, bool
+@@ -268,6 +268,8 @@ void PageClientImpl::doneWithKeyEvent(const NativeWebKeyboardEvent& event, bool
  {
      if (wasEventHandled || event.type() != WebEventType::KeyDown || !event.nativeEvent())
          return;
@@ -11187,7 +10983,7 @@ index 8deb2ea57ad6e55b79053d392ef43e6191e036f4..54f45f129acb3b83aaae11f7895c749d
  
      // Always consider arrow keys as handled, otherwise the GtkWindow key bindings will move the focus.
      guint keyval;
-@@ -371,9 +373,9 @@ void PageClientImpl::selectionDidChange()
+@@ -366,9 +368,9 @@ void PageClientImpl::selectionDidChange()
          webkitWebViewSelectionDidChange(WEBKIT_WEB_VIEW(m_viewWidget));
  }
  
@@ -11200,7 +10996,7 @@ index 8deb2ea57ad6e55b79053d392ef43e6191e036f4..54f45f129acb3b83aaae11f7895c749d
  
  void PageClientImpl::didChangeContentSize(const IntSize& size)
 diff --git a/Source/WebKit/UIProcess/API/gtk/PageClientImpl.h b/Source/WebKit/UIProcess/API/gtk/PageClientImpl.h
-index 56693a6cace9e41e6f353393303e36290de768fe..f28839fee5f3769d0cebf2836615d0c91fddfb76 100644
+index 536e66027bdcfec08e28503d3dd715e3c51a2c9f..2cfba18152fd87c10e1bb7630515a677799f1bbc 100644
 --- a/Source/WebKit/UIProcess/API/gtk/PageClientImpl.h
 +++ b/Source/WebKit/UIProcess/API/gtk/PageClientImpl.h
 @@ -109,7 +109,7 @@ private:
@@ -11313,10 +11109,10 @@ index 496079da90993ac37689b060b69ecd4a67c2b6a8..af30181ca922f16c0f6e245c70e5ce7d
  G_BEGIN_DECLS
  
 diff --git a/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp b/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp
-index 55efbd0732f7d74fc0702d012d13465686b9bfae..9efb28a02ddb82da4b7ae0868ec29e5ec95af6f1 100644
+index 4d4f62a1a5dfc153773c3fe7c37c4fd9c0cfa4b5..647fdfbf93889c966806d5f4285a1fc0724923cc 100644
 --- a/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp
 +++ b/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp
-@@ -2894,6 +2894,11 @@ void webkitWebViewBaseResetClickCounter(WebKitWebViewBase* webkitWebViewBase)
+@@ -2902,6 +2902,11 @@ void webkitWebViewBaseResetClickCounter(WebKitWebViewBase* webkitWebViewBase)
  #endif
  }
  
@@ -11328,7 +11124,7 @@ index 55efbd0732f7d74fc0702d012d13465686b9bfae..9efb28a02ddb82da4b7ae0868ec29e5e
  void webkitWebViewBaseEnterAcceleratedCompositingMode(WebKitWebViewBase* webkitWebViewBase, const LayerTreeContext& layerTreeContext)
  {
      ASSERT(webkitWebViewBase->priv->acceleratedBackingStore);
-@@ -2950,12 +2955,12 @@ void webkitWebViewBasePageClosed(WebKitWebViewBase* webkitWebViewBase)
+@@ -2958,12 +2963,12 @@ void webkitWebViewBasePageClosed(WebKitWebViewBase* webkitWebViewBase)
          webkitWebViewBase->priv->acceleratedBackingStore->update({ });
  }
  
@@ -11402,7 +11198,7 @@ index 7636ad733e7be66a74f8fede966b0acb905a5842..cf54287353d1e529c6765e3caf8d283a
      virtual void didChangePageID(WKWPE::View&) { }
      virtual void didReceiveUserMessage(WKWPE::View&, WebKit::UserMessage&&, CompletionHandler<void(WebKit::UserMessage&&)>&& completionHandler) { completionHandler(WebKit::UserMessage()); }
 diff --git a/Source/WebKit/UIProcess/API/wpe/PageClientImpl.cpp b/Source/WebKit/UIProcess/API/wpe/PageClientImpl.cpp
-index ee491999df7919658c48d8eb457577335d3c5b90..09b834a89f84fb6b37f059c2cc4cce98313817e2 100644
+index 97b321f1d8bb33175f963af0f6ffe741b50e28e6..d03085cbaad14e3ed88817bf5f26facbe9a24538 100644
 --- a/Source/WebKit/UIProcess/API/wpe/PageClientImpl.cpp
 +++ b/Source/WebKit/UIProcess/API/wpe/PageClientImpl.cpp
 @@ -34,9 +34,13 @@
@@ -11432,16 +11228,7 @@ index ee491999df7919658c48d8eb457577335d3c5b90..09b834a89f84fb6b37f059c2cc4cce98
  namespace WebKit {
  
  WTF_MAKE_TZONE_ALLOCATED_IMPL(PageClientImpl);
-@@ -212,7 +222,7 @@ WebCore::IntPoint PageClientImpl::accessibilityScreenToRootView(const WebCore::I
- 
- WebCore::IntRect PageClientImpl::rootViewToAccessibilityScreen(const WebCore::IntRect& rect)
- {
--    return rootViewToScreen(rect);    
-+    return rootViewToScreen(rect);
- }
- 
- void PageClientImpl::doneWithKeyEvent(const NativeWebKeyboardEvent&, bool)
-@@ -491,6 +501,64 @@ void PageClientImpl::selectionDidChange()
+@@ -487,6 +497,64 @@ void PageClientImpl::selectionDidChange()
      m_view.selectionDidChange();
  }
  
@@ -11506,7 +11293,7 @@ index ee491999df7919658c48d8eb457577335d3c5b90..09b834a89f84fb6b37f059c2cc4cce98
  WebKitWebResourceLoadManager* PageClientImpl::webResourceLoadManager()
  {
      return m_view.webResourceLoadManager();
-@@ -501,4 +569,23 @@ void PageClientImpl::callAfterNextPresentationUpdate(CompletionHandler<void()>&&
+@@ -497,4 +565,23 @@ void PageClientImpl::callAfterNextPresentationUpdate(CompletionHandler<void()>&&
      m_view.callAfterNextPresentationUpdate(WTFMove(callback));
  }
  
@@ -11517,7 +11304,7 @@ index ee491999df7919658c48d8eb457577335d3c5b90..09b834a89f84fb6b37f059c2cc4cce98
 +}
 +#endif
 +
-+RefPtr<WebColorPicker> PageClientImpl::createColorPicker(WebPageProxy* page, const WebCore::Color& color, const WebCore::IntRect& rect, Vector<WebCore::Color>&&)
++RefPtr<WebColorPicker> PageClientImpl::createColorPicker(WebPageProxy* page, const WebCore::Color& color, const WebCore::IntRect& rect, ColorControlSupportsAlpha, Vector<WebCore::Color>&&)
 +{
 +    return WebColorPickerWPE::create(*page, color, rect);
 +}
@@ -11531,10 +11318,10 @@ index ee491999df7919658c48d8eb457577335d3c5b90..09b834a89f84fb6b37f059c2cc4cce98
 +
  } // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/API/wpe/PageClientImpl.h b/Source/WebKit/UIProcess/API/wpe/PageClientImpl.h
-index 8397c722a45b279415f1648ad4673e99240089d9..41955881ad0db72ba0a27f4960330bb8dc237d2a 100644
+index 353515ae3a699d85314a924ba6fc4e9610ade23b..8a541023be8549e2c1fced51af6ed03dcd67fc6f 100644
 --- a/Source/WebKit/UIProcess/API/wpe/PageClientImpl.h
 +++ b/Source/WebKit/UIProcess/API/wpe/PageClientImpl.h
-@@ -171,9 +171,24 @@ private:
+@@ -170,9 +170,24 @@ private:
      void didChangeWebPageID() const override;
  
      void selectionDidChange() override;
@@ -11551,7 +11338,7 @@ index 8397c722a45b279415f1648ad4673e99240089d9..41955881ad0db72ba0a27f4960330bb8
 +#endif
 +
 +#if ENABLE(INPUT_TYPE_COLOR)
-+    RefPtr<WebColorPicker> createColorPicker(WebPageProxy*, const WebCore::Color& initialColor, const WebCore::IntRect&, Vector<WebCore::Color>&&) override;
++    RefPtr<WebColorPicker> createColorPicker(WebPageProxy*, const WebCore::Color& initialColor, const WebCore::IntRect&, ColorControlSupportsAlpha, Vector<WebCore::Color>&&) override;
 +#endif
 +#if ENABLE(DATE_AND_TIME_INPUT_TYPES)
 +    RefPtr<WebDateTimePicker> createDateTimePicker(WebPageProxy&) override;
@@ -11866,10 +11653,10 @@ index 2f1182cb91a00353eace0b71612df096391c2450..d71d7fc724b046fab41285bb8f390cb6
      void didChangePageID(WKWPE::View&) override;
      void didReceiveUserMessage(WKWPE::View&, WebKit::UserMessage&&, CompletionHandler<void(WebKit::UserMessage&&)>&&) override;
 diff --git a/Source/WebKit/UIProcess/Automation/WebAutomationSession.h b/Source/WebKit/UIProcess/Automation/WebAutomationSession.h
-index 1f2e33b690d6be4f27838008f0eb32696023c8c7..4cf688212cd7c57fc46b376e6be7b7b51fe342de 100644
+index 1eb1f76b903199f5af64d48cb5ce5b54c2c67571..3d25a50fd22352a7fc2d2e638eb559313c36966b 100644
 --- a/Source/WebKit/UIProcess/Automation/WebAutomationSession.h
 +++ b/Source/WebKit/UIProcess/Automation/WebAutomationSession.h
-@@ -236,6 +236,8 @@ public:
+@@ -256,6 +256,8 @@ public:
  
      void didDestroyFrame(WebCore::FrameIdentifier);
  
@@ -11878,7 +11665,7 @@ index 1f2e33b690d6be4f27838008f0eb32696023c8c7..4cf688212cd7c57fc46b376e6be7b7b5
  private:
      RefPtr<WebPageProxy> webPageProxyForHandle(const String&);
      String handleForWebPageProxy(const WebPageProxy&);
-@@ -287,7 +289,6 @@ private:
+@@ -300,7 +302,6 @@ private:
  
      // Get base64-encoded PNG data from a bitmap.
      static std::optional<String> platformGetBase64EncodedPNGData(WebCore::ShareableBitmap::Handle&&);
@@ -11887,10 +11674,10 @@ index 1f2e33b690d6be4f27838008f0eb32696023c8c7..4cf688212cd7c57fc46b376e6be7b7b5
      // Save base64-encoded file contents to a local file path and return the path.
      // This reuses the basename of the remote file path so that the filename exposed to DOM API remains the same.
 diff --git a/Source/WebKit/UIProcess/AuxiliaryProcessProxy.cpp b/Source/WebKit/UIProcess/AuxiliaryProcessProxy.cpp
-index a3a4997f987ba09829d54f26c1cc70842c658f87..b8cb97db12695db3bec61a01cf8073213b40f6ac 100644
+index 67b26803f31aed0690ffd4e0aa26a842edce5eea..61bb0a44b067847d3cb45ad397c9c3572e107a89 100644
 --- a/Source/WebKit/UIProcess/AuxiliaryProcessProxy.cpp
 +++ b/Source/WebKit/UIProcess/AuxiliaryProcessProxy.cpp
-@@ -168,7 +168,11 @@ void AuxiliaryProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& lau
+@@ -167,7 +167,11 @@ void AuxiliaryProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& lau
          launchOptions.processCmdPrefix = String::fromUTF8(processCmdPrefix);
  #endif // ENABLE(DEVELOPER_MODE) && (PLATFORM(GTK) || PLATFORM(WPE))
  
@@ -11903,10 +11690,10 @@ index a3a4997f987ba09829d54f26c1cc70842c658f87..b8cb97db12695db3bec61a01cf807321
      platformGetLaunchOptions(launchOptions);
  }
 diff --git a/Source/WebKit/UIProcess/AuxiliaryProcessProxy.h b/Source/WebKit/UIProcess/AuxiliaryProcessProxy.h
-index 70aa53ec6d79c71bf2394e88f7e4c3bc8f70d4ec..bea35c50cc2288f16f86c4930d565e1247a1bba9 100644
+index a8ee41c1155989a57a5c0bd09c5144e8103c7c7c..172d567478e36d275a23ae3db82281f4a7af5c26 100644
 --- a/Source/WebKit/UIProcess/AuxiliaryProcessProxy.h
 +++ b/Source/WebKit/UIProcess/AuxiliaryProcessProxy.h
-@@ -294,13 +294,16 @@ protected:
+@@ -296,13 +296,16 @@ protected:
  
      InitializationActivityAndGrant initializationActivityAndGrant();
  
@@ -11925,10 +11712,10 @@ index 70aa53ec6d79c71bf2394e88f7e4c3bc8f70d4ec..bea35c50cc2288f16f86c4930d565e12
  
      // Connection::Client
 diff --git a/Source/WebKit/UIProcess/BackingStore.h b/Source/WebKit/UIProcess/BackingStore.h
-index 945c62704e0b25f04e9ee4be88b21f88aeda8bd9..409c1c560b2462bf59f19dfee7941748b54fd22c 100644
+index f72e17dc0973d4523c4b29a14754ec6d6036e06f..153f7b8495404513e20db757c0269f9e3c4d0e2d 100644
 --- a/Source/WebKit/UIProcess/BackingStore.h
 +++ b/Source/WebKit/UIProcess/BackingStore.h
-@@ -67,6 +67,7 @@ public:
+@@ -69,6 +69,7 @@ public:
      float deviceScaleFactor() const { return m_deviceScaleFactor; }
  
      void paint(PlatformPaintContextPtr, const WebCore::IntRect&);
@@ -12047,44 +11834,23 @@ index 0000000000000000000000000000000000000000..cd66887de171cda7d15a8e4dc6dbff63
 +} // namespace WebKit
 +
 +#endif // ENABLE(REMOTE_INSPECTOR)
-diff --git a/Source/WebKit/UIProcess/Cocoa/SOAuthorization/PopUpSOAuthorizationSession.h b/Source/WebKit/UIProcess/Cocoa/SOAuthorization/PopUpSOAuthorizationSession.h
-index aaa27547f4ad4e3cc5551f621472554f4ed287bb..294e11d5b5cac544b62254e9951580b4339f0f17 100644
---- a/Source/WebKit/UIProcess/Cocoa/SOAuthorization/PopUpSOAuthorizationSession.h
-+++ b/Source/WebKit/UIProcess/Cocoa/SOAuthorization/PopUpSOAuthorizationSession.h
-@@ -29,6 +29,7 @@
- 
- #include "SOAuthorizationSession.h"
- #include <wtf/CompletionHandler.h>
-+#include <wtf/Forward.h>
- 
- OBJC_CLASS WKSOSecretDelegate;
- OBJC_CLASS WKWebView;
-@@ -40,6 +41,8 @@ class PageConfiguration;
- 
- namespace WebKit {
- 
-+class WebPageProxy;
-+
- // FSM: Idle => Active => Completed
- class PopUpSOAuthorizationSession final : public SOAuthorizationSession {
- public:
-diff --git a/Source/WebKit/UIProcess/Cocoa/SOAuthorization/SOAuthorizationCoordinator.h b/Source/WebKit/UIProcess/Cocoa/SOAuthorization/SOAuthorizationCoordinator.h
-index 11caa19f1f40a55fa4378ac092632731cd16f9e0..56b6ec4a8a1f6dfd199e24a91bb4c9113ba6e08c 100644
---- a/Source/WebKit/UIProcess/Cocoa/SOAuthorization/SOAuthorizationCoordinator.h
-+++ b/Source/WebKit/UIProcess/Cocoa/SOAuthorization/SOAuthorizationCoordinator.h
-@@ -27,6 +27,7 @@
+diff --git a/Source/WebKit/UIProcess/Cocoa/SOAuthorization/WKSOAuthorizationDelegate.h b/Source/WebKit/UIProcess/Cocoa/SOAuthorization/WKSOAuthorizationDelegate.h
+index 1eb07a8bfadb2c4477698940b9429eefacc7d059..30e8b82bb1d8ca88ec5af80580c0ca751d10485f 100644
+--- a/Source/WebKit/UIProcess/Cocoa/SOAuthorization/WKSOAuthorizationDelegate.h
++++ b/Source/WebKit/UIProcess/Cocoa/SOAuthorization/WKSOAuthorizationDelegate.h
+@@ -25,6 +25,7 @@
  
  #if HAVE(APP_SSO)
  
-+#import "APIPageConfiguration.h"
- #include <wtf/Forward.h>
- #include <wtf/Noncopyable.h>
- #include <wtf/RetainPtr.h>
++#import "SOAuthorizationSession.h"
+ #import <pal/cocoa/AppSSOSoftLink.h>
+ 
+ namespace WebKit {
 diff --git a/Source/WebKit/UIProcess/Cocoa/UIDelegate.h b/Source/WebKit/UIProcess/Cocoa/UIDelegate.h
-index 49c6fb1049761c89e9e0e40869f4d57d042c227b..acaa86f77435ba1be932e574d4b62ae2716f27e8 100644
+index 47da0ee168267f6a4a27602ea0c3cffdeb0a8a44..70eef746a34ebc037e56b4a81675e1184a37d178 100644
 --- a/Source/WebKit/UIProcess/Cocoa/UIDelegate.h
 +++ b/Source/WebKit/UIProcess/Cocoa/UIDelegate.h
-@@ -106,6 +106,7 @@ private:
+@@ -102,6 +102,7 @@ private:
          void runJavaScriptAlert(WebPageProxy&, const WTF::String&, WebFrameProxy*, FrameInfoData&&, Function<void()>&& completionHandler) final;
          void runJavaScriptConfirm(WebPageProxy&, const WTF::String&, WebFrameProxy*, FrameInfoData&&, Function<void(bool)>&& completionHandler) final;
          void runJavaScriptPrompt(WebPageProxy&, const WTF::String&, const WTF::String&, WebFrameProxy*, FrameInfoData&&, Function<void(const WTF::String&)>&&) final;
@@ -12092,7 +11858,7 @@ index 49c6fb1049761c89e9e0e40869f4d57d042c227b..acaa86f77435ba1be932e574d4b62ae2
          void presentStorageAccessConfirmDialog(const WTF::String& requestingDomain, const WTF::String& currentDomain, CompletionHandler<void(bool)>&&);
          void requestStorageAccessConfirm(WebPageProxy&, WebFrameProxy*, const WebCore::RegistrableDomain& requestingDomain, const WebCore::RegistrableDomain& currentDomain, std::optional<WebCore::OrganizationStorageAccessPromptQuirk>&&, CompletionHandler<void(bool)>&&) final;
          void decidePolicyForGeolocationPermissionRequest(WebPageProxy&, WebFrameProxy&, const FrameInfoData&, Function<void(bool)>&) final;
-@@ -223,6 +224,7 @@ private:
+@@ -220,6 +221,7 @@ private:
          bool webViewRunJavaScriptAlertPanelWithMessageInitiatedByFrameCompletionHandler : 1;
          bool webViewRunJavaScriptConfirmPanelWithMessageInitiatedByFrameCompletionHandler : 1;
          bool webViewRunJavaScriptTextInputPanelWithPromptDefaultTextInitiatedByFrameCompletionHandler : 1;
@@ -12101,10 +11867,10 @@ index 49c6fb1049761c89e9e0e40869f4d57d042c227b..acaa86f77435ba1be932e574d4b62ae2
          bool webViewRequestStorageAccessPanelForDomainUnderCurrentDomainForQuirkDomainsCompletionHandler : 1;
          bool webViewRunBeforeUnloadConfirmPanelWithMessageInitiatedByFrameCompletionHandler : 1;
 diff --git a/Source/WebKit/UIProcess/Cocoa/UIDelegate.mm b/Source/WebKit/UIProcess/Cocoa/UIDelegate.mm
-index 45d81b21bbc47418f77dd5a49c032c694db3f08c..10466388e3380e939ad8199f059b25491a61e48f 100644
+index 1994f291d7e492daaefecfe93b4aa24f3d89fdef..03410eb4546e23a9f5f6ac6a3dd809207cff31e4 100644
 --- a/Source/WebKit/UIProcess/Cocoa/UIDelegate.mm
 +++ b/Source/WebKit/UIProcess/Cocoa/UIDelegate.mm
-@@ -122,6 +122,7 @@ void UIDelegate::setDelegate(id <WKUIDelegate> delegate)
+@@ -134,6 +134,7 @@ void UIDelegate::setDelegate(id <WKUIDelegate> delegate)
      m_delegateMethods.webViewRunJavaScriptAlertPanelWithMessageInitiatedByFrameCompletionHandler = [delegate respondsToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:completionHandler:)];
      m_delegateMethods.webViewRunJavaScriptConfirmPanelWithMessageInitiatedByFrameCompletionHandler = [delegate respondsToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:completionHandler:)];
      m_delegateMethods.webViewRunJavaScriptTextInputPanelWithPromptDefaultTextInitiatedByFrameCompletionHandler = [delegate respondsToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:completionHandler:)];
@@ -12112,7 +11878,7 @@ index 45d81b21bbc47418f77dd5a49c032c694db3f08c..10466388e3380e939ad8199f059b2549
      m_delegateMethods.webViewRequestStorageAccessPanelUnderFirstPartyCompletionHandler = [delegate respondsToSelector:@selector(_webView:requestStorageAccessPanelForDomain:underCurrentDomain:completionHandler:)];
      m_delegateMethods.webViewRequestStorageAccessPanelForDomainUnderCurrentDomainForQuirkDomainsCompletionHandler = [delegate respondsToSelector:@selector(_webView:requestStorageAccessPanelForDomain:underCurrentDomain:forQuirkDomains:completionHandler:)];
      m_delegateMethods.webViewRunBeforeUnloadConfirmPanelWithMessageInitiatedByFrameCompletionHandler = [delegate respondsToSelector:@selector(_webView:runBeforeUnloadConfirmPanelWithMessage:initiatedByFrame:completionHandler:)];
-@@ -458,6 +459,15 @@ void UIDelegate::UIClient::runJavaScriptPrompt(WebPageProxy& page, const WTF::St
+@@ -465,6 +466,15 @@ void UIDelegate::UIClient::runJavaScriptPrompt(WebPageProxy& page, const WTF::St
      }).get()];
  }
  
@@ -12127,9 +11893,9 @@ index 45d81b21bbc47418f77dd5a49c032c694db3f08c..10466388e3380e939ad8199f059b2549
 +
  void UIDelegate::UIClient::requestStorageAccessConfirm(WebPageProxy& webPageProxy, WebFrameProxy*, const WebCore::RegistrableDomain& requestingDomain, const WebCore::RegistrableDomain& currentDomain, std::optional<WebCore::OrganizationStorageAccessPromptQuirk>&& organizationStorageAccessPromptQuirk, CompletionHandler<void(bool)>&& completionHandler)
  {
-     if (!m_uiDelegate)
+     RefPtr uiDelegate = m_uiDelegate.get();
 diff --git a/Source/WebKit/UIProcess/Cocoa/WebPageProxyCocoa.mm b/Source/WebKit/UIProcess/Cocoa/WebPageProxyCocoa.mm
-index 2d04117422e1e10ca59fec5af93b312352b948e5..d7a04374498d58311914ca538d316f362164ac62 100644
+index 9c83bff69be2da80e51e91ce08cfbfcbcd7b3dd5..b70a8450fc3b69e2d27aff88474502cdc0bdc8f8 100644
 --- a/Source/WebKit/UIProcess/Cocoa/WebPageProxyCocoa.mm
 +++ b/Source/WebKit/UIProcess/Cocoa/WebPageProxyCocoa.mm
 @@ -42,7 +42,9 @@
@@ -12231,10 +11997,10 @@ index 2d04117422e1e10ca59fec5af93b312352b948e5..d7a04374498d58311914ca538d316f36
  #if ENABLE(ATTACHMENT_ELEMENT)
  
 diff --git a/Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm b/Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm
-index 2d583997574502b60b74208ad01349b7f1bc17d2..ffa9871e3679684d82d508c91137651231112c20 100644
+index 6eca9f4d7e1e1d54bc41a68f689ec1dcce54f354..7feb9b894f852d4a2c93ebeb580f7b6636da9670 100644
 --- a/Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm
 +++ b/Source/WebKit/UIProcess/Cocoa/WebProcessPoolCocoa.mm
-@@ -436,7 +436,7 @@ ALLOW_DEPRECATED_DECLARATIONS_END
+@@ -435,7 +435,7 @@ ALLOW_DEPRECATED_DECLARATIONS_END
      auto screenProperties = WebCore::collectScreenProperties();
      parameters.screenProperties = WTFMove(screenProperties);
  #if PLATFORM(MAC)
@@ -12243,7 +12009,7 @@ index 2d583997574502b60b74208ad01349b7f1bc17d2..ffa9871e3679684d82d508c911376512
  #endif
      
  #if (PLATFORM(IOS) || PLATFORM(VISION)) && HAVE(AGX_COMPILER_SERVICE)
-@@ -831,8 +831,8 @@ void WebProcessPool::registerNotificationObservers()
+@@ -830,8 +830,8 @@ void WebProcessPool::registerNotificationObservers()
      }];
  
      m_scrollerStyleNotificationObserver = [[NSNotificationCenter defaultCenter] addObserverForName:NSPreferredScrollerStyleDidChangeNotification object:nil queue:[NSOperationQueue currentQueue] usingBlock:^(NSNotification *notification) {
@@ -12255,7 +12021,7 @@ index 2d583997574502b60b74208ad01349b7f1bc17d2..ffa9871e3679684d82d508c911376512
  
      m_activationObserver = [[NSNotificationCenter defaultCenter] addObserverForName:NSApplicationDidBecomeActiveNotification object:NSApp queue:[NSOperationQueue currentQueue] usingBlock:^(NSNotification *notification) {
 diff --git a/Source/WebKit/UIProcess/CoordinatedGraphics/DrawingAreaProxyCoordinatedGraphics.cpp b/Source/WebKit/UIProcess/CoordinatedGraphics/DrawingAreaProxyCoordinatedGraphics.cpp
-index d15636e78679112ea910a43d45b2930676b15d6a..72c9a4c6327712073190c33774bec559bf026003 100644
+index c09616b4b076136888cda95c3c74137cf2668a42..f2ee3ee1417f4716157f004ef53d441d94c7e1c3 100644
 --- a/Source/WebKit/UIProcess/CoordinatedGraphics/DrawingAreaProxyCoordinatedGraphics.cpp
 +++ b/Source/WebKit/UIProcess/CoordinatedGraphics/DrawingAreaProxyCoordinatedGraphics.cpp
 @@ -33,6 +33,7 @@
@@ -12291,7 +12057,7 @@ index d15636e78679112ea910a43d45b2930676b15d6a..72c9a4c6327712073190c33774bec559
  namespace WebKit {
  using namespace WebCore;
  
-@@ -164,6 +174,11 @@ void DrawingAreaProxyCoordinatedGraphics::deviceScaleFactorDidChange(CompletionH
+@@ -180,6 +190,11 @@ void DrawingAreaProxyCoordinatedGraphics::deviceScaleFactorDidChange(CompletionH
      completionHandler();
  }
  
@@ -12303,7 +12069,7 @@ index d15636e78679112ea910a43d45b2930676b15d6a..72c9a4c6327712073190c33774bec559
  void DrawingAreaProxyCoordinatedGraphics::setBackingStoreIsDiscardable(bool isBackingStoreDiscardable)
  {
  #if !PLATFORM(WPE)
-@@ -225,6 +240,45 @@ void DrawingAreaProxyCoordinatedGraphics::updateAcceleratedCompositingMode(uint6
+@@ -241,6 +256,45 @@ void DrawingAreaProxyCoordinatedGraphics::updateAcceleratedCompositingMode(uint6
      updateAcceleratedCompositingMode(layerTreeContext);
  }
  
@@ -12348,8 +12114,8 @@ index d15636e78679112ea910a43d45b2930676b15d6a..72c9a4c6327712073190c33774bec559
 +
  bool DrawingAreaProxyCoordinatedGraphics::alwaysUseCompositing() const
  {
-     return m_webPageProxy->preferences().acceleratedCompositingEnabled() && m_webPageProxy->preferences().forceCompositingMode();
-@@ -279,6 +333,12 @@ void DrawingAreaProxyCoordinatedGraphics::didUpdateGeometry()
+     if (!m_webPageProxy)
+@@ -300,6 +354,12 @@ void DrawingAreaProxyCoordinatedGraphics::didUpdateGeometry()
      // we need to resend the new size here.
      if (m_lastSentSize != m_size)
          sendUpdateGeometry();
@@ -12363,7 +12129,7 @@ index d15636e78679112ea910a43d45b2930676b15d6a..72c9a4c6327712073190c33774bec559
  
  #if !PLATFORM(WPE)
 diff --git a/Source/WebKit/UIProcess/CoordinatedGraphics/DrawingAreaProxyCoordinatedGraphics.h b/Source/WebKit/UIProcess/CoordinatedGraphics/DrawingAreaProxyCoordinatedGraphics.h
-index a7cf6a9f232b4c2d6803ed8d6b3fa2273bfe0a2e..5fbbe2a55625f651e190b0c2197b9c7f97814624 100644
+index 69f3479dd407e43d2cf3193b599c35d94d320aff..8b042dc992a1160b312d119cccee8c84b954eb15 100644
 --- a/Source/WebKit/UIProcess/CoordinatedGraphics/DrawingAreaProxyCoordinatedGraphics.h
 +++ b/Source/WebKit/UIProcess/CoordinatedGraphics/DrawingAreaProxyCoordinatedGraphics.h
 @@ -29,6 +29,7 @@
@@ -12371,10 +12137,10 @@ index a7cf6a9f232b4c2d6803ed8d6b3fa2273bfe0a2e..5fbbe2a55625f651e190b0c2197b9c7f
  #include "DrawingAreaProxy.h"
  #include "LayerTreeContext.h"
 +#include <wtf/Function.h>
+ #include <wtf/RefCounted.h>
  #include <wtf/RunLoop.h>
  #include <wtf/TZoneMalloc.h>
- 
-@@ -56,6 +57,10 @@ public:
+@@ -60,6 +61,10 @@ public:
  
      bool isInAcceleratedCompositingMode() const { return !m_layerTreeContext.isEmpty(); }
      const LayerTreeContext& layerTreeContext() const { return m_layerTreeContext; }
@@ -12385,7 +12151,7 @@ index a7cf6a9f232b4c2d6803ed8d6b3fa2273bfe0a2e..5fbbe2a55625f651e190b0c2197b9c7f
  
      void dispatchAfterEnsuringDrawing(CompletionHandler<void()>&&);
  
-@@ -79,6 +84,9 @@ private:
+@@ -85,6 +90,9 @@ private:
      void enterAcceleratedCompositingMode(uint64_t backingStoreStateID, const LayerTreeContext&) override;
      void exitAcceleratedCompositingMode(uint64_t backingStoreStateID, UpdateInfo&&) override;
      void updateAcceleratedCompositingMode(uint64_t backingStoreStateID, const LayerTreeContext&) override;
@@ -12395,7 +12161,7 @@ index a7cf6a9f232b4c2d6803ed8d6b3fa2273bfe0a2e..5fbbe2a55625f651e190b0c2197b9c7f
  
      bool shouldSendWheelEventsToEventDispatcher() const override { return true; }
  
-@@ -122,6 +130,7 @@ private:
+@@ -128,6 +136,7 @@ private:
      // The last size we sent to the web process.
      WebCore::IntSize m_lastSentSize;
  
@@ -12403,7 +12169,7 @@ index a7cf6a9f232b4c2d6803ed8d6b3fa2273bfe0a2e..5fbbe2a55625f651e190b0c2197b9c7f
  
  #if !PLATFORM(WPE)
      bool m_isBackingStoreDiscardable { true };
-@@ -130,6 +139,10 @@ private:
+@@ -136,6 +145,10 @@ private:
      RunLoop::Timer m_discardBackingStoreTimer;
  #endif
      std::unique_ptr<DrawingMonitor> m_drawingMonitor;
@@ -12415,10 +12181,10 @@ index a7cf6a9f232b4c2d6803ed8d6b3fa2273bfe0a2e..5fbbe2a55625f651e190b0c2197b9c7f
  
  } // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/Downloads/DownloadProxy.cpp b/Source/WebKit/UIProcess/Downloads/DownloadProxy.cpp
-index 81b64958bf7f9e86a54bc41028aea1b983ce7133..bd9697fc26ca4c903891178bfd884ee35c953eed 100644
+index 1a6f1e5eae420cd6f792de69748be771e735d083..6c31ab3e5f8ed3327f52cf2e54e9055219b06cce 100644
 --- a/Source/WebKit/UIProcess/Downloads/DownloadProxy.cpp
 +++ b/Source/WebKit/UIProcess/Downloads/DownloadProxy.cpp
-@@ -40,8 +40,10 @@
+@@ -41,8 +41,10 @@
  #include <WebCore/MIMETypeRegistry.h>
  #include <WebCore/ResourceResponseBase.h>
  #include <wtf/FileSystem.h>
@@ -12429,10 +12195,10 @@ index 81b64958bf7f9e86a54bc41028aea1b983ce7133..bd9697fc26ca4c903891178bfd884ee3
  
  #if PLATFORM(MAC)
  #include <pal/spi/mac/QuarantineSPI.h>
-@@ -62,7 +64,10 @@ DownloadProxy::DownloadProxy(DownloadProxyMap& downloadProxyMap, WebsiteDataStor
-     , m_request(resourceRequest)
-     , m_originatingPage(originatingPage)
-     , m_frameInfo(API::FrameInfo::create(FrameInfoData { frameInfoData }, originatingPage))
+@@ -66,7 +68,10 @@ DownloadProxy::DownloadProxy(DownloadProxyMap& downloadProxyMap, WebsiteDataStor
+ #if HAVE(MODERN_DOWNLOADPROGRESS)
+     , m_assertion(ProcessAssertion::create(getCurrentProcessID(), "WebKit DownloadProxy DecideDestination"_s, ProcessAssertionType::FinishTaskInterruptable))
+ #endif
 +    , m_uuid(createVersion4UUIDString())
  {
 +    if (auto* instrumentation = m_dataStore->downloadInstrumentation())
@@ -12440,21 +12206,24 @@ index 81b64958bf7f9e86a54bc41028aea1b983ce7133..bd9697fc26ca4c903891178bfd884ee3
  }
  
  DownloadProxy::~DownloadProxy()
-@@ -81,9 +86,12 @@ static RefPtr<API::Data> createData(std::span<const uint8_t> data)
+@@ -85,12 +90,15 @@ static RefPtr<API::Data> createData(std::span<const uint8_t> data)
  void DownloadProxy::cancel(CompletionHandler<void(API::Data*)>&& completionHandler)
  {
      if (m_dataStore) {
--        protectedDataStore()->protectedNetworkProcess()->sendWithAsyncReply(Messages::NetworkProcess::CancelDownload(m_downloadID), [this, protectedThis = Ref { *this }, completionHandler = WTFMove(completionHandler)] (std::span<const uint8_t> resumeData) mutable {
+-        protectedDataStore()->protectedNetworkProcess()->sendWithAsyncReply(Messages::NetworkProcess::CancelDownload(m_downloadID), [weakThis = WeakPtr { *this }, completionHandler = WTFMove(completionHandler)] (std::span<const uint8_t> resumeData) mutable {
 +        auto* instrumentation = m_dataStore->downloadInstrumentation();
-+        protectedDataStore()->protectedNetworkProcess()->sendWithAsyncReply(Messages::NetworkProcess::CancelDownload(m_downloadID), [this, protectedThis = Ref { *this }, completionHandler = WTFMove(completionHandler), instrumentation] (std::span<const uint8_t> resumeData) mutable {
-             m_legacyResumeData = createData(resumeData);
-             completionHandler(m_legacyResumeData.get());
++        protectedDataStore()->protectedNetworkProcess()->sendWithAsyncReply(Messages::NetworkProcess::CancelDownload(m_downloadID), [weakThis = WeakPtr { *this }, completionHandler = WTFMove(completionHandler), instrumentation] (std::span<const uint8_t> resumeData) mutable {
+             RefPtr protectedThis = weakThis.get();
+             if (!protectedThis)
+                 return completionHandler(nullptr);
+             protectedThis->m_legacyResumeData = createData(resumeData);
+             completionHandler(protectedThis->m_legacyResumeData.get());
 +            if (instrumentation)
-+                instrumentation->downloadFinished(m_uuid, "canceled"_s);
-             m_downloadProxyMap->downloadFinished(*this);
++                instrumentation->downloadFinished(protectedThis->m_uuid, "canceled"_s);
+             if (RefPtr downloadProxyMap = protectedThis->m_downloadProxyMap.get())
+                 downloadProxyMap->downloadFinished(*protectedThis);
          });
-     } else
-@@ -153,6 +161,33 @@ void DownloadProxy::decideDestinationWithSuggestedFilename(const WebCore::Resour
+@@ -162,6 +170,33 @@ void DownloadProxy::decideDestinationWithSuggestedFilename(const WebCore::Resour
          suggestedFilename = m_suggestedFilename;
      suggestedFilename = MIMETypeRegistry::appendFileExtensionIfNecessary(suggestedFilename, response.mimeType());
  
@@ -12485,10 +12254,10 @@ index 81b64958bf7f9e86a54bc41028aea1b983ce7133..bd9697fc26ca4c903891178bfd884ee3
 +        return;
 +    }
 +
-     m_client->decideDestinationWithSuggestedFilename(*this, response, ResourceResponseBase::sanitizeSuggestedFilename(suggestedFilename), [this, protectedThis = Ref { *this }, completionHandler = WTFMove(completionHandler)] (AllowOverwrite allowOverwrite, String destination) mutable {
+     protectedClient()->decideDestinationWithSuggestedFilename(*this, response, ResourceResponseBase::sanitizeSuggestedFilename(suggestedFilename), [this, protectedThis = Ref { *this }, completionHandler = WTFMove(completionHandler)] (AllowOverwrite allowOverwrite, String destination) mutable {
          SandboxExtension::Handle sandboxExtensionHandle;
          if (!destination.isNull()) {
-@@ -215,6 +250,8 @@ void DownloadProxy::didFinish()
+@@ -224,6 +259,8 @@ void DownloadProxy::didFinish()
      updateQuarantinePropertiesIfPossible();
  #endif
      m_client->didFinish(*this);
@@ -12496,8 +12265,8 @@ index 81b64958bf7f9e86a54bc41028aea1b983ce7133..bd9697fc26ca4c903891178bfd884ee3
 +      instrumentation->downloadFinished(m_uuid, String());
  
      // This can cause the DownloadProxy object to be deleted.
-     m_downloadProxyMap->downloadFinished(*this);
-@@ -225,6 +262,8 @@ void DownloadProxy::didFail(const ResourceError& error, std::span<const uint8_t>
+     if (RefPtr downloadProxyMap = m_downloadProxyMap.get())
+@@ -235,6 +272,8 @@ void DownloadProxy::didFail(const ResourceError& error, std::span<const uint8_t>
      m_legacyResumeData = createData(resumeData);
  
      m_client->didFail(*this, error, m_legacyResumeData.get());
@@ -12505,24 +12274,24 @@ index 81b64958bf7f9e86a54bc41028aea1b983ce7133..bd9697fc26ca4c903891178bfd884ee3
 +      instrumentation->downloadFinished(m_uuid, error.localizedDescription());
  
      // This can cause the DownloadProxy object to be deleted.
-     m_downloadProxyMap->downloadFinished(*this);
+     if (RefPtr downloadProxyMap = m_downloadProxyMap.get())
 diff --git a/Source/WebKit/UIProcess/Downloads/DownloadProxy.h b/Source/WebKit/UIProcess/Downloads/DownloadProxy.h
-index 8418c16c5ee94c3ea37962d1db4b961d18dc391e..fb8a8ba64c499d92f17891e0268fe3c1163913c0 100644
+index c11230e2bdf0260db06b011a235d7687908d8943..015d84a1c1e3bc94ad11602879460256508313fa 100644
 --- a/Source/WebKit/UIProcess/Downloads/DownloadProxy.h
 +++ b/Source/WebKit/UIProcess/Downloads/DownloadProxy.h
-@@ -156,6 +156,7 @@ private:
- #if PLATFORM(COCOA)
-     RetainPtr<NSProgress> m_progress;
+@@ -165,6 +165,7 @@ private:
+ #if HAVE(MODERN_DOWNLOADPROGRESS)
+     RefPtr<ProcessAssertion> m_assertion;
  #endif
 +    String m_uuid;
  };
  
  } // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/DrawingAreaProxy.h b/Source/WebKit/UIProcess/DrawingAreaProxy.h
-index a6897e8688b39c7ca3131b3b730a0fec1d3727e2..0f0e67c3eaa49351266d7666189e168a4f9cce7c 100644
+index 575ef6907ad84bcedf75b5fe2fd205a70e4edfb3..12d06c53ff697feec8a4816d44368b7df81bc803 100644
 --- a/Source/WebKit/UIProcess/DrawingAreaProxy.h
 +++ b/Source/WebKit/UIProcess/DrawingAreaProxy.h
-@@ -90,6 +90,7 @@ public:
+@@ -91,6 +91,7 @@ public:
  
      const WebCore::IntSize& size() const { return m_size; }
      bool setSize(const WebCore::IntSize&, const WebCore::IntSize& scrollOffset = { });
@@ -12530,7 +12299,7 @@ index a6897e8688b39c7ca3131b3b730a0fec1d3727e2..0f0e67c3eaa49351266d7666189e168a
  
      virtual void minimumSizeForAutoLayoutDidChange() { }
      virtual void sizeToContentAutoSizeMaximumSizeDidChange() { }
-@@ -177,6 +178,10 @@ private:
+@@ -178,6 +179,10 @@ private:
      virtual void update(uint64_t /* backingStoreStateID */, UpdateInfo&&) { }
      virtual void exitAcceleratedCompositingMode(uint64_t /* backingStoreStateID */, UpdateInfo&&) { }
  #endif
@@ -12542,10 +12311,10 @@ index a6897e8688b39c7ca3131b3b730a0fec1d3727e2..0f0e67c3eaa49351266d7666189e168a
  
  } // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/DrawingAreaProxy.messages.in b/Source/WebKit/UIProcess/DrawingAreaProxy.messages.in
-index fc5c53f18ad2dee2c2f40cdbb86ca7f24b262d8d..d93d804d3a8ebaa30856710df544f3db5aa7ad2d 100644
+index 4d19362fcc71426002d8aafdd7401c01077ef051..7a1ebc8b200d3214f7fd0c4b1d062890bc49995e 100644
 --- a/Source/WebKit/UIProcess/DrawingAreaProxy.messages.in
 +++ b/Source/WebKit/UIProcess/DrawingAreaProxy.messages.in
-@@ -30,4 +30,7 @@ messages -> DrawingAreaProxy NotRefCounted {
+@@ -30,4 +30,7 @@ messages -> DrawingAreaProxy {
      Update(uint64_t stateID, struct WebKit::UpdateInfo updateInfo) CanDispatchOutOfOrder
      ExitAcceleratedCompositingMode(uint64_t backingStoreStateID, struct WebKit::UpdateInfo updateInfo)
  #endif
@@ -12843,10 +12612,10 @@ index 0000000000000000000000000000000000000000..4ec8b96bbbddf8a7b042f53a8068754a
 +cairo_status_t cairo_image_surface_write_to_jpeg_mem(cairo_surface_t *sfc, unsigned char **data, size_t *len, int quality);
 diff --git a/Source/WebKit/UIProcess/Inspector/Agents/InspectorScreencastAgent.cpp b/Source/WebKit/UIProcess/Inspector/Agents/InspectorScreencastAgent.cpp
 new file mode 100644
-index 0000000000000000000000000000000000000000..229fd8e721648b07057af413f0fb8424af2ed926
+index 0000000000000000000000000000000000000000..033bf77bca2de127e55cbf55a9e0b0c358fc81f9
 --- /dev/null
 +++ b/Source/WebKit/UIProcess/Inspector/Agents/InspectorScreencastAgent.cpp
-@@ -0,0 +1,387 @@
+@@ -0,0 +1,392 @@
 +/*
 + * Copyright (C) 2020 Microsoft Corporation.
 + *
@@ -12883,6 +12652,7 @@ index 0000000000000000000000000000000000000000..229fd8e721648b07057af413f0fb8424
 +#include <pal/crypto/CryptoDigest.h>
 +#include <JavaScriptCore/InspectorFrontendRouter.h>
 +#include <WebCore/NotImplemented.h>
++#include <wtf/Compiler.h>
 +#include <wtf/RunLoop.h>
 +#include <wtf/UUID.h>
 +#include <wtf/text/Base64.h>
@@ -12909,6 +12679,8 @@ index 0000000000000000000000000000000000000000..229fd8e721648b07057af413f0fb8424
 +#include <WebCore/ImageBufferUtilitiesCG.h>
 +#endif
 +
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
++
 +namespace WebKit {
 +
 +const int kMaxFramesInFlight = 1;
@@ -13234,6 +13006,8 @@ index 0000000000000000000000000000000000000000..229fd8e721648b07057af413f0fb8424
 +#endif
 +
 +} // namespace WebKit
++
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
 diff --git a/Source/WebKit/UIProcess/Inspector/Agents/InspectorScreencastAgent.h b/Source/WebKit/UIProcess/Inspector/Agents/InspectorScreencastAgent.h
 new file mode 100644
 index 0000000000000000000000000000000000000000..f53bb59c65a4ced0360e473fb9ed9a36d1179310
@@ -13351,10 +13125,10 @@ index 0000000000000000000000000000000000000000..f53bb59c65a4ced0360e473fb9ed9a36
 +} // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/Inspector/Agents/ScreencastEncoder.cpp b/Source/WebKit/UIProcess/Inspector/Agents/ScreencastEncoder.cpp
 new file mode 100644
-index 0000000000000000000000000000000000000000..9f3a9fb9ca1881b9c81493bf5a21382d4015c74c
+index 0000000000000000000000000000000000000000..760f6ab8714c45f0019e583970767ea40e35d818
 --- /dev/null
 +++ b/Source/WebKit/UIProcess/Inspector/Agents/ScreencastEncoder.cpp
-@@ -0,0 +1,438 @@
+@@ -0,0 +1,443 @@
 +/*
 + * Copyright (c) 2010, The WebM Project authors. All rights reserved.
 + * Copyright (c) 2013 The Chromium Authors. All rights reserved.
@@ -13391,6 +13165,7 @@ index 0000000000000000000000000000000000000000..9f3a9fb9ca1881b9c81493bf5a21382d
 +#include <vpx/vp8.h>
 +#include <vpx/vp8cx.h>
 +#include <vpx/vpx_encoder.h>
++#include <wtf/Compiler.h>
 +#include <wtf/RunLoop.h>
 +#include <wtf/UniqueArray.h>
 +#include <wtf/WorkQueue.h>
@@ -13408,6 +13183,8 @@ index 0000000000000000000000000000000000000000..9f3a9fb9ca1881b9c81493bf5a21382d
 +#include <WebCore/RefPtrCairo.h>
 +#endif
 +
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
++
 +using namespace WebCore;
 +
 +namespace WebKit {
@@ -13793,6 +13570,8 @@ index 0000000000000000000000000000000000000000..9f3a9fb9ca1881b9c81493bf5a21382d
 +
 +
 +} // namespace WebKit
++
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
 diff --git a/Source/WebKit/UIProcess/Inspector/Agents/ScreencastEncoder.h b/Source/WebKit/UIProcess/Inspector/Agents/ScreencastEncoder.h
 new file mode 100644
 index 0000000000000000000000000000000000000000..caf0474267c1bda6346f7b025b6646bb4f1b56d9
@@ -14016,7 +13795,7 @@ index 0000000000000000000000000000000000000000..e2ce910f3fd7f587add552275b7e7176
 +
 +} // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/Inspector/InspectorTargetProxy.cpp b/Source/WebKit/UIProcess/Inspector/InspectorTargetProxy.cpp
-index 23426ee5d9f3a01e5216267810f48091779384ca..78edcf784aa90cd9296faa539d235e741f826d32 100644
+index 77bdb25abf77bc0f7f00d3dbd57b0eb751c99488..6d3a93a009cff0f70f2b1a1e674827c24a26a947 100644
 --- a/Source/WebKit/UIProcess/Inspector/InspectorTargetProxy.cpp
 +++ b/Source/WebKit/UIProcess/Inspector/InspectorTargetProxy.cpp
 @@ -28,7 +28,7 @@
@@ -14028,32 +13807,23 @@ index 23426ee5d9f3a01e5216267810f48091779384ca..78edcf784aa90cd9296faa539d235e74
  #include "WebPageInspectorTarget.h"
  #include "WebPageMessages.h"
  #include "WebPageProxy.h"
-@@ -43,19 +43,17 @@ WTF_MAKE_TZONE_ALLOCATED_IMPL(InspectorTargetProxy);
- 
- std::unique_ptr<InspectorTargetProxy> InspectorTargetProxy::create(WebPageProxy& page, const String& targetId, Inspector::InspectorTargetType type)
- {
--    return makeUnique<InspectorTargetProxy>(page, targetId, type);
-+    return makeUnique<InspectorTargetProxy>(page, nullptr, targetId, type);
+@@ -46,13 +46,13 @@ std::unique_ptr<InspectorTargetProxy> InspectorTargetProxy::create(WebPageProxy&
+     return makeUnique<InspectorTargetProxy>(page, targetId, type);
  }
  
 -std::unique_ptr<InspectorTargetProxy> InspectorTargetProxy::create(ProvisionalPageProxy& provisionalPage, const String& targetId, Inspector::InspectorTargetType type)
 +std::unique_ptr<InspectorTargetProxy> InspectorTargetProxy::create(ProvisionalPageProxy& provisionalPage, const String& targetId)
  {
--    Ref page = provisionalPage.page();
--    auto target = InspectorTargetProxy::create(page, targetId, type);
--    target->m_provisionalPage = provisionalPage;
--    return target;
-+    return makeUnique<InspectorTargetProxy>(provisionalPage.page(), &provisionalPage, targetId, Inspector::InspectorTargetType::Page);
- }
+     RefPtr page = provisionalPage.page();
+     if (!page)
+         return nullptr;
  
--InspectorTargetProxy::InspectorTargetProxy(WebPageProxy& page, const String& targetId, Inspector::InspectorTargetType type)
-+InspectorTargetProxy::InspectorTargetProxy(WebPageProxy& page, ProvisionalPageProxy* provisionalPage, const String& targetId, Inspector::InspectorTargetType type)
-     : m_page(page)
-+    , m_provisionalPage(provisionalPage)
-     , m_identifier(targetId)
-     , m_type(type)
- {
-@@ -102,6 +100,31 @@ void InspectorTargetProxy::didCommitProvisionalTarget()
+-    auto target = InspectorTargetProxy::create(*page, targetId, type);
++    auto target = InspectorTargetProxy::create(*page, targetId, Inspector::InspectorTargetType::Page);
+     target->m_provisionalPage = provisionalPage;
+     return target;
+ }
+@@ -105,6 +105,31 @@ void InspectorTargetProxy::didCommitProvisionalTarget()
      m_provisionalPage = nullptr;
  }
  
@@ -14086,10 +13856,10 @@ index 23426ee5d9f3a01e5216267810f48091779384ca..78edcf784aa90cd9296faa539d235e74
  {
      return !!m_provisionalPage;
 diff --git a/Source/WebKit/UIProcess/Inspector/InspectorTargetProxy.h b/Source/WebKit/UIProcess/Inspector/InspectorTargetProxy.h
-index edd6e7f1799279ed3d0eb81b6c2eef9f5b375134..4552047ddc305d1da8ab2c0ca319392d95359a2c 100644
+index edd6e7f1799279ed3d0eb81b6c2eef9f5b375134..d4231f84f3c52641f4d9e88559e8e1a4845b7163 100644
 --- a/Source/WebKit/UIProcess/Inspector/InspectorTargetProxy.h
 +++ b/Source/WebKit/UIProcess/Inspector/InspectorTargetProxy.h
-@@ -38,13 +38,13 @@ class WebPageProxy;
+@@ -38,12 +38,12 @@ class WebPageProxy;
  // NOTE: This UIProcess side InspectorTarget doesn't care about the frontend channel, since
  // any target -> frontend messages will be routed to the WebPageProxy with a targetId.
  
@@ -14100,13 +13870,11 @@ index edd6e7f1799279ed3d0eb81b6c2eef9f5b375134..4552047ddc305d1da8ab2c0ca319392d
  public:
      static std::unique_ptr<InspectorTargetProxy> create(WebPageProxy&, const String& targetId, Inspector::InspectorTargetType);
 -    static std::unique_ptr<InspectorTargetProxy> create(ProvisionalPageProxy&, const String& targetId, Inspector::InspectorTargetType);
--    InspectorTargetProxy(WebPageProxy&, const String& targetId, Inspector::InspectorTargetType);
 +    static std::unique_ptr<InspectorTargetProxy> create(ProvisionalPageProxy&, const String& targetId);
-+    InspectorTargetProxy(WebPageProxy&, ProvisionalPageProxy*, const String& targetId, Inspector::InspectorTargetType);
+     InspectorTargetProxy(WebPageProxy&, const String& targetId, Inspector::InspectorTargetType);
      ~InspectorTargetProxy() = default;
  
-     Inspector::InspectorTargetType type() const final { return m_type; }
-@@ -56,12 +56,17 @@ public:
+@@ -56,8 +56,13 @@ public:
      void connect(Inspector::FrontendChannel::ConnectionType) override;
      void disconnect() override;
      void sendMessageToTargetBackend(const String&) override;
@@ -14118,15 +13886,10 @@ index edd6e7f1799279ed3d0eb81b6c2eef9f5b375134..4552047ddc305d1da8ab2c0ca319392d
 +    void platformActivate(String& error) const;
 +
      WeakRef<WebPageProxy> m_page;
-+    WeakPtr<ProvisionalPageProxy> m_provisionalPage;
      String m_identifier;
      Inspector::InspectorTargetType m_type;
--    WeakPtr<ProvisionalPageProxy> m_provisionalPage;
- };
- 
- } // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/Inspector/WebPageInspectorController.cpp b/Source/WebKit/UIProcess/Inspector/WebPageInspectorController.cpp
-index e4f2f719746ed69b1226be2d47b16666f2067772..e94eba914cf44bad58c63be024a862d904baf690 100644
+index e4f2f719746ed69b1226be2d47b16666f2067772..c0e4452b9c8e286e1944b47e46acf49bdaee439a 100644
 --- a/Source/WebKit/UIProcess/Inspector/WebPageInspectorController.cpp
 +++ b/Source/WebKit/UIProcess/Inspector/WebPageInspectorController.cpp
 @@ -26,13 +26,21 @@
@@ -14393,7 +14156,7 @@ index e4f2f719746ed69b1226be2d47b16666f2067772..e94eba914cf44bad58c63be024a862d9
  void WebPageInspectorController::createInspectorTarget(const String& targetId, Inspector::InspectorTargetType type)
  {
      addTarget(InspectorTargetProxy::create(protectedInspectedPage(), targetId, type));
-@@ -184,6 +363,32 @@ void WebPageInspectorController::sendMessageToInspectorFrontend(const String& ta
+@@ -184,6 +363,48 @@ void WebPageInspectorController::sendMessageToInspectorFrontend(const String& ta
      m_targetAgent->sendMessageFromTargetToFrontend(targetId, message);
  }
  
@@ -14403,7 +14166,7 @@ index e4f2f719746ed69b1226be2d47b16666f2067772..e94eba914cf44bad58c63be024a862d9
 +    m_targetAgent->setPauseOnStart(shouldPause);
 +}
 +
-+bool WebPageInspectorController::shouldPauseLoading() const
++bool WebPageInspectorController::shouldPauseLoadRequest() const
 +{
 +    if (!m_frontendRouter->hasFrontends())
 +        return false;
@@ -14412,10 +14175,26 @@ index e4f2f719746ed69b1226be2d47b16666f2067772..e94eba914cf44bad58c63be024a862d9
 +        return false;
 +
 +    auto* target = m_targets.get(WebPageInspectorTarget::toTargetID(m_inspectedPage->webPageIDInMainFrameProcess()));
++    // The method is expeted to be called only when the WebPage has already been
++    // initilized, so the target must exist.
 +    ASSERT(target);
 +    return target->isPaused();
 +}
 +
++bool WebPageInspectorController::shouldPauseInInspectorWhenShown() const
++{
++    if (!m_frontendRouter->hasFrontends())
++        return false;
++
++    if (!m_inspectedPage->isPageOpenedByDOMShowingInitialEmptyDocument())
++        return false;
++
++    // The method is called from WebPageProxy::initializePage and the
++    // target is not created yet (it is created after the new page is
++    //  initialized and attached to the process).
++    return m_targetAgent->shouldPauseOnStart();
++}
++
 +void WebPageInspectorController::setContinueLoadingCallback(WTF::Function<void()>&& callback)
 +{
 +    auto* target = m_targets.get(WebPageInspectorTarget::toTargetID(m_inspectedPage->webPageIDInMainFrameProcess()));
@@ -14426,7 +14205,7 @@ index e4f2f719746ed69b1226be2d47b16666f2067772..e94eba914cf44bad58c63be024a862d9
  bool WebPageInspectorController::shouldPauseLoading(const ProvisionalPageProxy& provisionalPage) const
  {
      if (!m_frontendRouter->hasFrontends())
-@@ -203,7 +408,7 @@ void WebPageInspectorController::setContinueLoadingCallback(const ProvisionalPag
+@@ -203,7 +424,7 @@ void WebPageInspectorController::setContinueLoadingCallback(const ProvisionalPag
  
  void WebPageInspectorController::didCreateProvisionalPage(ProvisionalPageProxy& provisionalPage)
  {
@@ -14435,7 +14214,7 @@ index e4f2f719746ed69b1226be2d47b16666f2067772..e94eba914cf44bad58c63be024a862d9
  }
  
  void WebPageInspectorController::willDestroyProvisionalPage(const ProvisionalPageProxy& provisionalPage)
-@@ -287,4 +492,30 @@ void WebPageInspectorController::browserExtensionsDisabled(HashSet<String>&& ext
+@@ -287,4 +508,30 @@ void WebPageInspectorController::browserExtensionsDisabled(HashSet<String>&& ext
          m_enabledBrowserAgent->extensionsDisabled(WTFMove(extensionIDs));
  }
  
@@ -14467,7 +14246,7 @@ index e4f2f719746ed69b1226be2d47b16666f2067772..e94eba914cf44bad58c63be024a862d9
 +
  } // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/Inspector/WebPageInspectorController.h b/Source/WebKit/UIProcess/Inspector/WebPageInspectorController.h
-index 29457fc3c76c963bf50b44c011f64398efbae676..999160e64365ad73e87601094b69a86224a2b54e 100644
+index 29457fc3c76c963bf50b44c011f64398efbae676..b931b09dbf2768bdfa49633fc6329fb49b09205a 100644
 --- a/Source/WebKit/UIProcess/Inspector/WebPageInspectorController.h
 +++ b/Source/WebKit/UIProcess/Inspector/WebPageInspectorController.h
 @@ -26,19 +26,43 @@
@@ -14491,7 +14270,7 @@ index 29457fc3c76c963bf50b44c011f64398efbae676..999160e64365ad73e87601094b69a862
 +#include <skia/core/SkImage.h>
 +#endif
 +
-+#if USE(CAIRO)
++#if USE(CAIRO) || PLATFORM(GTK)
 +#include <cairo.h>
 +#endif
  
@@ -14560,7 +14339,7 @@ index 29457fc3c76c963bf50b44c011f64398efbae676..999160e64365ad73e87601094b69a862
  
      bool hasLocalFrontend() const;
  
-@@ -67,11 +122,29 @@ public:
+@@ -67,11 +122,30 @@ public:
  #if ENABLE(REMOTE_INSPECTOR)
      void setIndicating(bool);
  #endif
@@ -14584,13 +14363,14 @@ index 29457fc3c76c963bf50b44c011f64398efbae676..999160e64365ad73e87601094b69a862
  
 +    void setPauseOnStart(bool);
 +
-+    bool shouldPauseLoading() const;
++    bool shouldPauseLoadRequest() const;
++    bool shouldPauseInInspectorWhenShown() const;
 +    void setContinueLoadingCallback(WTF::Function<void()>&&);
 +
      bool shouldPauseLoading(const ProvisionalPageProxy&) const;
      void setContinueLoadingCallback(const ProvisionalPageProxy&, WTF::Function<void()>&&);
  
-@@ -86,11 +159,12 @@ public:
+@@ -86,11 +160,12 @@ public:
      void browserExtensionsDisabled(HashSet<String>&&);
  
  private:
@@ -14604,19 +14384,18 @@ index 29457fc3c76c963bf50b44c011f64398efbae676..999160e64365ad73e87601094b69a862
  
      Ref<Inspector::FrontendRouter> m_frontendRouter;
      Ref<Inspector::BackendDispatcher> m_backendDispatcher;
-@@ -99,11 +173,17 @@ private:
-     WeakRef<WebPageProxy> m_inspectedPage;
- 
+@@ -101,9 +176,16 @@ private:
      CheckedPtr<Inspector::InspectorTargetAgent> m_targetAgent;
+     HashMap<String, std::unique_ptr<InspectorTargetProxy>> m_targets;
+ 
 +    WebPageInspectorEmulationAgent* m_emulationAgent { nullptr };
 +    WebPageInspectorInputAgent* m_inputAgent { nullptr };
 +    InspectorScreencastAgent* m_screecastAgent { nullptr };
-     HashMap<String, std::unique_ptr<InspectorTargetProxy>> m_targets;
- 
++
      CheckedPtr<InspectorBrowserAgent> m_enabledBrowserAgent;
  
      bool m_didCreateLazyAgents { false };
-+    HashMap<WebCore::NavigationIdentifier, NavigationHandler> m_pendingNavigations;
++    UncheckedKeyHashMap<WebCore::NavigationIdentifier, NavigationHandler> m_pendingNavigations;
 +
 +    static WebPageInspectorControllerObserver* s_observer;
  };
@@ -14855,7 +14634,7 @@ index 0000000000000000000000000000000000000000..d0e11ed81a6257c011df23d5870da740
 +} // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/InspectorPlaywrightAgent.cpp b/Source/WebKit/UIProcess/InspectorPlaywrightAgent.cpp
 new file mode 100644
-index 0000000000000000000000000000000000000000..a7a92f6d3730b64e1a8864158f6dbebbabc0b68c
+index 0000000000000000000000000000000000000000..f7b2ecd583cd1eb5bb9e81becdfe07f5a855f2a9
 --- /dev/null
 +++ b/Source/WebKit/UIProcess/InspectorPlaywrightAgent.cpp
 @@ -0,0 +1,1006 @@
@@ -15239,7 +15018,7 @@ index 0000000000000000000000000000000000000000..a7a92f6d3730b64e1a8864158f6dbebb
 +
 +    String browserContextID = toBrowserContextIDProtocolString(page.sessionID());
 +    String pageProxyID = toPageProxyIDProtocolString(page);
-+    auto* opener = page.configuration().relatedPage();
++    auto* opener = page.configuration().openerPageForInspector();
 +    String openerId;
 +    if (opener)
 +        openerId = toPageProxyIDProtocolString(*opener);
@@ -15867,7 +15646,7 @@ index 0000000000000000000000000000000000000000..a7a92f6d3730b64e1a8864158f6dbebb
 +#endif // ENABLE(REMOTE_INSPECTOR)
 diff --git a/Source/WebKit/UIProcess/InspectorPlaywrightAgent.h b/Source/WebKit/UIProcess/InspectorPlaywrightAgent.h
 new file mode 100644
-index 0000000000000000000000000000000000000000..0a3b5a7604ec1abca5c2fff66b02ada96ddce4d1
+index 0000000000000000000000000000000000000000..2cd467df987e1679ff8918c2867bf253ce105b8c
 --- /dev/null
 +++ b/Source/WebKit/UIProcess/InspectorPlaywrightAgent.h
 @@ -0,0 +1,140 @@
@@ -16000,11 +15779,11 @@ index 0000000000000000000000000000000000000000..0a3b5a7604ec1abca5c2fff66b02ada9
 +    std::unique_ptr<InspectorPlaywrightAgentClient> m_client;
 +    std::unique_ptr<Inspector::PlaywrightFrontendDispatcher> m_frontendDispatcher;
 +    Ref<Inspector::PlaywrightBackendDispatcher> m_playwrightDispatcher;
-+    HashMap<String, std::unique_ptr<PageProxyChannel>> m_pageProxyChannels;
++    UncheckedKeyHashMap<String, std::unique_ptr<PageProxyChannel>> m_pageProxyChannels;
 +    BrowserContext* m_defaultContext;
-+    HashMap<String, RefPtr<DownloadProxy>> m_downloads;
-+    HashMap<String, std::unique_ptr<BrowserContext>> m_browserContexts;
-+    HashMap<String, std::unique_ptr<BrowserContextDeletion>> m_browserContextDeletions;
++    UncheckedKeyHashMap<String, RefPtr<DownloadProxy>> m_downloads;
++    UncheckedKeyHashMap<String, std::unique_ptr<BrowserContext>> m_browserContexts;
++    UncheckedKeyHashMap<String, std::unique_ptr<BrowserContextDeletion>> m_browserContextDeletions;
 +    bool m_isEnabled { false };
 +};
 +
@@ -16091,10 +15870,10 @@ index 0000000000000000000000000000000000000000..e7a3dcc533294bb6e12f65d79b5b716b
 +
 +#endif // ENABLE(REMOTE_INSPECTOR)
 diff --git a/Source/WebKit/UIProcess/Launcher/glib/ProcessLauncherGLib.cpp b/Source/WebKit/UIProcess/Launcher/glib/ProcessLauncherGLib.cpp
-index 28a4d766b125615ec3111f4e42c0831bfb69e094..4f15f2335f56220da2fa50ff0ec61b6872d6fd3f 100644
+index 348b454826ee9278e45ed6e265136a55296ee2d1..16575216af8c7b836c52f3747d73ce206b226855 100644
 --- a/Source/WebKit/UIProcess/Launcher/glib/ProcessLauncherGLib.cpp
 +++ b/Source/WebKit/UIProcess/Launcher/glib/ProcessLauncherGLib.cpp
-@@ -176,6 +176,13 @@ void ProcessLauncher::launchProcess()
+@@ -178,6 +178,13 @@ void ProcessLauncher::launchProcess()
          nargs++;
      }
  #endif
@@ -16106,9 +15885,9 @@ index 28a4d766b125615ec3111f4e42c0831bfb69e094..4f15f2335f56220da2fa50ff0ec61b68
 +    }
 +// Playwright end
  
-     char** argv = g_newa(char*, nargs);
-     unsigned i = 0;
-@@ -192,6 +199,10 @@ void ProcessLauncher::launchProcess()
+     WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN // GTK/WPE port
+ 
+@@ -196,6 +203,10 @@ void ProcessLauncher::launchProcess()
      if (configureJSCForTesting)
          argv[i++] = const_cast<char*>("--configure-jsc-for-testing");
  #endif
@@ -16118,7 +15897,7 @@ index 28a4d766b125615ec3111f4e42c0831bfb69e094..4f15f2335f56220da2fa50ff0ec61b68
 +// Playwright end
      argv[i++] = nullptr;
  
-     // Warning: we want GIO to be able to spawn with posix_spawn() rather than fork()/exec(), in
+     WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
 diff --git a/Source/WebKit/UIProcess/Launcher/win/ProcessLauncherWin.cpp b/Source/WebKit/UIProcess/Launcher/win/ProcessLauncherWin.cpp
 index fac881d7c3d44758591d7a9f392a3992ce9f9a72..35eba5a0b31fc6e2d6e5c05c9f866c03d2e1c7d0 100644
 --- a/Source/WebKit/UIProcess/Launcher/win/ProcessLauncherWin.cpp
@@ -16146,20 +15925,8 @@ index fac881d7c3d44758591d7a9f392a3992ce9f9a72..35eba5a0b31fc6e2d6e5c05c9f866c03
      PROCESS_INFORMATION processInformation { };
      BOOL result = ::CreateProcess(0, commandLine.data(), 0, 0, true, 0, 0, 0, &startupInfo, &processInformation);
  
-diff --git a/Source/WebKit/UIProcess/Media/RemoteMediaSessionCoordinatorProxy.cpp b/Source/WebKit/UIProcess/Media/RemoteMediaSessionCoordinatorProxy.cpp
-index 1c2e1038c2a00264eebac03c1e89e6d5a5d247a0..714e4d09ab152330bc281e7c9e8e43e9131af27e 100644
---- a/Source/WebKit/UIProcess/Media/RemoteMediaSessionCoordinatorProxy.cpp
-+++ b/Source/WebKit/UIProcess/Media/RemoteMediaSessionCoordinatorProxy.cpp
-@@ -30,6 +30,7 @@
- 
- #include "Logging.h"
- #include "MediaSessionCoordinatorProxyPrivate.h"
-+#include "MessageSenderInlines.h"
- #include "RemoteMediaSessionCoordinatorMessages.h"
- #include "RemoteMediaSessionCoordinatorProxyMessages.h"
- #include "WebPageProxy.h"
 diff --git a/Source/WebKit/UIProcess/PageClient.h b/Source/WebKit/UIProcess/PageClient.h
-index 960043d7db4e4898380e11300e73e6fe52c6da07..9a5cedfce7dfe331a71ecb10d4dc08845db512d6 100644
+index 06169e91f403da8cb53b1fe6b718b22eeb0a51fe..0162c16f55d6ef76c31887fdf48d184c54f38f18 100644
 --- a/Source/WebKit/UIProcess/PageClient.h
 +++ b/Source/WebKit/UIProcess/PageClient.h
 @@ -74,6 +74,11 @@
@@ -16184,10 +15951,10 @@ index 960043d7db4e4898380e11300e73e6fe52c6da07..9a5cedfce7dfe331a71ecb10d4dc0884
 +#endif
 +#endif
 +
- namespace WebKit {
- class PageClient;
- }
-@@ -377,7 +388,20 @@ public:
+ namespace API {
+ class Attachment;
+ class HitTestResult;
+@@ -372,7 +383,20 @@ public:
      virtual void selectionDidChange() = 0;
  #endif
  
@@ -16335,7 +16102,7 @@ index 0000000000000000000000000000000000000000..3c8fd0549f1847515d35092f0f49b060
 +
 +#endif // ENABLE(FULLSCREEN_API)
 diff --git a/Source/WebKit/UIProcess/ProvisionalFrameProxy.cpp b/Source/WebKit/UIProcess/ProvisionalFrameProxy.cpp
-index 924718f62be57635f13afd3edb3f079906b31540..81d5cb24004311941063610aa4830d92fa3633bc 100644
+index 949c12f22544a17e9047def6f1ddf6a6e6fc1adc..bfd4d442f971e3956ed6d6962f7a570ff0a0755c 100644
 --- a/Source/WebKit/UIProcess/ProvisionalFrameProxy.cpp
 +++ b/Source/WebKit/UIProcess/ProvisionalFrameProxy.cpp
 @@ -25,6 +25,7 @@
@@ -16348,10 +16115,10 @@ index 924718f62be57635f13afd3edb3f079906b31540..81d5cb24004311941063610aa4830d92
  #include "ProvisionalFrameCreationParameters.h"
 diff --git a/Source/WebKit/UIProcess/RemoteInspectorPipe.cpp b/Source/WebKit/UIProcess/RemoteInspectorPipe.cpp
 new file mode 100644
-index 0000000000000000000000000000000000000000..1a824be7d9fcb225d018b4a821fa895e844d7805
+index 0000000000000000000000000000000000000000..b1ddac8c1442cb4da17f50d92599ef9aff6d4066
 --- /dev/null
 +++ b/Source/WebKit/UIProcess/RemoteInspectorPipe.cpp
-@@ -0,0 +1,225 @@
+@@ -0,0 +1,230 @@
 +/*
 + * Copyright (C) 2019 Microsoft Corporation.
 + *
@@ -16384,6 +16151,7 @@ index 0000000000000000000000000000000000000000..1a824be7d9fcb225d018b4a821fa895e
 +
 +#include "InspectorPlaywrightAgent.h"
 +#include <JavaScriptCore/InspectorFrontendChannel.h>
++#include <wtf/Compiler.h>
 +#include <wtf/MainThread.h>
 +#include <wtf/RunLoop.h>
 +#include <wtf/UniqueArray.h>
@@ -16399,6 +16167,8 @@ index 0000000000000000000000000000000000000000..1a824be7d9fcb225d018b4a821fa895e
 +#include <io.h>
 +#endif
 +
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
++
 +namespace WebKit {
 +
 +namespace {
@@ -16577,6 +16347,8 @@ index 0000000000000000000000000000000000000000..1a824be7d9fcb225d018b4a821fa895e
 +} // namespace WebKit
 +
 +#endif // ENABLE(REMOTE_INSPECTOR)
++
++WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
 diff --git a/Source/WebKit/UIProcess/RemoteInspectorPipe.h b/Source/WebKit/UIProcess/RemoteInspectorPipe.h
 new file mode 100644
 index 0000000000000000000000000000000000000000..6d04f9290135069359ce6bf8726546482fd1dc95
@@ -16648,32 +16420,8 @@ index 0000000000000000000000000000000000000000..6d04f9290135069359ce6bf872654648
 +} // namespace WebKit
 +
 +#endif // ENABLE(REMOTE_INSPECTOR)
-diff --git a/Source/WebKit/UIProcess/RemoteLayerTree/mac/RemoteLayerTreeEventDispatcher.h b/Source/WebKit/UIProcess/RemoteLayerTree/mac/RemoteLayerTreeEventDispatcher.h
-index a91f8ca1dabd76b41632ea2d5d4223a7c657dc19..1c9de7acb15fa190a08ab4dc9d30772766a06989 100644
---- a/Source/WebKit/UIProcess/RemoteLayerTree/mac/RemoteLayerTreeEventDispatcher.h
-+++ b/Source/WebKit/UIProcess/RemoteLayerTree/mac/RemoteLayerTreeEventDispatcher.h
-@@ -30,6 +30,7 @@
- #include "DisplayLinkObserverID.h"
- #include "MomentumEventDispatcher.h"
- #include "NativeWebWheelEvent.h"
-+#include "RemoteLayerTreeNode.h"
- #include <WebCore/PlatformLayerIdentifier.h>
- #include <WebCore/ProcessQualified.h>
- #include <pal/HysteresisActivity.h>
-@@ -41,6 +42,11 @@
- #include <wtf/TZoneMalloc.h>
- #include <wtf/ThreadSafeRefCounted.h>
- #include <wtf/threads/BinarySemaphore.h>
-+#include <WebCore/PageIdentifier.h>
-+#include <WebCore/RectEdges.h>
-+
-+#include "NativeWebWheelEvent.h"
-+#include "WebPage.h"
- 
- namespace WebCore {
- class PlatformWheelEvent;
 diff --git a/Source/WebKit/UIProcess/RemotePageProxy.cpp b/Source/WebKit/UIProcess/RemotePageProxy.cpp
-index ba2898874c785f21fb68b77b5a15fd18ce9d68fd..9e0094660772ee3985b6f05700992104ba870e6d 100644
+index eae3ae7fdac55067463e1571068ec8cf25408bd9..707e9feec18d94c3a14b49e5826cab1026ff234a 100644
 --- a/Source/WebKit/UIProcess/RemotePageProxy.cpp
 +++ b/Source/WebKit/UIProcess/RemotePageProxy.cpp
 @@ -44,6 +44,7 @@
@@ -16684,94 +16432,18 @@ index ba2898874c785f21fb68b77b5a15fd18ce9d68fd..9e0094660772ee3985b6f05700992104
  #include <WebCore/RemoteUserInputEventData.h>
  #include <wtf/TZoneMallocInlines.h>
  
-diff --git a/Source/WebKit/UIProcess/RemotePageProxy.h b/Source/WebKit/UIProcess/RemotePageProxy.h
-index 9fef5ebf4661c8aa1df77907ff7c3f077c6bf001..e1ee1fd8ea17b03ca3fcedc8b5d920d67bf90373 100644
---- a/Source/WebKit/UIProcess/RemotePageProxy.h
-+++ b/Source/WebKit/UIProcess/RemotePageProxy.h
-@@ -76,7 +76,6 @@ class WebProcessProxy;
- 
- struct FrameInfoData;
- struct FrameTreeCreationParameters;
--struct NavigationActionData;
- 
- class RemotePageProxy : public IPC::MessageReceiver {
-     WTF_MAKE_TZONE_ALLOCATED(RemotePageProxy);
-diff --git a/Source/WebKit/UIProcess/WebAuthentication/fido/U2fAuthenticator.cpp b/Source/WebKit/UIProcess/WebAuthentication/fido/U2fAuthenticator.cpp
-index 40531b866fda1c35dbddb90f2ac1027688b2a09c..82003f78d7d2c9fbf2d393187636cf8b0bcf228f 100644
---- a/Source/WebKit/UIProcess/WebAuthentication/fido/U2fAuthenticator.cpp
-+++ b/Source/WebKit/UIProcess/WebAuthentication/fido/U2fAuthenticator.cpp
-@@ -37,6 +37,7 @@
- #include <WebCore/U2fResponseConverter.h>
- #include <wtf/text/Base64.h>
- #include <wtf/text/MakeString.h>
-+#include <wtf/text/Base64.h>
- 
- #define U2F_RELEASE_LOG(fmt, ...) RELEASE_LOG(WebAuthn, "%p [transport=%s] - U2fAuthenticator::" fmt, this, transportForDebugging().utf8().data(), ##__VA_ARGS__)
- 
-diff --git a/Source/WebKit/UIProcess/WebContextMenuProxy.cpp b/Source/WebKit/UIProcess/WebContextMenuProxy.cpp
-index 71fdc0b69e820af7f955482b42562e941eeac349..2a2d55e5a67aa7120193fd55913d3dbbbac62919 100644
---- a/Source/WebKit/UIProcess/WebContextMenuProxy.cpp
-+++ b/Source/WebKit/UIProcess/WebContextMenuProxy.cpp
-@@ -33,6 +33,7 @@
- #include "WebPageMessages.h"
- #include "WebPageProxy.h"
- #include "WebProcessProxy.h"
-+#include "MessageSenderInlines.h"
- 
- namespace WebKit {
- 
 diff --git a/Source/WebKit/UIProcess/WebContextMenuProxy.h b/Source/WebKit/UIProcess/WebContextMenuProxy.h
-index e2ded3c65b9680346be2534a3e970e2f425a83a8..b0c006c1dcbfae4b33530f8eae04f9868cd4d8b9 100644
+index c951d8577473371d8eb59ad651451737349c4389..b38cd0967ae45733a94594fd25900ddc1d49c3f6 100644
 --- a/Source/WebKit/UIProcess/WebContextMenuProxy.h
 +++ b/Source/WebKit/UIProcess/WebContextMenuProxy.h
-@@ -46,6 +46,7 @@ public:
-     virtual ~WebContextMenuProxy();
+@@ -49,6 +49,7 @@ public:
+     void deref() const final { RefCounted::deref(); }
  
      virtual void show();
 +    virtual void hide() {}
  
      WebPageProxy* page() const { return m_page.get(); }
  
-diff --git a/Source/WebKit/UIProcess/WebFrameProxy.cpp b/Source/WebKit/UIProcess/WebFrameProxy.cpp
-index 1cbf04be848366e881fd8ceec3de82628786548b..03ba18dcd9eb7b8c9ad95b5546adbcf2e8b76e4a 100644
---- a/Source/WebKit/UIProcess/WebFrameProxy.cpp
-+++ b/Source/WebKit/UIProcess/WebFrameProxy.cpp
-@@ -31,6 +31,7 @@
- #include "Connection.h"
- #include "DrawingAreaMessages.h"
- #include "DrawingAreaProxy.h"
-+#include "FormDataReference.h"
- #include "FrameProcess.h"
- #include "FrameTreeCreationParameters.h"
- #include "FrameTreeNodeData.h"
-@@ -42,6 +43,7 @@
- #include "RemotePageProxy.h"
- #include "WebFramePolicyListenerProxy.h"
- #include "WebNavigationState.h"
-+#include "WebPageInspectorController.h"
- #include "WebPageMessages.h"
- #include "WebPageProxy.h"
- #include "WebPageProxyMessages.h"
-diff --git a/Source/WebKit/UIProcess/WebNavigationState.h b/Source/WebKit/UIProcess/WebNavigationState.h
-index 26077dc941a14d58e6a07182d650abb48cc8b62c..77ed2b05ded42183b8274e46c69957f7b6dc2eae 100644
---- a/Source/WebKit/UIProcess/WebNavigationState.h
-+++ b/Source/WebKit/UIProcess/WebNavigationState.h
-@@ -31,6 +31,7 @@
- #include <wtf/Ref.h>
- #include <wtf/TZoneMalloc.h>
- #include <wtf/WeakPtr.h>
-+#include "WebPageProxy.h"
- 
- namespace WebKit {
- class WebNavigationState;
-@@ -54,7 +55,6 @@ enum class FrameLoadType : uint8_t;
- 
- namespace WebKit {
- 
--class WebPageProxy;
- class WebBackForwardListItem;
- 
- class WebNavigationState : public CanMakeWeakPtr<WebNavigationState> {
 diff --git a/Source/WebKit/UIProcess/WebPageInspectorEmulationAgent.cpp b/Source/WebKit/UIProcess/WebPageInspectorEmulationAgent.cpp
 new file mode 100644
 index 0000000000000000000000000000000000000000..0a8d10ae990997684766df46719c65aa8dd77f28
@@ -16939,7 +16611,7 @@ index 0000000000000000000000000000000000000000..0a8d10ae990997684766df46719c65aa
 +} // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/WebPageInspectorEmulationAgent.h b/Source/WebKit/UIProcess/WebPageInspectorEmulationAgent.h
 new file mode 100644
-index 0000000000000000000000000000000000000000..b70bfe0411571f4d181a7fae3186aaae7cd7b831
+index 0000000000000000000000000000000000000000..d00d00ce8fd800dc1497b36b8a495c5b9aef6f58
 --- /dev/null
 +++ b/Source/WebKit/UIProcess/WebPageInspectorEmulationAgent.h
 @@ -0,0 +1,76 @@
@@ -17015,7 +16687,7 @@ index 0000000000000000000000000000000000000000..b70bfe0411571f4d181a7fae3186aaae
 +    Ref<Inspector::EmulationBackendDispatcher> m_backendDispatcher;
 +    WebPageProxy& m_page;
 +    Vector<Function<void()>> m_commandsToRunWhenShown;
-+    HashMap<String, HashSet<String>> m_permissions;
++    UncheckedKeyHashMap<String, HashSet<String>> m_permissions;
 +};
 +
 +} // namespace WebKit
@@ -17513,10 +17185,10 @@ index 0000000000000000000000000000000000000000..26a2a3c0791c334f811ec99a630314f8
 +
 +} // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/WebPageProxy.cpp b/Source/WebKit/UIProcess/WebPageProxy.cpp
-index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf42681697b2ed14 100644
+index d6d3a2ad0eca1473543f79daa4a4a6fbf8c0d2a9..0c38e87c731d802974780d4d84a3e02db2fc180e 100644
 --- a/Source/WebKit/UIProcess/WebPageProxy.cpp
 +++ b/Source/WebKit/UIProcess/WebPageProxy.cpp
-@@ -195,12 +195,14 @@
+@@ -197,12 +197,14 @@
  #include <WebCore/ArchiveError.h>
  #include <WebCore/BitmapImage.h>
  #include <WebCore/CaptureDeviceManager.h>
@@ -17531,7 +17203,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  #include <WebCore/DragController.h>
  #include <WebCore/DragData.h>
  #include <WebCore/ElementContext.h>
-@@ -222,6 +224,7 @@
+@@ -225,6 +227,7 @@
  #include <WebCore/ModalContainerTypes.h>
  #include <WebCore/NotImplemented.h>
  #include <WebCore/OrganizationStorageAccessPromptQuirk.h>
@@ -17539,7 +17211,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  #include <WebCore/PerformanceLoggingClient.h>
  #include <WebCore/PermissionDescriptor.h>
  #include <WebCore/PermissionState.h>
-@@ -229,12 +232,15 @@
+@@ -232,11 +235,14 @@
  #include <WebCore/PublicSuffixStore.h>
  #include <WebCore/Quirks.h>
  #include <WebCore/RealtimeMediaSourceCenter.h>
@@ -17548,14 +17220,13 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  #include <WebCore/RenderEmbeddedObject.h>
  #include <WebCore/ResourceLoadStatistics.h>
  #include <WebCore/RunJavaScriptParameters.h>
- #include <WebCore/RuntimeApplicationChecks.h>
 +#include <WebCore/SecurityOriginData.h>
  #include <WebCore/SerializedCryptoKeyWrap.h>
 +#include <WebCore/ScreenOrientationType.h>
  #include <WebCore/ShareData.h>
  #include <WebCore/SharedBuffer.h>
  #include <WebCore/ShouldTreatAsContinuingLoad.h>
-@@ -319,6 +325,9 @@
+@@ -321,6 +327,9 @@
  #if USE(GBM)
  #include "AcceleratedBackingStoreDMABuf.h"
  #endif
@@ -17565,7 +17236,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  #include <WebCore/SelectionData.h>
  #endif
  
-@@ -443,6 +452,8 @@ static constexpr Seconds tryCloseTimeoutDelay = 50_ms;
+@@ -445,6 +454,8 @@ static constexpr Seconds tryCloseTimeoutDelay = 50_ms;
  static constexpr Seconds audibleActivityClearDelay = 10_s;
  #endif
  
@@ -17574,7 +17245,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, webPageProxyCounter, ("WebPageProxy"));
  
  #if PLATFORM(COCOA)
-@@ -868,6 +879,10 @@ WebPageProxy::~WebPageProxy()
+@@ -916,6 +927,10 @@ WebPageProxy::~WebPageProxy()
      if (preferences->mediaSessionCoordinatorEnabled())
          GroupActivitiesSessionNotifier::singleton().removeWebPage(*this);
  #endif
@@ -17585,25 +17256,25 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  }
  
  Ref<WebPageProxy> WebPageProxy::Internals::protectedPage() const
-@@ -1429,6 +1444,7 @@ void WebPageProxy::finishAttachingToWebProcess(const Site& site, ProcessLaunchRe
+@@ -1487,6 +1502,7 @@ void WebPageProxy::finishAttachingToWebProcess(const Site& site, ProcessLaunchRe
      if (RefPtr pageClient = this->pageClient())
          pageClient->didRelaunchProcess();
-     internals().pageLoadState.didSwapWebProcesses();
+     protectedPageLoadState()->didSwapWebProcesses();
 +    m_inspectorController->didFinishAttachingToWebProcess();
  }
  
  void WebPageProxy::didAttachToRunningProcess()
-@@ -1437,7 +1453,7 @@ void WebPageProxy::didAttachToRunningProcess()
+@@ -1495,7 +1511,7 @@ void WebPageProxy::didAttachToRunningProcess()
  
  #if ENABLE(FULLSCREEN_API)
      ASSERT(!m_fullScreenManager);
--    m_fullScreenManager = makeUnique<WebFullScreenManagerProxy>(*this, protectedPageClient()->fullScreenManagerProxyClient());
-+    m_fullScreenManager = makeUnique<WebFullScreenManagerProxy>(*this, m_fullScreenManagerClientOverride ? *m_fullScreenManagerClientOverride : protectedPageClient()->fullScreenManagerProxyClient());
+-    m_fullScreenManager = WebFullScreenManagerProxy::create(*this, protectedPageClient()->fullScreenManagerProxyClient());
++    m_fullScreenManager = WebFullScreenManagerProxy::create(*this, m_fullScreenManagerClientOverride ? *m_fullScreenManagerClientOverride : protectedPageClient()->fullScreenManagerProxyClient());
  #endif
  #if ENABLE(VIDEO_PRESENTATION_MODE)
      ASSERT(!m_playbackSessionManager);
-@@ -1877,6 +1893,21 @@ WebProcessProxy& WebPageProxy::ensureRunningProcess()
-     return m_legacyMainFrameProcess;
+@@ -1951,6 +1967,21 @@ Ref<WebProcessProxy> WebPageProxy::ensureProtectedRunningProcess()
+     return ensureRunningProcess();
  }
  
 +RefPtr<API::Navigation> WebPageProxy::loadRequestForInspector(WebCore::ResourceRequest&& request, WebFrameProxy* frame)
@@ -17621,11 +17292,45 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
 +    return navigation;
 +}
 +
- RefPtr<API::Navigation> WebPageProxy::loadRequest(ResourceRequest&& request, ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy, IsPerformingHTTPFallback isPerformingHTTPFallback, API::Object* userData)
+ RefPtr<API::Navigation> WebPageProxy::loadRequest(WebCore::ResourceRequest&& request, ShouldOpenExternalURLsPolicy shouldOpenExternalURLsPolicy, IsPerformingHTTPFallback isPerformingHTTPFallback, std::unique_ptr<NavigationActionData>&& lastNavigationAction, API::Object* userData)
  {
      if (m_isClosed)
-@@ -2507,6 +2538,61 @@ void WebPageProxy::setControlledByAutomation(bool controlled)
-     websiteDataStore().protectedNetworkProcess()->send(Messages::NetworkProcess::SetSessionIsControlledByAutomation(m_websiteDataStore->sessionID(), m_controlledByAutomation), 0);
+@@ -2042,11 +2073,29 @@ void WebPageProxy::loadRequestWithNavigationShared(Ref<WebProcessProxy>&& proces
+ 
+         navigation->setIsLoadedWithNavigationShared(true);
+         protectedProcess->markProcessAsRecentlyUsed();
+-        if (!protectedProcess->isLaunching() || !url.protocolIsFile())
+-            protectedProcess->send(Messages::WebPage::LoadRequest(WTFMove(loadParameters)), webPageID);
++
++        // Pause loading for new window navigation.
++        Function<void()> continuation = [
++            weakThis = WeakPtr { protectedThis },
++            weakProcess = WeakPtr { protectedProcess },
++            loadParameters = WTFMove(loadParameters),
++            webPageID,
++            url
++        ]() mutable {
++            RefPtr innerProtectedProcess = weakProcess.get();
++            RefPtr innerProtectedThis = weakThis.get();
++            if (!innerProtectedProcess || !innerProtectedThis)
++                return;
++            if (!innerProtectedProcess->isLaunching() || !url.protocolIsFile())
++                innerProtectedProcess->send(Messages::WebPage::LoadRequest(WTFMove(loadParameters)), webPageID);
++            else
++                innerProtectedProcess->send(Messages::WebPage::LoadRequestWaitingForProcessLaunch(WTFMove(loadParameters), innerProtectedThis->internals().pageLoadState.resourceDirectoryURL(), innerProtectedThis->identifier(), true), webPageID);
++            innerProtectedProcess->startResponsivenessTimer();
++        };
++        if (protectedThis->m_inspectorController->shouldPauseLoadRequest())
++            protectedThis->m_inspectorController->setContinueLoadingCallback(WTFMove(continuation));
+         else
+-            protectedProcess->send(Messages::WebPage::LoadRequestWaitingForProcessLaunch(WTFMove(loadParameters), protectedThis->internals().pageLoadState.resourceDirectoryURL(), protectedThis->identifier(), true), webPageID);
+-        protectedProcess->startResponsivenessTimer();
++            continuation();
+     });
+ }
+ 
+@@ -2588,6 +2637,61 @@ void WebPageProxy::setControlledByAutomation(bool controlled)
+     protectedWebsiteDataStore()->protectedNetworkProcess()->send(Messages::NetworkProcess::SetSessionIsControlledByAutomation(m_websiteDataStore->sessionID(), m_controlledByAutomation), 0);
  }
  
 +void WebPageProxy::setAuthCredentialsForAutomation(std::optional<WebCore::Credential>&& credentials, std::optional<URL>&& origin)
@@ -17634,7 +17339,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
 +    m_authOriginForAutomation = WTFMove(origin);
 +}
 +
-+void WebPageProxy::setPermissionsForAutomation(const HashMap<String, HashSet<String>>& permissions)
++void WebPageProxy::setPermissionsForAutomation(const UncheckedKeyHashMap<String, HashSet<String>>& permissions)
 +{
 +    m_permissionsForAutomation = permissions;
 +}
@@ -17686,7 +17391,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  void WebPageProxy::createInspectorTarget(IPC::Connection& connection, const String& targetId, Inspector::InspectorTargetType type)
  {
      MESSAGE_CHECK_BASE(!targetId.isEmpty(), connection);
-@@ -2756,6 +2842,24 @@ void WebPageProxy::updateActivityState(OptionSet<ActivityState> flagsToUpdate)
+@@ -2837,6 +2941,24 @@ void WebPageProxy::updateActivityState(OptionSet<ActivityState> flagsToUpdate)
      bool wasVisible = isViewVisible();
      RefPtr pageClient = this->pageClient();
      internals().activityState.remove(flagsToUpdate);
@@ -17711,7 +17416,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      if (flagsToUpdate & ActivityState::IsFocused && pageClient->isViewFocused())
          internals().activityState.add(ActivityState::IsFocused);
      if (flagsToUpdate & ActivityState::WindowIsActive && pageClient->isViewWindowActive())
-@@ -3522,7 +3626,7 @@ void WebPageProxy::performDragOperation(DragData& dragData, const String& dragSt
+@@ -3603,7 +3725,7 @@ void WebPageProxy::performDragOperation(DragData& dragData, const String& dragSt
      if (!hasRunningProcess())
          return;
  
@@ -17720,7 +17425,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      URL url { dragData.asURL() };
      if (url.protocolIsFile())
          protectedLegacyMainFrameProcess()->assumeReadAccessToBaseURL(*this, url.string(), [] { });
-@@ -3550,6 +3654,8 @@ void WebPageProxy::performDragControllerAction(DragControllerAction action, Drag
+@@ -3631,6 +3753,8 @@ void WebPageProxy::performDragControllerAction(DragControllerAction action, Drag
      if (!hasRunningProcess())
          return;
  
@@ -17729,7 +17434,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      auto completionHandler = [this, protectedThis = Ref { *this }, action, dragData] (std::optional<WebCore::DragOperation> dragOperation, WebCore::DragHandlingMethod dragHandlingMethod, bool mouseIsOverFileInput, unsigned numberOfItemsToBeAccepted, const IntRect& insertionRect, const IntRect& editableElementRect, std::optional<WebCore::RemoteUserInputEventData> remoteUserInputEventData) mutable {
          if (!m_pageClient)
              return;
-@@ -3561,7 +3667,7 @@ void WebPageProxy::performDragControllerAction(DragControllerAction action, Drag
+@@ -3642,7 +3766,7 @@ void WebPageProxy::performDragControllerAction(DragControllerAction action, Drag
          dragData.setClientPosition(remoteUserInputEventData->transformedPoint);
          performDragControllerAction(action, dragData, remoteUserInputEventData->targetFrameID);
      };
@@ -17738,7 +17443,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      ASSERT(dragData.platformData());
      sendWithAsyncReplyToProcessContainingFrame(frameID, Messages::WebPage::PerformDragControllerAction(action, dragData.clientPosition(), dragData.globalPosition(), dragData.draggingSourceOperationMask(), *dragData.platformData(), dragData.flags()), WTFMove(completionHandler));
  #else
-@@ -3595,14 +3701,35 @@ void WebPageProxy::didPerformDragControllerAction(std::optional<WebCore::DragOpe
+@@ -3676,14 +3800,35 @@ void WebPageProxy::didPerformDragControllerAction(std::optional<WebCore::DragOpe
      setDragCaretRect(insertionRect);
      if (RefPtr pageClient = this->pageClient())
          pageClient->didPerformDragControllerAction();
@@ -17778,7 +17483,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      }
      didStartDrag();
  }
-@@ -3624,6 +3751,24 @@ void WebPageProxy::dragEnded(const IntPoint& clientPosition, const IntPoint& glo
+@@ -3705,6 +3850,24 @@ void WebPageProxy::dragEnded(const IntPoint& clientPosition, const IntPoint& glo
      setDragCaretRect({ });
  }
  
@@ -17803,7 +17508,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  void WebPageProxy::didStartDrag()
  {
      if (!hasRunningProcess())
-@@ -3631,6 +3776,26 @@ void WebPageProxy::didStartDrag()
+@@ -3712,6 +3875,26 @@ void WebPageProxy::didStartDrag()
  
      discardQueuedMouseEvents();
      send(Messages::WebPage::DidStartDrag());
@@ -17830,7 +17535,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  }
  
  void WebPageProxy::dragCancelled()
-@@ -3778,26 +3943,47 @@ void WebPageProxy::processNextQueuedMouseEvent()
+@@ -3859,26 +4042,47 @@ void WebPageProxy::processNextQueuedMouseEvent()
          process->startResponsivenessTimer();
      }
  
@@ -17890,7 +17595,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  }
  
  void WebPageProxy::doAfterProcessingAllPendingMouseEvents(WTF::Function<void ()>&& action)
-@@ -3965,6 +4151,8 @@ void WebPageProxy::wheelEventHandlingCompleted(bool wasHandled)
+@@ -4047,6 +4251,8 @@ void WebPageProxy::wheelEventHandlingCompleted(bool wasHandled)
      
      if (RefPtr automationSession = configuration().processPool().automationSession())
          automationSession->wheelEventsFlushedForPage(*this);
@@ -17899,16 +17604,16 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  }
  
  void WebPageProxy::cacheWheelEventScrollingAccelerationCurve(const NativeWebWheelEvent& nativeWheelEvent)
-@@ -4100,7 +4288,7 @@ static TrackingType mergeTrackingTypes(TrackingType a, TrackingType b)
+@@ -4182,7 +4388,7 @@ static TrackingType mergeTrackingTypes(TrackingType a, TrackingType b)
  
  void WebPageProxy::updateTouchEventTracking(const WebTouchEvent& touchStartEvent)
  {
 -#if ENABLE(ASYNC_SCROLLING) && PLATFORM(COCOA)
 +#if ENABLE(ASYNC_SCROLLING) && PLATFORM(IOS_FAMILY)
      for (auto& touchPoint : touchStartEvent.touchPoints()) {
-         auto location = touchPoint.location();
+         auto location = touchPoint.locationInRootView();
          auto update = [this, location](TrackingType& trackingType, EventTrackingRegions::EventType eventType) {
-@@ -4723,6 +4911,7 @@ void WebPageProxy::receivedNavigationActionPolicyDecision(WebProcessProxy& proce
+@@ -4804,6 +5010,7 @@ void WebPageProxy::receivedNavigationActionPolicyDecision(WebProcessProxy& proce
  
  void WebPageProxy::receivedPolicyDecision(PolicyAction action, API::Navigation* navigation, RefPtr<API::WebsitePolicies>&& websitePolicies, Ref<API::NavigationAction>&& navigationAction, WillContinueLoadInNewProcess willContinueLoadInNewProcess, std::optional<SandboxExtension::Handle> sandboxExtensionHandle, std::optional<PolicyDecisionConsoleMessage>&& consoleMessage, CompletionHandler<void(PolicyDecision&&)>&& completionHandler)
  {
@@ -17916,28 +17621,23 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      if (!hasRunningProcess())
          return completionHandler(PolicyDecision { });
  
-@@ -5671,6 +5860,12 @@ void WebPageProxy::pageScaleFactorDidChange(IPC::Connection& connection, double
-     m_pageScaleFactor = scaleFactor;
- }
- 
-+void WebPageProxy::viewScaleFactorDidChange(IPC::Connection& connection, double scaleFactor)
-+{
-+    MESSAGE_CHECK_BASE(scaleFactorIsValid(scaleFactor), connection);
+@@ -5790,6 +5997,7 @@ void WebPageProxy::viewScaleFactorDidChange(IPC::Connection& connection, double
+     MESSAGE_CHECK_BASE(scaleFactorIsValid(scaleFactor), connection);
+     if (!legacyMainFrameProcess().hasConnection(connection))
+         return;
 +    m_viewScaleFactor = scaleFactor;
-+}
-+
- void WebPageProxy::pluginScaleFactorDidChange(IPC::Connection& connection, double pluginScaleFactor)
- {
-     MESSAGE_CHECK_BASE(scaleFactorIsValid(pluginScaleFactor), connection);
-@@ -6283,6 +6478,7 @@ void WebPageProxy::didDestroyNavigationShared(Ref<WebProcessProxy>&& process, We
+ 
+     forEachWebContentProcess([&] (auto& process, auto pageID) {
+         if (&process == &legacyMainFrameProcess())
+@@ -6436,6 +6644,7 @@ void WebPageProxy::didDestroyNavigationShared(Ref<WebProcessProxy>&& process, We
      RefPtr protectedPageClient { pageClient() };
  
-     m_navigationState->didDestroyNavigation(process->coreProcessIdentifier(), navigationID);
+     protectedNavigationState()->didDestroyNavigation(process->coreProcessIdentifier(), navigationID);
 +    m_inspectorController->didDestroyNavigation(navigationID);
  }
  
  void WebPageProxy::didStartProvisionalLoadForFrame(FrameIdentifier frameID, FrameInfoData&& frameInfo, ResourceRequest&& request, std::optional<WebCore::NavigationIdentifier> navigationID, URL&& url, URL&& unreachableURL, const UserData& userData, WallTime timestamp)
-@@ -6603,6 +6799,8 @@ void WebPageProxy::didFailProvisionalLoadForFrameShared(Ref<WebProcessProxy>&& p
+@@ -6761,6 +6970,8 @@ void WebPageProxy::didFailProvisionalLoadForFrameShared(Ref<WebProcessProxy>&& p
  
      m_failingProvisionalLoadURL = { };
  
@@ -17946,15 +17646,26 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      // If the provisional page's load fails then we destroy the provisional page.
      if (m_provisionalPage && m_provisionalPage->mainFrame() == &frame && willContinueLoading == WillContinueLoading::No)
          m_provisionalPage = nullptr;
-@@ -7966,6 +8164,7 @@ void WebPageProxy::createNewPage(IPC::Connection& connection, WindowFeatures&& w
+@@ -8151,8 +8362,9 @@ void WebPageProxy::createNewPage(IPC::Connection& connection, WindowFeatures&& w
      if (RefPtr page = originatingFrameInfo->page())
          openerAppInitiatedState = page->lastNavigationWasAppInitiated();
  
+-    auto navigationDataForNewProcess = navigationActionData.hasOpener ? nullptr : makeUnique<NavigationActionData>(navigationActionData);
 +    m_inspectorController->willCreateNewPage(windowFeatures, request.url());
+ 
++    auto navigationDataForNewProcess = navigationActionData.hasOpener ? nullptr : makeUnique<NavigationActionData>(navigationActionData);
      auto completionHandler = [
          this,
          protectedThis = Ref { *this },
-@@ -8043,6 +8242,7 @@ void WebPageProxy::createNewPage(IPC::Connection& connection, WindowFeatures&& w
+@@ -8221,6 +8433,7 @@ void WebPageProxy::createNewPage(IPC::Connection& connection, WindowFeatures&& w
+     configuration->setInitialSandboxFlags(effectiveSandboxFlags);
+     configuration->setWindowFeatures(WTFMove(windowFeatures));
+     configuration->setOpenedMainFrameName(openedMainFrameName);
++    configuration->setOpenerPageForInspector(*this);
+ 
+     if (RefPtr openerFrame = WebFrameProxy::webFrame(originatingFrameInfoData.frameID); navigationActionData.hasOpener && openerFrame) {
+         configuration->setRelatedPage(*this);
+@@ -8245,6 +8458,7 @@ void WebPageProxy::createNewPage(IPC::Connection& connection, WindowFeatures&& w
  void WebPageProxy::showPage()
  {
      m_uiClient->showPage(this);
@@ -17962,7 +17673,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  }
  
  bool WebPageProxy::hasOpenedPage() const
-@@ -8157,6 +8357,10 @@ void WebPageProxy::closePage()
+@@ -8359,6 +8573,10 @@ void WebPageProxy::closePage()
      if (isClosed())
          return;
  
@@ -17973,7 +17684,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      WEBPAGEPROXY_RELEASE_LOG(Process, "closePage:");
      if (RefPtr pageClient = this->pageClient())
          pageClient->clearAllEditCommands();
-@@ -8194,6 +8398,8 @@ void WebPageProxy::runJavaScriptAlert(IPC::Connection& connection, FrameIdentifi
+@@ -8396,6 +8614,8 @@ void WebPageProxy::runJavaScriptAlert(IPC::Connection& connection, FrameIdentifi
      }
  
      runModalJavaScriptDialog(WTFMove(frame), WTFMove(frameInfo), message, [reply = WTFMove(reply)](WebPageProxy& page, WebFrameProxy* frame, FrameInfoData&& frameInfo, const String& message, CompletionHandler<void()>&& completion) mutable {
@@ -17982,7 +17693,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
          page.m_uiClient->runJavaScriptAlert(page, message, frame, WTFMove(frameInfo), [reply = WTFMove(reply), completion = WTFMove(completion)]() mutable {
              reply();
              completion();
-@@ -8215,6 +8421,8 @@ void WebPageProxy::runJavaScriptConfirm(IPC::Connection& connection, FrameIdenti
+@@ -8417,6 +8637,8 @@ void WebPageProxy::runJavaScriptConfirm(IPC::Connection& connection, FrameIdenti
          if (RefPtr automationSession = configuration().processPool().automationSession())
              automationSession->willShowJavaScriptDialog(*this);
      }
@@ -17991,7 +17702,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  
      runModalJavaScriptDialog(WTFMove(frame), WTFMove(frameInfo), message, [reply = WTFMove(reply)](WebPageProxy& page, WebFrameProxy* frame, FrameInfoData&& frameInfo, const String& message, CompletionHandler<void()>&& completion) mutable {
          page.m_uiClient->runJavaScriptConfirm(page, message, frame, WTFMove(frameInfo), [reply = WTFMove(reply), completion = WTFMove(completion)](bool result) mutable {
-@@ -8238,6 +8446,8 @@ void WebPageProxy::runJavaScriptPrompt(IPC::Connection& connection, FrameIdentif
+@@ -8440,6 +8662,8 @@ void WebPageProxy::runJavaScriptPrompt(IPC::Connection& connection, FrameIdentif
          if (RefPtr automationSession = configuration().processPool().automationSession())
              automationSession->willShowJavaScriptDialog(*this);
      }
@@ -18000,7 +17711,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  
      runModalJavaScriptDialog(WTFMove(frame), WTFMove(frameInfo), message, [reply = WTFMove(reply), defaultValue](WebPageProxy& page, WebFrameProxy* frame, FrameInfoData&& frameInfo, const String& message, CompletionHandler<void()>&& completion) mutable {
          page.m_uiClient->runJavaScriptPrompt(page, message, defaultValue, frame, WTFMove(frameInfo), [reply = WTFMove(reply), completion = WTFMove(completion)](auto& result) mutable {
-@@ -8366,6 +8576,8 @@ void WebPageProxy::runBeforeUnloadConfirmPanel(IPC::Connection& connection, Fram
+@@ -8568,6 +8792,8 @@ void WebPageProxy::runBeforeUnloadConfirmPanel(IPC::Connection& connection, Fram
              return;
          }
      }
@@ -18009,7 +17720,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  
      // Since runBeforeUnloadConfirmPanel() can spin a nested run loop we need to turn off the responsiveness timer and the tryClose timer.
      protectedLegacyMainFrameProcess()->stopResponsivenessTimer();
-@@ -8936,6 +9148,11 @@ void WebPageProxy::resourceLoadDidCompleteWithError(ResourceLoadInfo&& loadInfo,
+@@ -9134,6 +9360,11 @@ void WebPageProxy::resourceLoadDidCompleteWithError(ResourceLoadInfo&& loadInfo,
  }
  
  #if ENABLE(FULLSCREEN_API)
@@ -18021,7 +17732,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
  WebFullScreenManagerProxy* WebPageProxy::fullScreenManager()
  {
      return m_fullScreenManager.get();
-@@ -9041,6 +9258,17 @@ void WebPageProxy::requestDOMPasteAccess(DOMPasteAccessCategory pasteAccessCateg
+@@ -9244,6 +9475,17 @@ void WebPageProxy::requestDOMPasteAccess(IPC::Connection& connection, DOMPasteAc
          }
      }
  
@@ -18039,7 +17750,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      m_pageClient->requestDOMPasteAccess(pasteAccessCategory, requiresInteraction, elementRect, originIdentifier, WTFMove(completionHandler));
  }
  
-@@ -9979,6 +10207,8 @@ void WebPageProxy::mouseEventHandlingCompleted(std::optional<WebEventType> event
+@@ -10241,6 +10483,8 @@ void WebPageProxy::mouseEventHandlingCompleted(std::optional<WebEventType> event
          if (RefPtr automationSession = configuration().processPool().automationSession())
              automationSession->mouseEventsFlushedForPage(*this);
          didFinishProcessingAllPendingMouseEvents();
@@ -18048,7 +17759,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      }
  }
  
-@@ -10014,6 +10244,7 @@ void WebPageProxy::keyEventHandlingCompleted(std::optional<WebEventType> eventTy
+@@ -10275,6 +10519,7 @@ void WebPageProxy::keyEventHandlingCompleted(std::optional<WebEventType> eventTy
      if (!canProcessMoreKeyEvents) {
          if (RefPtr automationSession = configuration().processPool().automationSession())
              automationSession->keyboardEventsFlushedForPage(*this);
@@ -18056,9 +17767,9 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      }
  }
  
-@@ -10431,7 +10662,10 @@ void WebPageProxy::dispatchProcessDidTerminate(ProcessTerminationReason reason)
- {
-     WEBPAGEPROXY_RELEASE_LOG_ERROR(Loading, "dispatchProcessDidTerminate: reason=%" PUBLIC_LOG_STRING, processTerminationReasonToString(reason).characters());
+@@ -10696,7 +10941,10 @@ void WebPageProxy::dispatchProcessDidTerminate(WebProcessProxy& process, Process
+     if (m_preferences->siteIsolationEnabled())
+         m_browsingContextGroup->processDidTerminate(*this, process);
  
 -    bool handledByClient = false;
 +    bool handledByClient = m_inspectorController->pageCrashed(reason);
@@ -18068,16 +17779,16 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      if (m_loaderClient)
          handledByClient = reason != ProcessTerminationReason::RequestedByClient && m_loaderClient->processDidCrash(*this);
      else
-@@ -11065,6 +11299,8 @@ WebPageCreationParameters WebPageProxy::creationParameters(WebProcessProxy& proc
+@@ -11343,6 +11591,8 @@ WebPageCreationParameters WebPageProxy::creationParameters(WebProcessProxy& proc
  
-     parameters.httpsUpgradeEnabled = preferences().upgradeKnownHostsToHTTPSEnabled() ? m_configuration->httpsUpgradeEnabled() : false;
+     parameters.httpsUpgradeEnabled = preferences->upgradeKnownHostsToHTTPSEnabled() ? configuration->httpsUpgradeEnabled() : false;
  
-+    parameters.shouldPauseInInspectorWhenShown = m_inspectorController->shouldPauseLoading();
++    parameters.shouldPauseInInspectorWhenShown = m_inspectorController->shouldPauseInInspectorWhenShown();
 +
  #if PLATFORM(IOS) || PLATFORM(VISION)
      // FIXME: This is also being passed over the to WebProcess via the PreferencesStore.
      parameters.allowsDeprecatedSynchronousXMLHttpRequestDuringUnload = allowsDeprecatedSynchronousXMLHttpRequestDuringUnload();
-@@ -11229,8 +11465,42 @@ void WebPageProxy::allowGamepadAccess()
+@@ -11502,8 +11752,42 @@ void WebPageProxy::allowGamepadAccess()
  
  #endif // ENABLE(GAMEPAD)
  
@@ -18120,7 +17831,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      if (negotiatedLegacyTLS == NegotiatedLegacyTLS::Yes) {
          m_navigationClient->shouldAllowLegacyTLS(*this, authenticationChallenge.get(), [this, protectedThis = Ref { *this }, authenticationChallenge] (bool shouldAllowLegacyTLS) {
              if (shouldAllowLegacyTLS)
-@@ -11324,6 +11594,12 @@ void WebPageProxy::requestGeolocationPermissionForFrame(IPC::Connection& connect
+@@ -11597,6 +11881,12 @@ void WebPageProxy::requestGeolocationPermissionForFrame(IPC::Connection& connect
              request->deny();
      };
  
@@ -18133,7 +17844,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
      // FIXME: Once iOS migrates to the new WKUIDelegate SPI, clean this up
      // and make it one UIClient call that calls the completionHandler with false
      // if there is no delegate instead of returning the completionHandler
-@@ -11386,6 +11662,12 @@ void WebPageProxy::queryPermission(const ClientOrigin& clientOrigin, const Permi
+@@ -11659,6 +11949,12 @@ void WebPageProxy::queryPermission(const ClientOrigin& clientOrigin, const Permi
              shouldChangeDeniedToPrompt = false;
  
          if (sessionID().isEphemeral()) {
@@ -18146,7 +17857,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
              completionHandler(shouldChangeDeniedToPrompt ? PermissionState::Prompt : PermissionState::Denied);
              return;
          }
-@@ -11400,6 +11682,12 @@ void WebPageProxy::queryPermission(const ClientOrigin& clientOrigin, const Permi
+@@ -11673,6 +11969,12 @@ void WebPageProxy::queryPermission(const ClientOrigin& clientOrigin, const Permi
          return;
      }
  
@@ -18160,7 +17871,7 @@ index dc95df8cd29f53622308310d998c3659a0190a71..f11fde5085cd28fe011372dcdf426816
          completionHandler(shouldChangeDeniedToPrompt ? PermissionState::Prompt : PermissionState::Denied);
          return;
 diff --git a/Source/WebKit/UIProcess/WebPageProxy.h b/Source/WebKit/UIProcess/WebPageProxy.h
-index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61bdef5c20e 100644
+index 304e437942e1269b0ada34b4f11789b84713b1b1..8e4f32d830657337e6451932bb1f75b2f3d1430e 100644
 --- a/Source/WebKit/UIProcess/WebPageProxy.h
 +++ b/Source/WebKit/UIProcess/WebPageProxy.h
 @@ -26,6 +26,7 @@
@@ -18170,8 +17881,8 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
 +#include "APIWebsitePolicies.h"
  #include "MessageReceiver.h"
  #include <WebCore/FrameIdentifier.h>
- #include <WebCore/NavigationIdentifier.h>
-@@ -38,6 +39,20 @@
+ #include <WebCore/LayerTreeAsTextOptions.h>
+@@ -40,6 +41,20 @@
  #include <wtf/ProcessID.h>
  #include <wtf/UniqueRef.h>
  #include <wtf/WeakHashSet.h>
@@ -18192,15 +17903,15 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
  
  #if USE(DICTATION_ALTERNATIVES)
  #include <WebCore/PlatformTextAlternatives.h>
-@@ -119,6 +134,7 @@ class DragData;
+@@ -122,6 +137,7 @@ class DragData;
  class Exception;
  class FloatPoint;
  class FloatQuad;
-+typedef HashMap<unsigned, Vector<String>> DragDataMap;
++typedef UncheckedKeyHashMap<unsigned, Vector<String>> DragDataMap;
  class FloatRect;
  class FloatSize;
  class FontAttributeChanges;
-@@ -461,6 +477,7 @@ class WebExtensionController;
+@@ -467,6 +483,7 @@ class WebExtensionController;
  class WebFramePolicyListenerProxy;
  class WebFrameProxy;
  class WebFullScreenManagerProxy;
@@ -18208,7 +17919,7 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
  class WebInspectorUIProxy;
  class WebKeyboardEvent;
  class WebMouseEvent;
-@@ -684,6 +701,8 @@ public:
+@@ -695,6 +712,8 @@ public:
      void setControlledByAutomation(bool);
  
      WebPageInspectorController& inspectorController() { return *m_inspectorController; }
@@ -18217,7 +17928,7 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
  
  #if PLATFORM(IOS_FAMILY)
      void showInspectorIndication();
-@@ -717,6 +736,7 @@ public:
+@@ -728,6 +747,7 @@ public:
      bool hasSleepDisabler() const;
  
  #if ENABLE(FULLSCREEN_API)
@@ -18225,28 +17936,29 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
      WebFullScreenManagerProxy* fullScreenManager();
  
      API::FullscreenClient& fullscreenClient() const { return *m_fullscreenClient; }
-@@ -805,6 +825,12 @@ public:
+@@ -817,6 +837,12 @@ public:
  
-     void setPageLoadStateObserver(std::unique_ptr<PageLoadStateObserverBase>&&);
+     void setPageLoadStateObserver(RefPtr<PageLoadStateObserverBase>&&);
  
 +    void setAuthCredentialsForAutomation(std::optional<WebCore::Credential>&&, std::optional<URL>&&);
-+    void setPermissionsForAutomation(const HashMap<String, HashSet<String>>&);
++    void setPermissionsForAutomation(const UncheckedKeyHashMap<String, HashSet<String>>&);
 +    void setOrientationOverride(std::optional<int>&& angle);
 +    void setActiveForAutomation(std::optional<bool> active);
 +    void logToStderr(const String& str);
 +
      void initializeWebPage(const WebCore::Site&, WebCore::SandboxFlags);
-     void setDrawingArea(std::unique_ptr<DrawingAreaProxy>&&);
+     void setDrawingArea(RefPtr<DrawingAreaProxy>&&);
+ 
+@@ -848,6 +874,8 @@ public:
+     RefPtr<API::Navigation> loadRequest(WebCore::ResourceRequest&&, WebCore::ShouldOpenExternalURLsPolicy, WebCore::IsPerformingHTTPFallback);
+     RefPtr<API::Navigation> loadRequest(WebCore::ResourceRequest&&, WebCore::ShouldOpenExternalURLsPolicy, WebCore::IsPerformingHTTPFallback, std::unique_ptr<NavigationActionData>&&, API::Object* userData = nullptr);
  
-@@ -832,6 +858,7 @@ public:
-     RefPtr<API::Navigation> loadRequest(WebCore::ResourceRequest&&);
-     RefPtr<API::Navigation> loadRequest(WebCore::ResourceRequest&&, WebCore::ShouldOpenExternalURLsPolicy);
-     RefPtr<API::Navigation> loadRequest(WebCore::ResourceRequest&&, WebCore::ShouldOpenExternalURLsPolicy, WebCore::IsPerformingHTTPFallback, API::Object* userData = nullptr);
 +    RefPtr<API::Navigation> loadRequestForInspector(WebCore::ResourceRequest&&, WebFrameProxy*);
++
      RefPtr<API::Navigation> loadFile(const String& fileURL, const String& resourceDirectoryURL, bool isAppInitiated = true, API::Object* userData = nullptr);
      RefPtr<API::Navigation> loadData(Ref<WebCore::SharedBuffer>&&, const String& MIMEType, const String& encoding, const String& baseURL, API::Object* userData = nullptr);
      RefPtr<API::Navigation> loadData(Ref<WebCore::SharedBuffer>&&, const String& MIMEType, const String& encoding, const String& baseURL, API::Object* userData, WebCore::ShouldOpenExternalURLsPolicy);
-@@ -898,6 +925,7 @@ public:
+@@ -931,6 +959,7 @@ public:
  
      PageClient* pageClient() const;
      RefPtr<PageClient> protectedPageClient() const;
@@ -18254,15 +17966,7 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
  
      void setViewNeedsDisplay(const WebCore::Region&);
      void requestScroll(const WebCore::FloatPoint& scrollPosition, const WebCore::IntPoint& scrollOrigin, WebCore::ScrollIsAnimated);
-@@ -1427,6 +1455,7 @@ public:
- #endif
- 
-     void pageScaleFactorDidChange(IPC::Connection&, double);
-+    void viewScaleFactorDidChange(IPC::Connection&, double);
-     void pluginScaleFactorDidChange(IPC::Connection&, double);
-     void pluginZoomFactorDidChange(IPC::Connection&, double);
- 
-@@ -1511,14 +1540,20 @@ public:
+@@ -1556,14 +1585,20 @@ public:
      void didStartDrag();
      void dragCancelled();
      void setDragCaretRect(const WebCore::IntRect&);
@@ -18284,7 +17988,7 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
  #endif
  
      void processDidBecomeUnresponsive();
-@@ -1757,6 +1792,7 @@ public:
+@@ -1808,6 +1843,7 @@ public:
      void setViewportSizeForCSSViewportUnits(const WebCore::FloatSize&);
      WebCore::FloatSize viewportSizeForCSSViewportUnits() const;
  
@@ -18292,7 +17996,7 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
      void didReceiveAuthenticationChallengeProxy(Ref<AuthenticationChallengeProxy>&&, NegotiatedLegacyTLS);
      void negotiatedLegacyTLS();
      void didNegotiateModernTLS(const URL&);
-@@ -1790,6 +1826,8 @@ public:
+@@ -1841,6 +1877,8 @@ public:
  #if PLATFORM(COCOA) || PLATFORM(GTK)
      RefPtr<ViewSnapshot> takeViewSnapshot(std::optional<WebCore::IntRect>&&);
      RefPtr<ViewSnapshot> takeViewSnapshot(std::optional<WebCore::IntRect>&&, ForceSoftwareCapturingViewportSnapshot);
@@ -18301,7 +18005,7 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
  #endif
  
      void wrapCryptoKey(Vector<uint8_t>&&, CompletionHandler<void(std::optional<Vector<uint8_t>>&&)>&&);
-@@ -2722,6 +2760,7 @@ private:
+@@ -2805,6 +2843,7 @@ private:
      RefPtr<API::Navigation> launchProcessForReload();
  
      void requestNotificationPermission(const String& originString, CompletionHandler<void(bool allowed)>&&);
@@ -18309,18 +18013,18 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
  
      void didChangeContentSize(const WebCore::IntSize&);
      void didChangeIntrinsicContentSize(const WebCore::IntSize&);
-@@ -3237,8 +3276,10 @@ private:
-     String m_overrideContentSecurityPolicy;
+@@ -3326,8 +3365,10 @@ private:
+     String m_openedMainFrameName;
  
      RefPtr<WebInspectorUIProxy> m_inspector;
 +    InspectorDialogAgent* m_inspectorDialogAgent { nullptr };
  
  #if ENABLE(FULLSCREEN_API)
 +    std::unique_ptr<WebFullScreenManagerProxyClient> m_fullScreenManagerClientOverride;
-     std::unique_ptr<WebFullScreenManagerProxy> m_fullScreenManager;
+     RefPtr<WebFullScreenManagerProxy> m_fullScreenManager;
      std::unique_ptr<API::FullscreenClient> m_fullscreenClient;
  #endif
-@@ -3433,6 +3474,22 @@ private:
+@@ -3527,6 +3568,22 @@ private:
      std::optional<WebCore::DragOperation> m_currentDragOperation;
      bool m_currentDragIsOverFileInput { false };
      unsigned m_currentDragNumberOfFilesToBeAccepted { 0 };
@@ -18343,38 +18047,30 @@ index 22132a82fb63a08f4f18a9b7b915d81f930429c8..880a013168f401f85aa1215a0fd0f61b
  #endif
  
      bool m_mainFrameHasHorizontalScrollbar { false };
-@@ -3604,6 +3661,10 @@ private:
+@@ -3698,6 +3755,10 @@ private:
          RefPtr<API::Object> messageBody;
      };
      Vector<InjectedBundleMessage> m_pendingInjectedBundleMessages;
 +    std::optional<WebCore::Credential> m_credentialsForAutomation;
 +    std::optional<URL> m_authOriginForAutomation;
-+    HashMap<String, HashSet<String>> m_permissionsForAutomation;
++    UncheckedKeyHashMap<String, HashSet<String>> m_permissionsForAutomation;
 +    std::optional<bool> m_activeForAutomation;
          
  #if PLATFORM(IOS_FAMILY) && ENABLE(DEVICE_ORIENTATION)
-     std::unique_ptr<WebDeviceOrientationUpdateProviderProxy> m_webDeviceOrientationUpdateProviderProxy;
+     RefPtr<WebDeviceOrientationUpdateProviderProxy> m_webDeviceOrientationUpdateProviderProxy;
 diff --git a/Source/WebKit/UIProcess/WebPageProxy.messages.in b/Source/WebKit/UIProcess/WebPageProxy.messages.in
-index d5a3dbad2866cfb6980f2f47764eba902be9b60c..4872ea89b4d92649cef4681685239cf49b2bb30e 100644
+index e28a28652ad75c4f4efe1b52868a10ab8ea4691b..218fe89bf5e342e496ccc986cc6bee750e23eb38 100644
 --- a/Source/WebKit/UIProcess/WebPageProxy.messages.in
 +++ b/Source/WebKit/UIProcess/WebPageProxy.messages.in
-@@ -30,6 +30,7 @@ messages -> WebPageProxy {
+@@ -34,6 +34,7 @@ messages -> WebPageProxy {
      RunJavaScriptConfirm(WebCore::FrameIdentifier frameID, struct WebKit::FrameInfoData frameInfo, String message) -> (bool result) Synchronous
      RunJavaScriptPrompt(WebCore::FrameIdentifier frameID, struct WebKit::FrameInfoData frameInfo, String message, String defaultValue) -> (String result) Synchronous
      MouseDidMoveOverElement(struct WebKit::WebHitTestResultData hitTestResultData, OptionSet<WebKit::WebEventModifier> modifiers, WebKit::UserData userData)
 +    LogToStderr(String text)
  
-     DidChangeViewportProperties(struct WebCore::ViewportAttributes attributes)
      DidReceiveEvent(enum:uint8_t WebKit::WebEventType eventType, bool handled, struct std::optional<WebCore::RemoteUserInputEventData> remoteUserInputEventData)
-@@ -186,6 +187,7 @@ messages -> WebPageProxy {
- #endif
- 
-     PageScaleFactorDidChange(double scaleFactor)
-+    ViewScaleFactorDidChange(double scaleFactor)
-     PluginScaleFactorDidChange(double zoomFactor)
-     PluginZoomFactorDidChange(double zoomFactor)
- 
-@@ -316,10 +318,14 @@ messages -> WebPageProxy {
+     SetCursor(WebCore::Cursor cursor)
+@@ -327,10 +328,14 @@ messages -> WebPageProxy {
      StartDrag(struct WebCore::DragItem dragItem, WebCore::ShareableBitmapHandle dragImage)
      SetPromisedDataForImage(String pasteboardName, WebCore::SharedMemory::Handle imageHandle, String filename, String extension, String title, String url, String visibleURL, WebCore::SharedMemory::Handle archiveHandle, String originIdentifier)
  #endif
@@ -18384,14 +18080,14 @@ index d5a3dbad2866cfb6980f2f47764eba902be9b60c..4872ea89b4d92649cef4681685239cf4
  #endif
  
 +#if PLATFORM(WIN) && ENABLE(DRAG_SUPPORT)
-+    StartDrag(HashMap<unsigned, Vector<String>> dragDataMap)
++    StartDrag(UncheckedKeyHashMap<unsigned, Vector<String>> dragDataMap)
 +#endif
 +
  #if PLATFORM(IOS_FAMILY) && ENABLE(DRAG_SUPPORT)
      DidHandleDragStartRequest(bool started)
      DidHandleAdditionalDragItemsRequest(bool added)
 diff --git a/Source/WebKit/UIProcess/WebProcessCache.cpp b/Source/WebKit/UIProcess/WebProcessCache.cpp
-index 0bf66ef96022b16fe27cff481b41ebb369b5803a..9e3092647e880a75f7df26c361e220b8c89a603e 100644
+index a52ebc98999087f70ff74a3a21355409a1224f95..460b87c90611bbbbea5970d6a45aacb8c17be0f3 100644
 --- a/Source/WebKit/UIProcess/WebProcessCache.cpp
 +++ b/Source/WebKit/UIProcess/WebProcessCache.cpp
 @@ -92,6 +92,10 @@ bool WebProcessCache::canCacheProcess(WebProcessProxy& process) const
@@ -18406,10 +18102,10 @@ index 0bf66ef96022b16fe27cff481b41ebb369b5803a..9e3092647e880a75f7df26c361e220b8
  }
  
 diff --git a/Source/WebKit/UIProcess/WebProcessPool.cpp b/Source/WebKit/UIProcess/WebProcessPool.cpp
-index b5a8f1b2da36d5c53d46d3b6e0a63e34d41db5d3..4df997597541f123cbd3f7e0b2016a26223b9b8e 100644
+index 640f3f891ef5fc07eb88dbe2d5c74430061bfbac..6bac8aa05755a9686002d35e47aa8eee648993ee 100644
 --- a/Source/WebKit/UIProcess/WebProcessPool.cpp
 +++ b/Source/WebKit/UIProcess/WebProcessPool.cpp
-@@ -439,10 +439,10 @@ void WebProcessPool::setAutomationClient(std::unique_ptr<API::AutomationClient>&
+@@ -438,10 +438,10 @@ void WebProcessPool::setAutomationClient(std::unique_ptr<API::AutomationClient>&
  
  void WebProcessPool::setOverrideLanguages(Vector<String>&& languages)
  {
@@ -18422,7 +18118,7 @@ index b5a8f1b2da36d5c53d46d3b6e0a63e34d41db5d3..4df997597541f123cbd3f7e0b2016a26
  
  #if ENABLE(GPU_PROCESS)
      if (RefPtr gpuProcess = GPUProcessProxy::singletonIfCreated())
-@@ -450,9 +450,10 @@ void WebProcessPool::setOverrideLanguages(Vector<String>&& languages)
+@@ -449,9 +449,10 @@ void WebProcessPool::setOverrideLanguages(Vector<String>&& languages)
  #endif
  #if USE(SOUP)
      for (Ref networkProcess : NetworkProcessProxy::allNetworkProcesses())
@@ -18434,7 +18130,7 @@ index b5a8f1b2da36d5c53d46d3b6e0a63e34d41db5d3..4df997597541f123cbd3f7e0b2016a26
  
  void WebProcessPool::fullKeyboardAccessModeChanged(bool fullKeyboardAccessEnabled)
  {
-@@ -926,7 +927,7 @@ void WebProcessPool::initializeNewWebProcess(WebProcessProxy& process, WebsiteDa
+@@ -928,7 +929,7 @@ void WebProcessPool::initializeNewWebProcess(WebProcessProxy& process, WebsiteDa
  #endif
  
      parameters.cacheModel = LegacyGlobalSettings::singleton().cacheModel();
@@ -18444,10 +18140,10 @@ index b5a8f1b2da36d5c53d46d3b6e0a63e34d41db5d3..4df997597541f123cbd3f7e0b2016a26
  
      parameters.urlSchemesRegisteredAsEmptyDocument = copyToVector(m_schemesToRegisterAsEmptyDocument);
 diff --git a/Source/WebKit/UIProcess/WebProcessProxy.cpp b/Source/WebKit/UIProcess/WebProcessProxy.cpp
-index a508a91e3659c59614314d0f8abf559cf36818d2..866887ee5dfd6bacc12ab2068411270daae0d43e 100644
+index a9335579083e325126d2c1de5ca89108a5d9f4a8..c42e19f3f9aeca5202fbaf6cf88c922c3508d4bf 100644
 --- a/Source/WebKit/UIProcess/WebProcessProxy.cpp
 +++ b/Source/WebKit/UIProcess/WebProcessProxy.cpp
-@@ -190,6 +190,11 @@ Vector<Ref<WebProcessProxy>> WebProcessProxy::allProcesses()
+@@ -192,6 +192,11 @@ Vector<Ref<WebProcessProxy>> WebProcessProxy::allProcesses()
      });
  }
  
@@ -18459,7 +18155,7 @@ index a508a91e3659c59614314d0f8abf559cf36818d2..866887ee5dfd6bacc12ab2068411270d
  RefPtr<WebProcessProxy> WebProcessProxy::processForIdentifier(ProcessIdentifier identifier)
  {
      return allProcessMap().get(identifier);
-@@ -548,6 +553,26 @@ void WebProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& launchOpt
+@@ -554,6 +559,26 @@ void WebProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& launchOpt
      if (WebKit::isInspectorProcessPool(protectedProcessPool()))
          launchOptions.extraInitializationData.add<HashTranslatorASCIILiteral>("inspector-process"_s, "1"_s);
  
@@ -18487,10 +18183,10 @@ index a508a91e3659c59614314d0f8abf559cf36818d2..866887ee5dfd6bacc12ab2068411270d
  
      if (isPrewarmed())
 diff --git a/Source/WebKit/UIProcess/WebProcessProxy.h b/Source/WebKit/UIProcess/WebProcessProxy.h
-index 1b3c5b61e3e3a175632f2a92ca6947b05f05defc..38011071cef8dc662c617a18b16777956bad3868 100644
+index 7d9e93ea058e783f32ef1d0a6ca0182175da64c4..303655051c9b8f91868ebaaca74a61d851ddbd59 100644
 --- a/Source/WebKit/UIProcess/WebProcessProxy.h
 +++ b/Source/WebKit/UIProcess/WebProcessProxy.h
-@@ -170,6 +170,7 @@ public:
+@@ -177,6 +177,7 @@ public:
  
      static void forWebPagesWithOrigin(PAL::SessionID, const WebCore::SecurityOriginData&, const Function<void(WebPageProxy&)>&);
      static Vector<std::pair<WebCore::ProcessIdentifier, WebCore::RegistrableDomain>> allowedFirstPartiesForCookies();
@@ -18498,23 +18194,11 @@ index 1b3c5b61e3e3a175632f2a92ca6947b05f05defc..38011071cef8dc662c617a18b1677795
  
      void initializeWebProcess(WebProcessCreationParameters&&);
  
-diff --git a/Source/WebKit/UIProcess/WebScreenOrientationManagerProxy.h b/Source/WebKit/UIProcess/WebScreenOrientationManagerProxy.h
-index ed7f2f625f8dad92c3cfc8f5eff8a8acee9d1b1d..5aac771624649e0d9ccb4e52754dfac1d6228c71 100644
---- a/Source/WebKit/UIProcess/WebScreenOrientationManagerProxy.h
-+++ b/Source/WebKit/UIProcess/WebScreenOrientationManagerProxy.h
-@@ -26,6 +26,7 @@
- #pragma once
- 
- #include "MessageReceiver.h"
-+#include "SharedPreferencesForWebProcess.h"
- #include <WebCore/ScreenOrientationLockType.h>
- #include <WebCore/ScreenOrientationType.h>
- #include <wtf/CompletionHandler.h>
 diff --git a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
-index a4a20ceb0dec282cebb7bf7d5f901c8ab8acfe0f..1780fd157b48474a63b5a6a5a583f57b64789ff0 100644
+index 069845674e159025683e063219431aa20e3a5a3e..8f3963b6316404bfb0c13305d1272cf15002b1f4 100644
 --- a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
 +++ b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.cpp
-@@ -311,7 +311,8 @@ SOAuthorizationCoordinator& WebsiteDataStore::soAuthorizationCoordinator(const W
+@@ -314,7 +314,8 @@ SOAuthorizationCoordinator& WebsiteDataStore::soAuthorizationCoordinator(const W
  
  static Ref<NetworkProcessProxy> networkProcessForSession(PAL::SessionID sessionID)
  {
@@ -18524,7 +18208,7 @@ index a4a20ceb0dec282cebb7bf7d5f901c8ab8acfe0f..1780fd157b48474a63b5a6a5a583f57b
      if (sessionID.isEphemeral()) {
          // Reuse a previous persistent session network process for ephemeral sessions.
          for (auto& dataStore : allDataStores().values()) {
-@@ -2324,6 +2325,12 @@ void WebsiteDataStore::originDirectoryForTesting(WebCore::ClientOrigin&& origin,
+@@ -2343,6 +2344,12 @@ void WebsiteDataStore::originDirectoryForTesting(WebCore::ClientOrigin&& origin,
      protectedNetworkProcess()->websiteDataOriginDirectoryForTesting(m_sessionID, WTFMove(origin), type, WTFMove(completionHandler));
  }
  
@@ -18538,7 +18222,7 @@ index a4a20ceb0dec282cebb7bf7d5f901c8ab8acfe0f..1780fd157b48474a63b5a6a5a583f57b
  void WebsiteDataStore::hasAppBoundSession(CompletionHandler<void(bool)>&& completionHandler) const
  {
 diff --git a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
-index fa85e9ad259588bb309c98c9550d4e46a487cbf1..092417a3e98eeddeea29b3d9b1c0131bac503386 100644
+index ca5511eaf8b0af08a20c44fa2350b3a1d94d46cb..9855dc78e84374042d3f28e980475b4dd639a8c6 100644
 --- a/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
 +++ b/Source/WebKit/UIProcess/WebsiteData/WebsiteDataStore.h
 @@ -97,6 +97,7 @@ class DeviceIdHashSaltStorage;
@@ -18571,7 +18255,7 @@ index fa85e9ad259588bb309c98c9550d4e46a487cbf1..092417a3e98eeddeea29b3d9b1c0131b
  class WebsiteDataStore : public API::ObjectImpl<API::Object::Type::WebsiteDataStore>, public CanMakeWeakPtr<WebsiteDataStore> {
  public:
      static Ref<WebsiteDataStore> defaultDataStore();
-@@ -305,11 +315,13 @@ public:
+@@ -306,11 +316,13 @@ public:
      const WebCore::CurlProxySettings& networkProxySettings() const { return m_proxySettings; }
  #endif
  
@@ -18586,7 +18270,7 @@ index fa85e9ad259588bb309c98c9550d4e46a487cbf1..092417a3e98eeddeea29b3d9b1c0131b
      void setNetworkProxySettings(WebCore::SoupNetworkProxySettings&&);
      const WebCore::SoupNetworkProxySettings& networkProxySettings() const { return m_networkProxySettings; }
      void setCookiePersistentStorage(const String&, SoupCookiePersistentStorageType);
-@@ -396,6 +408,12 @@ public:
+@@ -400,6 +412,12 @@ public:
      static const String& defaultBaseDataDirectory();
  #endif
  
@@ -18599,7 +18283,7 @@ index fa85e9ad259588bb309c98c9550d4e46a487cbf1..092417a3e98eeddeea29b3d9b1c0131b
      void resetQuota(CompletionHandler<void()>&&);
      void resetStoragePersistedState(CompletionHandler<void()>&&);
  #if PLATFORM(IOS_FAMILY)
-@@ -570,9 +588,11 @@ private:
+@@ -576,9 +594,11 @@ private:
      WebCore::CurlProxySettings m_proxySettings;
  #endif
  
@@ -18612,7 +18296,7 @@ index fa85e9ad259588bb309c98c9550d4e46a487cbf1..092417a3e98eeddeea29b3d9b1c0131b
      WebCore::SoupNetworkProxySettings m_networkProxySettings;
      String m_cookiePersistentStoragePath;
      SoupCookiePersistentStorageType m_cookiePersistentStorageType { SoupCookiePersistentStorageType::SQLite };
-@@ -599,6 +619,10 @@ private:
+@@ -605,6 +625,10 @@ private:
      RefPtr<API::HTTPCookieStore> m_cookieStore;
      RefPtr<NetworkProcessProxy> m_networkProcess;
  
@@ -18624,10 +18308,10 @@ index fa85e9ad259588bb309c98c9550d4e46a487cbf1..092417a3e98eeddeea29b3d9b1c0131b
      std::unique_ptr<SOAuthorizationCoordinator> m_soAuthorizationCoordinator;
  #endif
 diff --git a/Source/WebKit/UIProcess/geoclue/GeoclueGeolocationProvider.cpp b/Source/WebKit/UIProcess/geoclue/GeoclueGeolocationProvider.cpp
-index 351268d32fc4f25fe63021d1e6de62d0f2784ddb..0b8b0830a516085f0666dd04fa6be3c3dbde2e7c 100644
+index ac64c2a3cb5d1e8e46ba1835623a5c12825e3ea1..6ad7a5adc5198ae035c5cb815b6db8f033910f3a 100644
 --- a/Source/WebKit/UIProcess/geoclue/GeoclueGeolocationProvider.cpp
 +++ b/Source/WebKit/UIProcess/geoclue/GeoclueGeolocationProvider.cpp
-@@ -105,6 +105,14 @@ void GeoclueGeolocationProvider::stop()
+@@ -114,6 +114,14 @@ void GeoclueGeolocationProvider::stop()
      }
  
      m_sourceType = LocationProviderSource::Unknown;
@@ -18642,7 +18326,7 @@ index 351268d32fc4f25fe63021d1e6de62d0f2784ddb..0b8b0830a516085f0666dd04fa6be3c3
  }
  
  void GeoclueGeolocationProvider::setEnableHighAccuracy(bool enabled)
-@@ -377,6 +385,8 @@ void GeoclueGeolocationProvider::createGeoclueClient(const char* clientPath)
+@@ -386,6 +394,8 @@ void GeoclueGeolocationProvider::createGeoclueClient(const char* clientPath)
          return;
      }
  
@@ -18874,7 +18558,7 @@ index 0000000000000000000000000000000000000000..ac01ad1653b22a0f22c45a196659e68f
 +#endif // ENABLE(REMOTE_INSPECTOR)
 diff --git a/Source/WebKit/UIProcess/glib/InspectorPlaywrightAgentClientGLib.h b/Source/WebKit/UIProcess/glib/InspectorPlaywrightAgentClientGLib.h
 new file mode 100644
-index 0000000000000000000000000000000000000000..394f07e1754be52b7d503d5720cba5d3724c5f4d
+index 0000000000000000000000000000000000000000..441442d899e4088f5c24ae9f70c3e4ffa1e6d340
 --- /dev/null
 +++ b/Source/WebKit/UIProcess/glib/InspectorPlaywrightAgentClientGLib.h
 @@ -0,0 +1,61 @@
@@ -18932,7 +18616,7 @@ index 0000000000000000000000000000000000000000..394f07e1754be52b7d503d5720cba5d3
 +private:
 +    WebKitWebContext* findContext(WTF::String& error, PAL::SessionID);
 +
-+    HashMap<PAL::SessionID, GRefPtr<WebKitWebContext>> m_idToContext;
++    UncheckedKeyHashMap<PAL::SessionID, GRefPtr<WebKitWebContext>> m_idToContext;
 +    WebCore::SoupNetworkProxySettings m_proxySettings;
 +};
 +
@@ -18940,18 +18624,18 @@ index 0000000000000000000000000000000000000000..394f07e1754be52b7d503d5720cba5d3
 +
 +#endif // ENABLE(REMOTE_INSPECTOR)
 diff --git a/Source/WebKit/UIProcess/gtk/AcceleratedBackingStore.h b/Source/WebKit/UIProcess/gtk/AcceleratedBackingStore.h
-index ce120bac5e1c6018ec637181d4b9d08cf85a1f32..2fe169f2f2976a73d275cc089d0df32541dbdec3 100644
+index b2e2a636725674a1619f92d67c7846358374b9e3..7bc4914766b3b03e586c6662c6da33ceac466c0b 100644
 --- a/Source/WebKit/UIProcess/gtk/AcceleratedBackingStore.h
 +++ b/Source/WebKit/UIProcess/gtk/AcceleratedBackingStore.h
-@@ -30,6 +30,7 @@
- #include <wtf/TZoneMalloc.h>
+@@ -32,6 +32,7 @@
+ #include <wtf/WeakPtr.h>
  
  typedef struct _cairo cairo_t;
 +typedef struct _cairo_surface cairo_surface_t;
  
  #if USE(GTK4)
  typedef struct _GdkSnapshot GdkSnapshot;
-@@ -59,6 +60,8 @@ public:
+@@ -61,6 +62,8 @@ public:
  #else
      virtual bool paint(cairo_t*, const WebCore::IntRect&) = 0;
  #endif
@@ -18961,10 +18645,10 @@ index ce120bac5e1c6018ec637181d4b9d08cf85a1f32..2fe169f2f2976a73d275cc089d0df325
      virtual void unrealize() { };
      virtual int renderHostFileDescriptor() { return -1; }
 diff --git a/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.cpp b/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.cpp
-index 95f8f8a3cc14be838e5170a94ec4b2328afde62f..0a4af599d5e711b9c4eaa1c27cd7442121e07627 100644
+index fc6a465e3518c6d9be65b9cb4677b9734b023741..431337fb8576c41e7a59440b2f867b0bebce9776 100644
 --- a/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.cpp
 +++ b/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.cpp
-@@ -707,4 +707,30 @@ RendererBufferFormat AcceleratedBackingStoreDMABuf::bufferFormat() const
+@@ -729,4 +729,30 @@ RendererBufferFormat AcceleratedBackingStoreDMABuf::bufferFormat() const
      return buffer ? buffer->format() : RendererBufferFormat { };
  }
  
@@ -18996,10 +18680,10 @@ index 95f8f8a3cc14be838e5170a94ec4b2328afde62f..0a4af599d5e711b9c4eaa1c27cd74421
 +
  } // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.h b/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.h
-index 8fa631f95a39298a9b4876b7d1b52bcacc3dc4af..d8c15d27ad8210739da490f32999b395fae9b65b 100644
+index a208bbefafd88a3d95f6c2be35f7f700c86bda90..c603c7eb3501989e79ebc31b1c4eb6e1d2523ffe 100644
 --- a/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.h
 +++ b/Source/WebKit/UIProcess/gtk/AcceleratedBackingStoreDMABuf.h
-@@ -94,6 +94,7 @@ private:
+@@ -98,6 +98,7 @@ private:
  #else
      bool paint(cairo_t*, const WebCore::IntRect&) override;
  #endif
@@ -19007,7 +18691,7 @@ index 8fa631f95a39298a9b4876b7d1b52bcacc3dc4af..d8c15d27ad8210739da490f32999b395
      void unrealize() override;
      void update(const LayerTreeContext&) override;
      RendererBufferFormat bufferFormat() const override;
-@@ -242,6 +243,9 @@ private:
+@@ -247,6 +248,9 @@ private:
      RefPtr<Buffer> m_committedBuffer;
      WebCore::Region m_pendingDamageRegion;
      HashMap<uint64_t, RefPtr<Buffer>> m_buffers;
@@ -19071,19 +18755,19 @@ index 0000000000000000000000000000000000000000..bf78de1915940c2d3292514cf0fe4e68
 +}
 +
 +} // namespace WebKit
-diff --git a/Source/WebKit/UIProcess/gtk/WebDateTimePickerGtk.cpp b/Source/WebKit/UIProcess/gtk/WebDateTimePickerGtk.cpp
-index 97191083e1c5b5283599e394e56553fc5e5cd6a1..e8c7cbb6cd9431b1720aafb8dfd0abdc97f17a39 100644
---- a/Source/WebKit/UIProcess/gtk/WebDateTimePickerGtk.cpp
-+++ b/Source/WebKit/UIProcess/gtk/WebDateTimePickerGtk.cpp
-@@ -35,6 +35,8 @@
- #include <wtf/glib/GRefPtr.h>
- #include <wtf/text/MakeString.h>
+diff --git a/Source/WebKit/UIProcess/gtk/SystemSettingsManagerProxyGtk.cpp b/Source/WebKit/UIProcess/gtk/SystemSettingsManagerProxyGtk.cpp
+index aa702b018d881739fb464246e7c7d7236adfe97b..f711e1608e6d8b988d2d0bc99893d5b0137a07ae 100644
+--- a/Source/WebKit/UIProcess/gtk/SystemSettingsManagerProxyGtk.cpp
++++ b/Source/WebKit/UIProcess/gtk/SystemSettingsManagerProxyGtk.cpp
+@@ -117,6 +117,8 @@ int SystemSettingsManagerProxy::xftDPI() const
  
-+using namespace WebCore;
-+
- namespace WebKit {
- 
- Ref<WebDateTimePickerGtk> WebDateTimePickerGtk::create(WebPageProxy& page)
+ bool SystemSettingsManagerProxy::followFontSystemSettings() const
+ {
++    // Align with WPE's behavior, which always returns false.
++    return false;
+ #if USE(GTK4)
+ #if GTK_CHECK_VERSION(4, 16, 0)
+     GtkFontRendering fontRendering;
 diff --git a/Source/WebKit/UIProcess/gtk/WebPageInspectorEmulationAgentGtk.cpp b/Source/WebKit/UIProcess/gtk/WebPageInspectorEmulationAgentGtk.cpp
 new file mode 100644
 index 0000000000000000000000000000000000000000..7d9672b0f831b5b7f6acf14ede26e1e8e9a65389
@@ -19306,19 +18990,6 @@ index 2a17b59c9be6ecc76b0ec0a16d9f4866dffa0bf4..0d5c58a88b0e5197254d0eb5bd6eee04
  
      m_primarySelectionOwner = frame;
  }
-diff --git a/Source/WebKit/UIProcess/ios/PageClientImplIOS.mm b/Source/WebKit/UIProcess/ios/PageClientImplIOS.mm
-index fa78d12c9cbc8c3d0d3957afb98536d2a411e241..f13c49a59ba14eec2f1d345f2837f47dd62bc049 100644
---- a/Source/WebKit/UIProcess/ios/PageClientImplIOS.mm
-+++ b/Source/WebKit/UIProcess/ios/PageClientImplIOS.mm
-@@ -495,6 +495,8 @@ IntRect PageClientImpl::rootViewToAccessibilityScreen(const IntRect& rect)
-     
- void PageClientImpl::doneWithKeyEvent(const NativeWebKeyboardEvent& event, bool eventWasHandled)
- {
-+    if (!event.nativeEvent())
-+        return;
-     [contentView() _didHandleKeyEvent:event.nativeEvent() eventWasHandled:eventWasHandled];
- }
- 
 diff --git a/Source/WebKit/UIProcess/mac/InspectorPlaywrightAgentClientMac.h b/Source/WebKit/UIProcess/mac/InspectorPlaywrightAgentClientMac.h
 new file mode 100644
 index 0000000000000000000000000000000000000000..2aabc02a4b5432f68a6e85fd9689775608f05a67
@@ -19529,10 +19200,10 @@ index 0000000000000000000000000000000000000000..8adbd51bfecad2a273117588bf50f8f7
 +
 +#endif
 diff --git a/Source/WebKit/UIProcess/mac/PageClientImplMac.h b/Source/WebKit/UIProcess/mac/PageClientImplMac.h
-index 48c64d82d9cb1274d4127b5b719a5a80d711c54c..5f27aafbb74af7b42aa7096b25e388bce43dec24 100644
+index 6d9f836ed08eb488e40831e8c93cfe7201ebdd9a..02f75742b4d473b7854e3792c6665c8c93d5687d 100644
 --- a/Source/WebKit/UIProcess/mac/PageClientImplMac.h
 +++ b/Source/WebKit/UIProcess/mac/PageClientImplMac.h
-@@ -58,6 +58,8 @@ class PageClientImpl final : public PageClientImplCocoa
+@@ -60,6 +60,8 @@ class PageClientImpl final : public PageClientImplCocoa
      WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(PageClientImpl);
  #endif
  public:
@@ -19541,7 +19212,7 @@ index 48c64d82d9cb1274d4127b5b719a5a80d711c54c..5f27aafbb74af7b42aa7096b25e388bc
      PageClientImpl(NSView *, WKWebView *);
      virtual ~PageClientImpl();
  
-@@ -174,6 +176,9 @@ private:
+@@ -175,6 +177,9 @@ private:
      void updateAcceleratedCompositingMode(const LayerTreeContext&) override;
      void didFirstLayerFlush(const LayerTreeContext&) override;
  
@@ -19551,7 +19222,7 @@ index 48c64d82d9cb1274d4127b5b719a5a80d711c54c..5f27aafbb74af7b42aa7096b25e388bc
      RefPtr<ViewSnapshot> takeViewSnapshot(std::optional<WebCore::IntRect>&&) override;
      RefPtr<ViewSnapshot> takeViewSnapshot(std::optional<WebCore::IntRect>&&, ForceSoftwareCapturingViewportSnapshot) override;
      void wheelEventWasNotHandledByWebCore(const NativeWebWheelEvent&) override;
-@@ -229,6 +234,10 @@ private:
+@@ -230,6 +235,10 @@ private:
      void beganExitFullScreen(const WebCore::IntRect& initialFrame, const WebCore::IntRect& finalFrame) override;
  #endif
  
@@ -19563,7 +19234,7 @@ index 48c64d82d9cb1274d4127b5b719a5a80d711c54c..5f27aafbb74af7b42aa7096b25e388bc
      void navigationGestureWillEnd(bool willNavigate, WebBackForwardListItem&) override;
      void navigationGestureDidEnd(bool willNavigate, WebBackForwardListItem&) override;
 diff --git a/Source/WebKit/UIProcess/mac/PageClientImplMac.mm b/Source/WebKit/UIProcess/mac/PageClientImplMac.mm
-index 8af5332c0d74f1b6e057c142f830cfae4274c81a..e452dfa8ba0bf97770f091f1f69d6dc01ac03358 100644
+index 5f6008cd5d0bd76c7d3731a36f9d3605710c7c19..eac8caf9b5cd8ff2cdd41dd84a07413bab7badc3 100644
 --- a/Source/WebKit/UIProcess/mac/PageClientImplMac.mm
 +++ b/Source/WebKit/UIProcess/mac/PageClientImplMac.mm
 @@ -110,6 +110,13 @@ namespace WebKit {
@@ -19620,7 +19291,7 @@ index 8af5332c0d74f1b6e057c142f830cfae4274c81a..e452dfa8ba0bf97770f091f1f69d6dc0
  }
  
  void PageClientImpl::toolTipChanged(const String& oldToolTip, const String& newToolTip)
-@@ -482,6 +499,8 @@ IntRect PageClientImpl::rootViewToAccessibilityScreen(const IntRect& rect)
+@@ -478,6 +495,8 @@ IntRect PageClientImpl::rootViewToAccessibilityScreen(const IntRect& rect)
  
  void PageClientImpl::doneWithKeyEvent(const NativeWebKeyboardEvent& event, bool eventWasHandled)
  {
@@ -19629,7 +19300,7 @@ index 8af5332c0d74f1b6e057c142f830cfae4274c81a..e452dfa8ba0bf97770f091f1f69d6dc0
      m_impl->doneWithKeyEvent(event.nativeEvent(), eventWasHandled);
  }
  
-@@ -501,6 +520,8 @@ void PageClientImpl::computeHasVisualSearchResults(const URL& imageURL, Shareabl
+@@ -497,6 +516,8 @@ void PageClientImpl::computeHasVisualSearchResults(const URL& imageURL, Shareabl
  
  RefPtr<WebPopupMenuProxy> PageClientImpl::createPopupMenuProxy(WebPageProxy& page)
  {
@@ -19638,7 +19309,7 @@ index 8af5332c0d74f1b6e057c142f830cfae4274c81a..e452dfa8ba0bf97770f091f1f69d6dc0
      return WebPopupMenuProxyMac::create(m_view, page.popupMenuClient());
  }
  
-@@ -642,6 +663,12 @@ CALayer *PageClientImpl::footerBannerLayer() const
+@@ -638,6 +659,12 @@ CALayer *PageClientImpl::footerBannerLayer() const
      return m_impl->footerBannerLayer();
  }
  
@@ -19651,7 +19322,7 @@ index 8af5332c0d74f1b6e057c142f830cfae4274c81a..e452dfa8ba0bf97770f091f1f69d6dc0
  RefPtr<ViewSnapshot> PageClientImpl::takeViewSnapshot(std::optional<WebCore::IntRect>&&)
  {
      return m_impl->takeViewSnapshot();
-@@ -837,6 +864,13 @@ void PageClientImpl::beganExitFullScreen(const IntRect& initialFrame, const IntR
+@@ -833,6 +860,13 @@ void PageClientImpl::beganExitFullScreen(const IntRect& initialFrame, const IntR
  
  #endif // ENABLE(FULLSCREEN_API)
  
@@ -19665,7 +19336,7 @@ index 8af5332c0d74f1b6e057c142f830cfae4274c81a..e452dfa8ba0bf97770f091f1f69d6dc0
  void PageClientImpl::navigationGestureDidBegin()
  {
      m_impl->dismissContentRelativeChildWindowsWithAnimation(true);
-@@ -1020,6 +1054,9 @@ void PageClientImpl::requestScrollToRect(const WebCore::FloatRect& targetRect, c
+@@ -1016,6 +1050,9 @@ void PageClientImpl::requestScrollToRect(const WebCore::FloatRect& targetRect, c
  
  bool PageClientImpl::windowIsFrontWindowUnderMouse(const NativeWebMouseEvent& event)
  {
@@ -19676,7 +19347,7 @@ index 8af5332c0d74f1b6e057c142f830cfae4274c81a..e452dfa8ba0bf97770f091f1f69d6dc0
  }
  
 diff --git a/Source/WebKit/UIProcess/mac/SecItemShimProxy.messages.in b/Source/WebKit/UIProcess/mac/SecItemShimProxy.messages.in
-index 21c925bafb662dbe961baaad7f25bf4296236d76..5496a33c558a00a5ba96d10223e600aa38de99c4 100644
+index 5ddabc8529a1d7c8121d834289aa0e70a5dcd7d7..0bec72101447def53facd42881358e4cb34b656e 100644
 --- a/Source/WebKit/UIProcess/mac/SecItemShimProxy.messages.in
 +++ b/Source/WebKit/UIProcess/mac/SecItemShimProxy.messages.in
 @@ -20,11 +20,11 @@
@@ -19684,7 +19355,7 @@ index 21c925bafb662dbe961baaad7f25bf4296236d76..5496a33c558a00a5ba96d10223e600aa
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
 +#if ENABLE(SEC_ITEM_SHIM)
- messages -> SecItemShimProxy NotRefCounted {
+ messages -> SecItemShimProxy {
  
 -#if ENABLE(SEC_ITEM_SHIM)
      SecItemRequestSync(WebKit::SecItemRequestData request) -> (std::optional<WebKit::SecItemResponseData> response) Synchronous
@@ -19706,10 +19377,10 @@ index e34faa8ae2933154efdbf0492a2f17af7a46f83b..54b509837bb767ac3ab28d1d7059462c
      bool showAfterPostProcessingContextData();
  
 diff --git a/Source/WebKit/UIProcess/mac/WebContextMenuProxyMac.mm b/Source/WebKit/UIProcess/mac/WebContextMenuProxyMac.mm
-index fa0104e2bf2d81e0c1d9a4f4765033dd84cc94db..a073c9203099f024dad99156582a20996065d019 100644
+index 590e689455e912c35642b9fbafa6cd9a34041eac..27ff44679509d9e82fb4ad556ace0cf7368206e4 100644
 --- a/Source/WebKit/UIProcess/mac/WebContextMenuProxyMac.mm
 +++ b/Source/WebKit/UIProcess/mac/WebContextMenuProxyMac.mm
-@@ -504,6 +504,12 @@ void WebContextMenuProxyMac::getShareMenuItem(CompletionHandler<void(NSMenuItem
+@@ -460,6 +460,12 @@ void WebContextMenuProxyMac::getShareMenuItem(CompletionHandler<void(NSMenuItem
  }
  #endif
  
@@ -19914,10 +19585,10 @@ index 0000000000000000000000000000000000000000..dd52991f936aa1c046b404801ee97237
 +
 +} // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/mac/WebViewImpl.h b/Source/WebKit/UIProcess/mac/WebViewImpl.h
-index 6f9f2473b1722fb9f12e1f442aabc799181bd01e..d6f1e0984db6e8238d4bc66b04235d3bd20921ac 100644
+index 547682903b486e6f4fe814239d445c6ab26243b0..115255726211d7ff82475caf70516677f243afd3 100644
 --- a/Source/WebKit/UIProcess/mac/WebViewImpl.h
 +++ b/Source/WebKit/UIProcess/mac/WebViewImpl.h
-@@ -538,6 +538,9 @@ public:
+@@ -544,6 +544,9 @@ public:
      void provideDataForPasteboard(NSPasteboard *, NSString *type);
      NSArray *namesOfPromisedFilesDroppedAtDestination(NSURL *dropDestination);
  
@@ -19928,10 +19599,10 @@ index 6f9f2473b1722fb9f12e1f442aabc799181bd01e..d6f1e0984db6e8238d4bc66b04235d3b
      RefPtr<ViewSnapshot> takeViewSnapshot(ForceSoftwareCapturingViewportSnapshot);
      void saveBackForwardSnapshotForCurrentItem();
 diff --git a/Source/WebKit/UIProcess/mac/WebViewImpl.mm b/Source/WebKit/UIProcess/mac/WebViewImpl.mm
-index 5775c9c17409f13c967b0fdb2030e4bb65982c50..35f3e6bcd38f93066c5d54e906431ae1ba23fa9f 100644
+index 926d93ba3cab0bec3396dc044921e2337a331836..3857bfd5d010ce1ee443f10f96730f084f38984e 100644
 --- a/Source/WebKit/UIProcess/mac/WebViewImpl.mm
 +++ b/Source/WebKit/UIProcess/mac/WebViewImpl.mm
-@@ -2416,6 +2416,11 @@ WebCore::DestinationColorSpace WebViewImpl::colorSpace()
+@@ -2390,6 +2390,11 @@ WebCore::DestinationColorSpace WebViewImpl::colorSpace()
          if (!m_colorSpace)
              m_colorSpace = [NSColorSpace sRGBColorSpace];
      }
@@ -19943,8 +19614,8 @@ index 5775c9c17409f13c967b0fdb2030e4bb65982c50..35f3e6bcd38f93066c5d54e906431ae1
  
      ASSERT(m_colorSpace);
      return WebCore::DestinationColorSpace { [m_colorSpace CGColorSpace] };
-@@ -4554,6 +4559,17 @@ static RetainPtr<CGImageRef> takeWindowSnapshot(CGSWindowID windowID, bool captu
-     return adoptCF(WebCore::cgWindowListCreateImage(CGRectNull, kCGWindowListOptionIncludingWindow, windowID, imageOptions));
+@@ -4528,6 +4533,17 @@ static RetainPtr<CGImageRef> takeWindowSnapshot(CGSWindowID windowID, bool captu
+     return WebCore::cgWindowListCreateImage(CGRectNull, kCGWindowListOptionIncludingWindow, windowID, imageOptions);
  }
  
 +// Paywright begin
@@ -19963,10 +19634,10 @@ index 5775c9c17409f13c967b0fdb2030e4bb65982c50..35f3e6bcd38f93066c5d54e906431ae1
      return takeViewSnapshot(ForceSoftwareCapturingViewportSnapshot::No);
 diff --git a/Source/WebKit/UIProcess/win/InspectorPlaywrightAgentClientWin.cpp b/Source/WebKit/UIProcess/win/InspectorPlaywrightAgentClientWin.cpp
 new file mode 100644
-index 0000000000000000000000000000000000000000..dd7fe0604188bb025f361f1c44685e38bbf935ca
+index 0000000000000000000000000000000000000000..4f54a9445e5a7ecdb750c5c521da4f397776e633
 --- /dev/null
 +++ b/Source/WebKit/UIProcess/win/InspectorPlaywrightAgentClientWin.cpp
-@@ -0,0 +1,90 @@
+@@ -0,0 +1,89 @@
 +/*
 + * Copyright (C) 2020 Microsoft Corporation.
 + *
@@ -20046,7 +19717,6 @@ index 0000000000000000000000000000000000000000..dd7fe0604188bb025f361f1c44685e38
 +        WebCore::CurlProxySettings settings(WTFMove(proxyURL), String(proxyBypassList));
 +        browserContext->dataStore->setNetworkProxySettings(WTFMove(settings));
 +    }
-+    PAL::SessionID sessionID = browserContext->dataStore->sessionID();
 +    return browserContext;
 +}
 +
@@ -20319,7 +19989,7 @@ index 0000000000000000000000000000000000000000..8b474c730139b44a13c9d5b2d13ee204
 +
 +} // namespace WebKit
 diff --git a/Source/WebKit/UIProcess/win/WebView.cpp b/Source/WebKit/UIProcess/win/WebView.cpp
-index 2946296119ea0f551f02d37c41a8e5cec5b74249..68501ee0817ce21f48300a74f05726882630b23c 100644
+index 8b521de62266d4a7fad3624b548401a4c8056f9f..c6da98e334fbd090a8c63b690afb25697ac344d7 100644
 --- a/Source/WebKit/UIProcess/win/WebView.cpp
 +++ b/Source/WebKit/UIProcess/win/WebView.cpp
 @@ -556,9 +556,8 @@ LRESULT WebView::onSizeEvent(HWND hwnd, UINT, WPARAM, LPARAM lParam, bool& handl
@@ -20736,18 +20406,6 @@ index 0000000000000000000000000000000000000000..a7d88f8c745f95af21db71dcfce368ba
 +}
 + 
 +} // namespace WebKit
-diff --git a/Source/WebKit/UIProcess/wpe/WebPageProxyWPE.cpp b/Source/WebKit/UIProcess/wpe/WebPageProxyWPE.cpp
-index 33c5c1918e7496f08166a168e9ba6b091515e547..bdc4976cb290ff608c6bcae37a2ec2addd59b221 100644
---- a/Source/WebKit/UIProcess/wpe/WebPageProxyWPE.cpp
-+++ b/Source/WebKit/UIProcess/wpe/WebPageProxyWPE.cpp
-@@ -31,6 +31,7 @@
- #include "PageClientImpl.h"
- #include "UserMessage.h"
- #include "WebProcessProxy.h"
-+#include <wpe/wpe-platform.h>
- #include <WebCore/PlatformEvent.h>
- 
- #if USE(ATK)
 diff --git a/Source/WebKit/UIProcess/wpe/WebPreferencesWPE.cpp b/Source/WebKit/UIProcess/wpe/WebPreferencesWPE.cpp
 index 9b688ad328317fea4fd96ce66e9714bad8f0f937..402a36a9c565e13ec298aa7f014f0d9208ebddb7 100644
 --- a/Source/WebKit/UIProcess/wpe/WebPreferencesWPE.cpp
@@ -20763,23 +20421,11 @@ index 9b688ad328317fea4fd96ce66e9714bad8f0f937..402a36a9c565e13ec298aa7f014f0d92
  }
  
  } // namespace WebKit
-diff --git a/Source/WebKit/WPEPlatform/CMakeLists.txt b/Source/WebKit/WPEPlatform/CMakeLists.txt
-index 2b64d1b5b013d53b18b7757fe3b3f3d9a0501571..e8f28808f5ef0532319a4462fd285c0770d7ce52 100644
---- a/Source/WebKit/WPEPlatform/CMakeLists.txt
-+++ b/Source/WebKit/WPEPlatform/CMakeLists.txt
-@@ -96,6 +96,7 @@ set(WPEPlatform_SYSTEM_INCLUDE_DIRECTORIES
- 
- set(WPEPlatform_LIBRARIES
-     Epoxy::Epoxy
-+    rt
-     WTF
-     ${GLIB_GIO_LIBRARIES}
-     ${GLIB_GOBJECT_LIBRARIES}
 diff --git a/Source/WebKit/WebKit.xcodeproj/project.pbxproj b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
-index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e5171783467 100644
+index cf7270a1be953c9ceea9b62e3c0c1d4b60e3ad42..2500ac12bcfb21dd8f2a4371fd5e9ae76ffc6613 100644
 --- a/Source/WebKit/WebKit.xcodeproj/project.pbxproj
 +++ b/Source/WebKit/WebKit.xcodeproj/project.pbxproj
-@@ -1585,6 +1585,7 @@
+@@ -1577,6 +1577,7 @@
  		5CABDC8722C40FED001EDE8E /* APIMessageListener.h in Headers */ = {isa = PBXBuildFile; fileRef = 5CABDC8322C40FA7001EDE8E /* APIMessageListener.h */; };
  		5CADDE05215046BD0067D309 /* WKWebProcess.h in Headers */ = {isa = PBXBuildFile; fileRef = 5C74300E21500492004BFA17 /* WKWebProcess.h */; settings = {ATTRIBUTES = (Private, ); }; };
  		5CAECB6627465AE400AB78D0 /* UnifiedSource115.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5CAECB5E27465AE300AB78D0 /* UnifiedSource115.cpp */; };
@@ -20787,7 +20433,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  		5CAF7AA726F93AB00003F19E /* adattributiond.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5CAF7AA526F93A950003F19E /* adattributiond.cpp */; };
  		5CAFDE452130846300B1F7E1 /* _WKInspector.h in Headers */ = {isa = PBXBuildFile; fileRef = 5CAFDE422130843500B1F7E1 /* _WKInspector.h */; settings = {ATTRIBUTES = (Private, ); }; };
  		5CAFDE472130846A00B1F7E1 /* _WKInspectorInternal.h in Headers */ = {isa = PBXBuildFile; fileRef = 5CAFDE442130843600B1F7E1 /* _WKInspectorInternal.h */; };
-@@ -2407,6 +2408,18 @@
+@@ -2388,6 +2389,18 @@
  		DF0C5F28252ECB8E00D921DB /* WKDownload.h in Headers */ = {isa = PBXBuildFile; fileRef = DF0C5F24252ECB8D00D921DB /* WKDownload.h */; settings = {ATTRIBUTES = (Public, ); }; };
  		DF0C5F2A252ECB8E00D921DB /* WKDownloadDelegate.h in Headers */ = {isa = PBXBuildFile; fileRef = DF0C5F26252ECB8E00D921DB /* WKDownloadDelegate.h */; settings = {ATTRIBUTES = (Public, ); }; };
  		DF0C5F2B252ED44000D921DB /* WKDownloadInternal.h in Headers */ = {isa = PBXBuildFile; fileRef = DF0C5F25252ECB8E00D921DB /* WKDownloadInternal.h */; };
@@ -20806,7 +20452,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  		DF462E0F23F22F5500EFF35F /* WKHTTPCookieStorePrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = DF462E0E23F22F5300EFF35F /* WKHTTPCookieStorePrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
  		DF462E1223F338BE00EFF35F /* WKContentWorldPrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = DF462E1123F338AD00EFF35F /* WKContentWorldPrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
  		DF7A231C291B088D00B98DF3 /* WKSnapshotConfigurationPrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = DF7A231B291B088D00B98DF3 /* WKSnapshotConfigurationPrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
-@@ -2500,6 +2513,8 @@
+@@ -2481,6 +2494,8 @@
  		E5BEF6822130C48000F31111 /* WebDataListSuggestionsDropdownIOS.h in Headers */ = {isa = PBXBuildFile; fileRef = E5BEF6802130C47F00F31111 /* WebDataListSuggestionsDropdownIOS.h */; };
  		E5CB07DC20E1678F0022C183 /* WKFormColorControl.h in Headers */ = {isa = PBXBuildFile; fileRef = E5CB07DA20E1678F0022C183 /* WKFormColorControl.h */; };
  		E5CBA76427A318E100DF7858 /* UnifiedSource120.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E5CBA75F27A3187800DF7858 /* UnifiedSource120.cpp */; };
@@ -20815,7 +20461,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  		E5CBA76527A318E100DF7858 /* UnifiedSource118.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E5CBA76127A3187900DF7858 /* UnifiedSource118.cpp */; };
  		E5CBA76627A318E100DF7858 /* UnifiedSource116.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E5CBA76327A3187B00DF7858 /* UnifiedSource116.cpp */; };
  		E5CBA76727A318E100DF7858 /* UnifiedSource119.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E5CBA76027A3187900DF7858 /* UnifiedSource119.cpp */; };
-@@ -2523,6 +2538,9 @@
+@@ -2504,6 +2519,9 @@
  		EBA8D3B727A5E33F00CB7900 /* PushServiceConnection.mm in Sources */ = {isa = PBXBuildFile; fileRef = EBA8D3B127A5E33F00CB7900 /* PushServiceConnection.mm */; };
  		EBDF51D12C8FBC4700EA1376 /* WebsitePushAndNotificationsEnabledPolicy.h in Headers */ = {isa = PBXBuildFile; fileRef = EBDF51CF2C8FBC4700EA1376 /* WebsitePushAndNotificationsEnabledPolicy.h */; };
  		ED82A7F2128C6FAF004477B3 /* WKBundlePageOverlay.h in Headers */ = {isa = PBXBuildFile; fileRef = 1A22F0FF1289FCD90085E74F /* WKBundlePageOverlay.h */; settings = {ATTRIBUTES = (Private, ); }; };
@@ -20824,7 +20470,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
 +		F3867F0A24607D4E008F0F31 /* InspectorScreencastAgent.h in Headers */ = {isa = PBXBuildFile; fileRef = F3867F0424607D2B008F0F31 /* InspectorScreencastAgent.h */; };
  		F409BA181E6E64BC009DA28E /* WKDragDestinationAction.h in Headers */ = {isa = PBXBuildFile; fileRef = F409BA171E6E64B3009DA28E /* WKDragDestinationAction.h */; settings = {ATTRIBUTES = (Private, ); }; };
  		F40C3B712AB401C5007A3567 /* WKDatePickerPopoverController.h in Headers */ = {isa = PBXBuildFile; fileRef = F40C3B6F2AB40167007A3567 /* WKDatePickerPopoverController.h */; };
- 		F416F1C02C5C3E360085D8DD /* WKScrollViewTrackingTapGestureRecognizer.h in Headers */ = {isa = PBXBuildFile; fileRef = F416F1BE2C5C3E360085D8DD /* WKScrollViewTrackingTapGestureRecognizer.h */; };
+ 		F41145682CD939E0004CDBD1 /* _WKTouchEventGenerator.h in Headers */ = {isa = PBXBuildFile; fileRef = F41145652CD939E0004CDBD1 /* _WKTouchEventGenerator.h */; settings = {ATTRIBUTES = (Private, ); }; };
 @@ -6282,6 +6300,7 @@
  		5CABDC8522C40FCC001EDE8E /* WKMessageListener.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKMessageListener.h; sourceTree = "<group>"; };
  		5CABE07A28F60E8A00D83FD9 /* WebPushMessage.serialization.in */ = {isa = PBXFileReference; lastKnownFileType = text; path = WebPushMessage.serialization.in; sourceTree = "<group>"; };
@@ -20833,7 +20479,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  		5CAECB5E27465AE300AB78D0 /* UnifiedSource115.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = UnifiedSource115.cpp; sourceTree = "<group>"; };
  		5CAF7AA426F93A750003F19E /* adattributiond */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = adattributiond; sourceTree = BUILT_PRODUCTS_DIR; };
  		5CAF7AA526F93A950003F19E /* adattributiond.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = adattributiond.cpp; sourceTree = "<group>"; };
-@@ -7969,6 +7988,19 @@
+@@ -7977,6 +7996,19 @@
  		DF0C5F24252ECB8D00D921DB /* WKDownload.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKDownload.h; sourceTree = "<group>"; };
  		DF0C5F25252ECB8E00D921DB /* WKDownloadInternal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKDownloadInternal.h; sourceTree = "<group>"; };
  		DF0C5F26252ECB8E00D921DB /* WKDownloadDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKDownloadDelegate.h; sourceTree = "<group>"; };
@@ -20853,7 +20499,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  		DF462E0E23F22F5300EFF35F /* WKHTTPCookieStorePrivate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKHTTPCookieStorePrivate.h; sourceTree = "<group>"; };
  		DF462E1123F338AD00EFF35F /* WKContentWorldPrivate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKContentWorldPrivate.h; sourceTree = "<group>"; };
  		DF58C6311371AC5800F9A37C /* NativeWebWheelEvent.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NativeWebWheelEvent.h; sourceTree = "<group>"; };
-@@ -8129,6 +8161,8 @@
+@@ -8137,6 +8169,8 @@
  		E5CBA76127A3187900DF7858 /* UnifiedSource118.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = UnifiedSource118.cpp; sourceTree = "<group>"; };
  		E5CBA76227A3187900DF7858 /* UnifiedSource117.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = UnifiedSource117.cpp; sourceTree = "<group>"; };
  		E5CBA76327A3187B00DF7858 /* UnifiedSource116.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = UnifiedSource116.cpp; sourceTree = "<group>"; };
@@ -20862,7 +20508,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  		E5DEFA6726F8F42600AB68DB /* PhotosUISPI.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = PhotosUISPI.h; sourceTree = "<group>"; };
  		EB0D312D275AE13300863D8F /* com.apple.webkit.webpushd.mac.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = com.apple.webkit.webpushd.mac.plist; sourceTree = "<group>"; };
  		EB0D312E275AE13300863D8F /* com.apple.webkit.webpushd.ios.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = com.apple.webkit.webpushd.ios.plist; sourceTree = "<group>"; };
-@@ -8162,6 +8196,14 @@
+@@ -8170,6 +8204,14 @@
  		ECA680D31E6904B500731D20 /* ExtraPrivateSymbolsForTAPI.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ExtraPrivateSymbolsForTAPI.h; sourceTree = "<group>"; };
  		ECBFC1DB1E6A4D66000300C7 /* ExtraPublicSymbolsForTAPI.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ExtraPublicSymbolsForTAPI.h; sourceTree = "<group>"; };
  		F036978715F4BF0500C3A80E /* WebColorPicker.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebColorPicker.cpp; sourceTree = "<group>"; };
@@ -20877,7 +20523,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  		F409BA171E6E64B3009DA28E /* WKDragDestinationAction.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKDragDestinationAction.h; sourceTree = "<group>"; };
  		F40C3B6F2AB40167007A3567 /* WKDatePickerPopoverController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = WKDatePickerPopoverController.h; path = ios/forms/WKDatePickerPopoverController.h; sourceTree = "<group>"; };
  		F40C3B702AB40167007A3567 /* WKDatePickerPopoverController.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; name = WKDatePickerPopoverController.mm; path = ios/forms/WKDatePickerPopoverController.mm; sourceTree = "<group>"; };
-@@ -8487,6 +8529,7 @@
+@@ -8503,6 +8545,7 @@
  				3766F9EE189A1241003CF19B /* JavaScriptCore.framework in Frameworks */,
  				3766F9F1189A1254003CF19B /* libicucore.dylib in Frameworks */,
  				7B9FC5BB28A5233B007570E7 /* libWebKitPlatform.a in Frameworks */,
@@ -20885,7 +20531,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				3766F9EF189A1244003CF19B /* QuartzCore.framework in Frameworks */,
  				37694525184FC6B600CDE21F /* Security.framework in Frameworks */,
  				37BEC4DD1948FC6A008B4286 /* WebCore.framework in Frameworks */,
-@@ -11435,6 +11478,7 @@
+@@ -11507,6 +11550,7 @@
  				99788ACA1F421DCA00C08000 /* _WKAutomationSessionConfiguration.mm */,
  				990D28A81C6404B000986977 /* _WKAutomationSessionDelegate.h */,
  				990D28AF1C65203900986977 /* _WKAutomationSessionInternal.h */,
@@ -20893,7 +20539,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				5C4609E222430E4C009943C2 /* _WKContentRuleListAction.h */,
  				5C4609E322430E4D009943C2 /* _WKContentRuleListAction.mm */,
  				5C4609E422430E4D009943C2 /* _WKContentRuleListActionInternal.h */,
-@@ -12785,6 +12829,7 @@
+@@ -12853,6 +12897,7 @@
  				E34B110C27C46BC6006D2F2E /* libWebCoreTestShim.dylib */,
  				E34B110F27C46D09006D2F2E /* libWebCoreTestSupport.dylib */,
  				DDE992F4278D06D900F60D26 /* libWebKitAdditions.a */,
@@ -20901,7 +20547,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				57A9FF15252C6AEF006A2040 /* libWTF.a */,
  				5750F32A2032D4E500389347 /* LocalAuthentication.framework */,
  				570DAAB0230273D200E8FC04 /* NearField.framework */,
-@@ -13359,6 +13404,12 @@
+@@ -13426,6 +13471,12 @@
  			children = (
  				9197940423DBC4BB00257892 /* InspectorBrowserAgent.cpp */,
  				9197940323DBC4BB00257892 /* InspectorBrowserAgent.h */,
@@ -20914,7 +20560,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  			);
  			path = Agents;
  			sourceTree = "<group>";
-@@ -13367,6 +13418,7 @@
+@@ -13434,6 +13485,7 @@
  			isa = PBXGroup;
  			children = (
  				A5D3504D1D78F0D2005124A9 /* RemoteWebInspectorUIProxyMac.mm */,
@@ -20922,7 +20568,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				1CA8B935127C774E00576C2B /* WebInspectorUIProxyMac.mm */,
  				99A7ACE326012919006D57FD /* WKInspectorResourceURLSchemeHandler.h */,
  				99A7ACE42601291A006D57FD /* WKInspectorResourceURLSchemeHandler.mm */,
-@@ -14074,6 +14126,7 @@
+@@ -14151,6 +14203,7 @@
  				E1513C65166EABB200149FCB /* AuxiliaryProcessProxy.h */,
  				46A2B6061E5675A200C3DEDA /* BackgroundProcessResponsivenessTimer.cpp */,
  				46A2B6071E5675A200C3DEDA /* BackgroundProcessResponsivenessTimer.h */,
@@ -20930,7 +20576,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				5C6D69352AC3935D0099BDAF /* BrowsingContextGroup.cpp */,
  				5C6D69362AC3935D0099BDAF /* BrowsingContextGroup.h */,
  				5CA98549210BEB5A0057EB6B /* BrowsingWarning.h */,
-@@ -14098,6 +14151,8 @@
+@@ -14175,6 +14228,8 @@
  				BC06F43912DBCCFB002D78DE /* GeolocationPermissionRequestProxy.cpp */,
  				BC06F43812DBCCFB002D78DE /* GeolocationPermissionRequestProxy.h */,
  				2DD5A72A1EBF09A7009BA597 /* HiddenPageThrottlingAutoIncreasesCounter.h */,
@@ -20939,7 +20585,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				5CEABA2B2333251400797797 /* LegacyGlobalSettings.cpp */,
  				5CEABA2A2333247700797797 /* LegacyGlobalSettings.h */,
  				31607F3819627002009B87DA /* LegacySessionStateCoding.h */,
-@@ -14131,6 +14186,7 @@
+@@ -14208,6 +14263,7 @@
  				1A0C227D2451130A00ED614D /* QuickLookThumbnailingSoftLink.mm */,
  				1AEE57232409F142002005D6 /* QuickLookThumbnailLoader.h */,
  				1AEE57242409F142002005D6 /* QuickLookThumbnailLoader.mm */,
@@ -20947,7 +20593,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				5CCB54DC2A4FEA6A0005FAA8 /* RemotePageDrawingAreaProxy.cpp */,
  				5CCB54DB2A4FEA6A0005FAA8 /* RemotePageDrawingAreaProxy.h */,
  				5C907E9A294D507100B3402D /* RemotePageProxy.cpp */,
-@@ -14231,6 +14287,8 @@
+@@ -14308,6 +14364,8 @@
  				BC7B6204129A0A6700D174A4 /* WebPageGroup.h */,
  				2D9EA3101A96D9EB002D2807 /* WebPageInjectedBundleClient.cpp */,
  				2D9EA30E1A96CBFF002D2807 /* WebPageInjectedBundleClient.h */,
@@ -20956,7 +20602,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				9B7F8A502C785725000057F3 /* WebPageLoadTiming.h */,
  				BC111B0B112F5E4F00337BAB /* WebPageProxy.cpp */,
  				BC032DCB10F4389F0058C15A /* WebPageProxy.h */,
-@@ -14406,6 +14464,7 @@
+@@ -14486,6 +14544,7 @@
  				BC646C1911DD399F006455B0 /* WKBackForwardListItemRef.h */,
  				BC646C1611DD399F006455B0 /* WKBackForwardListRef.cpp */,
  				BC646C1711DD399F006455B0 /* WKBackForwardListRef.h */,
@@ -20964,7 +20610,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				BCB9E24A1120E15C00A137E0 /* WKContext.cpp */,
  				BCB9E2491120E15C00A137E0 /* WKContext.h */,
  				1AE52F9319201F6B00A1FA37 /* WKContextConfigurationRef.cpp */,
-@@ -14980,6 +15039,9 @@
+@@ -15060,6 +15119,9 @@
  				07EF07592745A8160066EA04 /* DisplayCaptureSessionManager.h */,
  				07EF07582745A8160066EA04 /* DisplayCaptureSessionManager.mm */,
  				7AFA6F682A9F57C50055322A /* DisplayLinkMac.cpp */,
@@ -20974,7 +20620,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				1AFDE65B1954E8D500C48FFA /* LegacySessionStateCoding.cpp */,
  				0FCB4E5818BBE3D9000FCFC9 /* PageClientImplMac.h */,
  				0FCB4E5918BBE3D9000FCFC9 /* PageClientImplMac.mm */,
-@@ -15003,6 +15065,8 @@
+@@ -15083,6 +15145,8 @@
  				E568B92120A3AC6A00E3C856 /* WebDataListSuggestionsDropdownMac.mm */,
  				E55CD20124D09F1F0042DB9C /* WebDateTimePickerMac.h */,
  				E55CD20224D09F1F0042DB9C /* WebDateTimePickerMac.mm */,
@@ -20983,15 +20629,15 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				BC857E8512B71EBB00EDEB2E /* WebPageProxyMac.mm */,
  				BC5750951268F3C6006F0F12 /* WebPopupMenuProxyMac.h */,
  				BC5750961268F3C6006F0F12 /* WebPopupMenuProxyMac.mm */,
-@@ -16050,6 +16114,7 @@
+@@ -16142,6 +16206,7 @@
  				99788ACB1F421DDA00C08000 /* _WKAutomationSessionConfiguration.h in Headers */,
  				990D28AC1C6420CF00986977 /* _WKAutomationSessionDelegate.h in Headers */,
  				990D28B11C65208D00986977 /* _WKAutomationSessionInternal.h in Headers */,
 +				D71A944A2372290B002C4D9E /* _WKBrowserInspector.h in Headers */,
  				5C4609E7224317B4009943C2 /* _WKContentRuleListAction.h in Headers */,
  				5C4609E8224317BB009943C2 /* _WKContentRuleListActionInternal.h in Headers */,
- 				1A5704F81BE01FF400874AF1 /* _WKContextMenuElementInfo.h in Headers */,
-@@ -16355,6 +16420,7 @@
+ 				9B4CE9512CD99B7C00351173 /* _WKContentWorldConfiguration.h in Headers */,
+@@ -16451,6 +16516,7 @@
  				E170876C16D6CA6900F99226 /* BlobRegistryProxy.h in Headers */,
  				4F601432155C5AA2001FBDE0 /* BlockingResponseMap.h in Headers */,
  				1A5705111BE410E600874AF1 /* BlockSPI.h in Headers */,
@@ -20999,7 +20645,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				5CA9854A210BEB640057EB6B /* BrowsingWarning.h in Headers */,
  				A7E69BCC2B2117A100D43D3F /* BufferAndBackendInfo.h in Headers */,
  				BC3065FA1259344E00E71278 /* CacheModel.h in Headers */,
-@@ -16537,7 +16603,11 @@
+@@ -16634,7 +16700,11 @@
  				BC14DF77120B5B7900826C0C /* InjectedBundleScriptWorld.h in Headers */,
  				CE550E152283752200D28791 /* InsertTextOptions.h in Headers */,
  				9197940523DBC4BB00257892 /* InspectorBrowserAgent.h in Headers */,
@@ -21011,7 +20657,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				A5E391FD2183C1F800C8FB31 /* InspectorTargetProxy.h in Headers */,
  				C5BCE5DF1C50766A00CDE3FA /* InteractionInformationAtPosition.h in Headers */,
  				2D4D2C811DF60BF3002EB10C /* InteractionInformationRequest.h in Headers */,
-@@ -16797,6 +16867,7 @@
+@@ -16894,6 +16964,7 @@
  				0F6E7C532C4C386800F1DB85 /* RemoteDisplayListRecorderMessages.h in Headers */,
  				F451C0FE2703B263002BA03B /* RemoteDisplayListRecorderProxy.h in Headers */,
  				A78A5FE42B0EB39E005036D3 /* RemoteImageBufferSetIdentifier.h in Headers */,
@@ -21019,7 +20665,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				2D47B56D1810714E003A3AEE /* RemoteLayerBackingStore.h in Headers */,
  				2DDF731518E95060004F5A66 /* RemoteLayerBackingStoreCollection.h in Headers */,
  				1AB16AEA164B3A8800290D62 /* RemoteLayerTreeContext.h in Headers */,
-@@ -16850,6 +16921,7 @@
+@@ -16947,6 +17018,7 @@
  				E1E552C516AE065F004ED653 /* SandboxInitializationParameters.h in Headers */,
  				E36FF00327F36FBD004BE21A /* SandboxStateVariables.h in Headers */,
  				7BAB111025DD02B3008FC479 /* ScopedActiveMessageReceiveQueue.h in Headers */,
@@ -21027,7 +20673,7 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				463BB93A2B9D08D80098C5C3 /* ScriptMessageHandlerIdentifier.h in Headers */,
  				F4E28A362C923814008120DD /* ScriptTelemetry.h in Headers */,
  				E4D54D0421F1D72D007E3C36 /* ScrollingTreeFrameScrollingNodeRemoteIOS.h in Headers */,
-@@ -17203,6 +17275,8 @@
+@@ -17299,6 +17371,8 @@
  				939EF87029D112EE00F23AEE /* WebPageInlines.h in Headers */,
  				9197940823DBC4CB00257892 /* WebPageInspectorAgentBase.h in Headers */,
  				A513F5402154A5D700662841 /* WebPageInspectorController.h in Headers */,
@@ -21036,29 +20682,64 @@ index 9c88c517a12bbf6f81717d698754ddd2e93c0147..07c80602d45db2139cf7c2d651212e51
  				A543E30C215C8A8D00279CD9 /* WebPageInspectorTarget.h in Headers */,
  				A543E30D215C8A9000279CD9 /* WebPageInspectorTargetController.h in Headers */,
  				A543E307215AD13700279CD9 /* WebPageInspectorTargetFrontendChannel.h in Headers */,
-@@ -19623,6 +19697,8 @@
+@@ -19739,7 +19813,43 @@
  				522F792928D50EBB0069B45B /* HidService.mm in Sources */,
  				2749F6442146561B008380BF /* InjectedBundleNodeHandle.cpp in Sources */,
  				2749F6452146561E008380BF /* InjectedBundleRangeHandle.cpp in Sources */,
 +				D7EB04E72372A73B00F744CE /* InspectorPlaywrightAgentClientMac.mm in Sources */,
 +				D79902B2236E9404005D6F7E /* InspectorTargetProxyMac.mm in Sources */,
- 				1CC94E532AC92F190045F269 /* JSWebExtensionAPIAction.mm in Sources */,
- 				1C2B4D4B2A819D0D00C528A1 /* JSWebExtensionAPIAlarms.mm in Sources */,
- 				1C8ECFEA2AFC7DCB007BAA62 /* JSWebExtensionAPICommands.mm in Sources */,
-@@ -20069,6 +20145,8 @@
- 				E3816B3D27E2463A005EAFC0 /* WebMockContentFilterManager.cpp in Sources */,
- 				31BA924D148831260062EDB5 /* WebNotificationManagerMessageReceiver.cpp in Sources */,
- 				2DF6FE52212E110900469030 /* WebPage.cpp in Sources */,
++				1CC94E532AC92F190045F269 /* JSWebExtensionAPIAction.mm in Sources */,
++				1C2B4D4B2A819D0D00C528A1 /* JSWebExtensionAPIAlarms.mm in Sources */,
++				1C8ECFEA2AFC7DCB007BAA62 /* JSWebExtensionAPICommands.mm in Sources */,
++				1C40052C2B2B953D00F2D9EE /* JSWebExtensionAPICookies.mm in Sources */,
++				331102402B17B99800B21C8C /* JSWebExtensionAPIDeclarativeNetRequest.mm in Sources */,
++				1C517F452B74393C00C46EDC /* JSWebExtensionAPIDevTools.mm in Sources */,
++				1C517F432B74393C00C46EDC /* JSWebExtensionAPIDevToolsExtensionPanel.mm in Sources */,
++				1C517F472B74393C00C46EDC /* JSWebExtensionAPIDevToolsInspectedWindow.mm in Sources */,
++				1C517F462B74393C00C46EDC /* JSWebExtensionAPIDevToolsNetwork.mm in Sources */,
++				1C517F412B74393C00C46EDC /* JSWebExtensionAPIDevToolsPanels.mm in Sources */,
++				B6114A7F29394A1600380B1B /* JSWebExtensionAPIEvent.mm in Sources */,
++				1C5DC471290B33A20061EC62 /* JSWebExtensionAPIExtension.mm in Sources */,
++				B6CCAAB929A445E90092E846 /* JSWebExtensionAPILocalization.mm in Sources */,
++				1CCEE4532B0989FC0034E059 /* JSWebExtensionAPIMenus.mm in Sources */,
++				1C5DC4552908AC900061EC62 /* JSWebExtensionAPINamespace.mm in Sources */,
++				1C386F362AF409F9004108F0 /* JSWebExtensionAPINotifications.mm in Sources */,
++				B61AFA4929510D0F008220B1 /* JSWebExtensionAPIPermissions.mm in Sources */,
++				1C9A15CF2ABDF1E2002CC12A /* JSWebExtensionAPIPort.mm in Sources */,
++				1C5DC472290B33A60061EC62 /* JSWebExtensionAPIRuntime.mm in Sources */,
++				B63E9A6F2AAF2B2D005F4561 /* JSWebExtensionAPIScripting.mm in Sources */,
++				029D6BB22C407AA30068CF99 /* JSWebExtensionAPISidebarAction.mm in Sources */,
++				029D6BB12C407AA30068CF99 /* JSWebExtensionAPISidePanel.mm in Sources */,
++				B63C10342B51C0B6004A69B8 /* JSWebExtensionAPIStorage.mm in Sources */,
++				B63C10372B51C102004A69B8 /* JSWebExtensionAPIStorageArea.mm in Sources */,
++				1C5ACFAB2A96F8D500C041C0 /* JSWebExtensionAPITabs.mm in Sources */,
++				1C15497F2926C073001B9E5B /* JSWebExtensionAPITest.mm in Sources */,
+ 				1C0F05BE2CFA5D2E007D1F62 /* JSWebExtensionAPIUnified.mm in Sources */,
++				3375A3772942A19D0028536D /* JSWebExtensionAPIWebNavigation.mm in Sources */,
++				33F68338293FF6F5005C63C0 /* JSWebExtensionAPIWebNavigationEvent.mm in Sources */,
++				B63A99772B7EA002004611FD /* JSWebExtensionAPIWebPageNamespace.mm in Sources */,
++				B63A99782B7EA002004611FD /* JSWebExtensionAPIWebPageRuntime.mm in Sources */,
++				3399E1532B59EFD7008BFB60 /* JSWebExtensionAPIWebRequest.mm in Sources */,
++				337042022B58A0B70077FF78 /* JSWebExtensionAPIWebRequestEvent.mm in Sources */,
++				1C5ACFA62A96F8C400C041C0 /* JSWebExtensionAPIWindows.mm in Sources */,
++				1C5ACFA72A96F8C400C041C0 /* JSWebExtensionAPIWindowsEvent.mm in Sources */,
+ 				1C5DC45F2909B05A0061EC62 /* JSWebExtensionWrapperCocoa.mm in Sources */,
+ 				C14D37FE24ACE086007FF014 /* LaunchServicesDatabaseManager.mm in Sources */,
+ 				C1710CF724AA643200D7C112 /* LaunchServicesDatabaseObserver.mm in Sources */,
+@@ -20162,6 +20272,8 @@
+ 				074E87E12CF8EA3D0059E469 /* WebPage+NavigationDeciding.swift in Sources */,
+ 				078B04A02CF18EAB00B453A6 /* WebPage+NavigationPreferences.swift in Sources */,
+ 				07CB79962CE9435700199C49 /* WebPage.swift in Sources */,
 +				D79902B1236E9404005D6F7E /* WebPageInspectorEmulationAgentMac.mm in Sources */,
 +				D79902B3236E9404005D6F7E /* WebPageInspectorInputAgentMac.mm in Sources */,
  				C0CE72A01247E71D00BC0EC4 /* WebPageMessageReceiver.cpp in Sources */,
  				BCBD3914125BB1A800D2C29F /* WebPageProxyMessageReceiver.cpp in Sources */,
  				C0CE72A01B47E71D00BC0EC4 /* WebPageTestingMessageReceiver.cpp in Sources */,
 diff --git a/Source/WebKit/WebProcess/Network/WebLoaderStrategy.cpp b/Source/WebKit/WebProcess/Network/WebLoaderStrategy.cpp
-index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d9143afd03a 100644
+index cd28fa2f67ccd957ae04d59a86506f1c83659112..e66d60a8bf55b96c16a5582cd19939f3baa80a97 100644
 --- a/Source/WebKit/WebProcess/Network/WebLoaderStrategy.cpp
 +++ b/Source/WebKit/WebProcess/Network/WebLoaderStrategy.cpp
-@@ -236,6 +236,11 @@ void WebLoaderStrategy::scheduleLoad(ResourceLoader& resourceLoader, CachedResou
+@@ -245,6 +245,11 @@ void WebLoaderStrategy::scheduleLoad(ResourceLoader& resourceLoader, CachedResou
      }
  #endif
  
@@ -21070,7 +20751,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
  #if ENABLE(PDFJS)
      if (tryLoadingUsingPDFJSHandler(resourceLoader, trackingParameters))
          return;
-@@ -245,12 +250,16 @@ void WebLoaderStrategy::scheduleLoad(ResourceLoader& resourceLoader, CachedResou
+@@ -254,12 +259,16 @@ void WebLoaderStrategy::scheduleLoad(ResourceLoader& resourceLoader, CachedResou
          return;
  
      if (InspectorInstrumentationWebKit::shouldInterceptRequest(resourceLoader)) {
@@ -21093,7 +20774,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
      }
  
      WEBLOADERSTRATEGY_RELEASE_LOG("scheduleLoad: URL will be scheduled with the NetworkProcess");
-@@ -369,7 +378,8 @@ static void addParametersShared(const LocalFrame* frame, NetworkResourceLoadPara
+@@ -379,7 +388,8 @@ static void addParametersShared(const LocalFrame* frame, NetworkResourceLoadPara
          parameters.linkPreconnectEarlyHintsEnabled = mainFrame->settings().linkPreconnectEarlyHintsEnabled();
  }
  
@@ -21103,7 +20784,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
  {
      auto identifier = *resourceLoader.identifier();
  
-@@ -384,7 +394,7 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
+@@ -394,7 +404,7 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
              RunLoop::main().dispatch([resourceLoader = Ref { resourceLoader }, error = blockedError(request)] {
                  resourceLoader->didFail(error);
              });
@@ -21112,7 +20793,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
          }
      }
  
-@@ -394,7 +404,6 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
+@@ -404,7 +414,6 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
  
      LOG(NetworkScheduling, "(WebProcess) WebLoaderStrategy::scheduleLoad, url '%s' will be scheduled with the NetworkProcess with priority %d, storedCredentialsPolicy %i", resourceLoader.url().string().latin1().data(), static_cast<int>(resourceLoader.request().priority()), (int)storedCredentialsPolicy);
  
@@ -21120,7 +20801,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
      loadParameters.identifier = identifier;
      loadParameters.webPageProxyID = trackingParameters.webPageProxyID;
      loadParameters.webPageID = trackingParameters.pageID;
-@@ -484,14 +493,11 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
+@@ -494,14 +503,11 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
  
      if (loadParameters.options.mode != FetchOptions::Mode::Navigate) {
          ASSERT(loadParameters.sourceOrigin);
@@ -21138,7 +20819,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
  
      loadParameters.isMainFrameNavigation = isMainFrameNavigation;
      if (loadParameters.isMainFrameNavigation && document)
-@@ -532,6 +538,17 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
+@@ -542,6 +548,17 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
      }
  
      ASSERT((loadParameters.webPageID && loadParameters.webFrameID) || loadParameters.clientCredentialPolicy == ClientCredentialPolicy::CannotAskClientForCredentials);
@@ -21156,7 +20837,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
  
      std::optional<NetworkResourceLoadIdentifier> existingNetworkResourceLoadIdentifierToResume;
      if (loadParameters.isMainFrameNavigation)
-@@ -547,7 +564,7 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
+@@ -557,7 +574,7 @@ void WebLoaderStrategy::scheduleLoadFromNetworkProcess(ResourceLoader& resourceL
      }
  
      auto loader = WebResourceLoader::create(resourceLoader, trackingParameters);
@@ -21165,7 +20846,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
  }
  
  void WebLoaderStrategy::scheduleInternallyFailedLoad(WebCore::ResourceLoader& resourceLoader)
-@@ -957,7 +974,7 @@ void WebLoaderStrategy::didFinishPreconnection(WebCore::ResourceLoaderIdentifier
+@@ -967,7 +984,7 @@ void WebLoaderStrategy::didFinishPreconnection(WebCore::ResourceLoaderIdentifier
  
  bool WebLoaderStrategy::isOnLine() const
  {
@@ -21174,7 +20855,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
  }
  
  void WebLoaderStrategy::addOnlineStateChangeListener(Function<void(bool)>&& listener)
-@@ -984,6 +1001,11 @@ void WebLoaderStrategy::isResourceLoadFinished(CachedResource& resource, Complet
+@@ -994,6 +1011,11 @@ void WebLoaderStrategy::isResourceLoadFinished(CachedResource& resource, Complet
  
  void WebLoaderStrategy::setOnLineState(bool isOnLine)
  {
@@ -21186,7 +20867,7 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
      if (m_isOnLine == isOnLine)
          return;
  
-@@ -992,6 +1014,12 @@ void WebLoaderStrategy::setOnLineState(bool isOnLine)
+@@ -1002,6 +1024,12 @@ void WebLoaderStrategy::setOnLineState(bool isOnLine)
          listener(isOnLine);
  }
  
@@ -21200,18 +20881,18 @@ index d2b9d07144dab5d57cf91942d55a2b140a802d7f..4ad2d136a352af588c2c3efa8e470d91
  {
      WebProcess::singleton().ensureNetworkProcessConnection().connection().send(Messages::NetworkConnectionToWebProcess::SetCaptureExtraNetworkLoadMetricsEnabled(enabled), 0);
 diff --git a/Source/WebKit/WebProcess/Network/WebLoaderStrategy.h b/Source/WebKit/WebProcess/Network/WebLoaderStrategy.h
-index 1a106f701e2756b5b5e19f828f97a7c0b838ae19..3ccc019ea234c414129f6c1209574f3b0387aa9f 100644
+index a835521fae8043c1c3d6202288b0c3a9f92aa81b..0c8bee6c0a02e6adb1b9e56d77613253111fffd2 100644
 --- a/Source/WebKit/WebProcess/Network/WebLoaderStrategy.h
 +++ b/Source/WebKit/WebProcess/Network/WebLoaderStrategy.h
-@@ -43,6 +43,7 @@ struct FetchOptions;
+@@ -44,6 +44,7 @@ struct FetchOptions;
  namespace WebKit {
  
  class NetworkProcessConnection;
 +class NetworkResourceLoadParameters;
  class WebFrame;
  class WebPage;
- class WebURLSchemeTaskProxy;
-@@ -91,6 +92,9 @@ public:
+ class WebProcess;
+@@ -96,6 +97,9 @@ public:
      bool isOnLine() const final;
      void addOnlineStateChangeListener(Function<void(bool)>&&) final;
      void setOnLineState(bool);
@@ -21221,7 +20902,7 @@ index 1a106f701e2756b5b5e19f828f97a7c0b838ae19..3ccc019ea234c414129f6c1209574f3b
  
      void setExistingNetworkResourceLoadIdentifierToResume(std::optional<NetworkResourceLoadIdentifier> existingNetworkResourceLoadIdentifierToResume) { m_existingNetworkResourceLoadIdentifierToResume = existingNetworkResourceLoadIdentifierToResume; }
  
-@@ -143,6 +147,7 @@ private:
+@@ -149,6 +153,7 @@ private:
      Vector<Function<void(bool)>> m_onlineStateChangeListeners;
      std::optional<NetworkResourceLoadIdentifier> m_existingNetworkResourceLoadIdentifierToResume;
      bool m_isOnLine { true };
@@ -21230,10 +20911,10 @@ index 1a106f701e2756b5b5e19f828f97a7c0b838ae19..3ccc019ea234c414129f6c1209574f3b
  
  } // namespace WebKit
 diff --git a/Source/WebKit/WebProcess/Network/WebResourceLoader.cpp b/Source/WebKit/WebProcess/Network/WebResourceLoader.cpp
-index c28454bdba0426c66f1f24c854761b2ddd0354a0..ee73825ca10881ebd8099af5382b7cb5c7efc882 100644
+index 752ac70125786e40d4976059f2f9c55982e746d7..adcbfb36714703e202f7e11a9113a2df03e399dc 100644
 --- a/Source/WebKit/WebProcess/Network/WebResourceLoader.cpp
 +++ b/Source/WebKit/WebProcess/Network/WebResourceLoader.cpp
-@@ -189,9 +189,6 @@ void WebResourceLoader::didReceiveResponse(ResourceResponse&& response, PrivateR
+@@ -188,9 +188,6 @@ void WebResourceLoader::didReceiveResponse(ResourceResponse&& response, PrivateR
              }
  
              m_coreLoader->didReceiveResponse(inspectorResponse, [this, protectedThis = WTFMove(protectedThis), interceptedRequestIdentifier, policyDecisionCompletionHandler = WTFMove(policyDecisionCompletionHandler), overrideData = WTFMove(overrideData)]() mutable {
@@ -21243,7 +20924,7 @@ index c28454bdba0426c66f1f24c854761b2ddd0354a0..ee73825ca10881ebd8099af5382b7cb5
                  if (!m_coreLoader || !m_coreLoader->identifier()) {
                      m_interceptController.continueResponse(interceptedRequestIdentifier);
                      return;
-@@ -209,6 +206,8 @@ void WebResourceLoader::didReceiveResponse(ResourceResponse&& response, PrivateR
+@@ -208,6 +205,8 @@ void WebResourceLoader::didReceiveResponse(ResourceResponse&& response, PrivateR
                  }
              });
          });
@@ -21252,24 +20933,11 @@ index c28454bdba0426c66f1f24c854761b2ddd0354a0..ee73825ca10881ebd8099af5382b7cb5
          return;
      }
  
-diff --git a/Source/WebKit/WebProcess/Notifications/NotificationPermissionRequestManager.cpp b/Source/WebKit/WebProcess/Notifications/NotificationPermissionRequestManager.cpp
-index e314c2987e348a0abee8b655caff3a1c3b3c4564..882746d581bd8db6f2fad5944f09ee9fe9e0e55b 100644
---- a/Source/WebKit/WebProcess/Notifications/NotificationPermissionRequestManager.cpp
-+++ b/Source/WebKit/WebProcess/Notifications/NotificationPermissionRequestManager.cpp
-@@ -85,7 +85,7 @@ void NotificationPermissionRequestManager::startRequest(const SecurityOriginData
- 
-     m_page->sendWithAsyncReply(Messages::WebPageProxy::RequestNotificationPermission(securityOrigin.toString()), [this, protectedThis = Ref { *this }, securityOrigin, permissionHandler = WTFMove(permissionHandler)](bool allowed) mutable {
- 
--        auto innerPermissionHandler = [this, protectedThis = Ref { *this }, securityOrigin, permissionHandler = WTFMove(permissionHandler)] (bool allowed) mutable {
-+        auto innerPermissionHandler = [this, protectedThis, securityOrigin, permissionHandler = WTFMove(permissionHandler)] (bool allowed) mutable {
-             WebProcess::singleton().supplement<WebNotificationManager>()->didUpdateNotificationDecision(securityOrigin.toString(), allowed);
- 
-             auto permissionHandlers = m_requestsPerOrigin.take(securityOrigin);
 diff --git a/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.cpp b/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.cpp
-index 39cd00b233c10fc167feed68802b9930bf88e7ca..0e1cd22bdebf9d57074d264104843ca76e820b98 100644
+index b2f4f1e2978f3bcd72a2c7af6705028af47e9300..f334bfa826c49ee7bc09a9042329dbe27479b27c 100644
 --- a/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.cpp
 +++ b/Source/WebKit/WebProcess/WebCoreSupport/WebChromeClient.cpp
-@@ -476,6 +476,8 @@ void WebChromeClient::addMessageToConsole(MessageSource source, MessageLevel lev
+@@ -481,6 +481,8 @@ void WebChromeClient::addMessageToConsole(MessageSource source, MessageLevel lev
  {
      // Notify the bundle client.
      auto page = protectedPage();
@@ -21279,20 +20947,10 @@ index 39cd00b233c10fc167feed68802b9930bf88e7ca..0e1cd22bdebf9d57074d264104843ca7
  }
  
 diff --git a/Source/WebKit/WebProcess/WebCoreSupport/WebDragClient.cpp b/Source/WebKit/WebProcess/WebCoreSupport/WebDragClient.cpp
-index dd03326b1ad54e1d363d722cfe86bb779fbeead1..71ab72cdff9870dbf9fc017e8e61ab73e1437262 100644
+index dd03326b1ad54e1d363d722cfe86bb779fbeead1..f54d631dc4034c995cbd74ec6b545c3c7dd25990 100644
 --- a/Source/WebKit/WebProcess/WebCoreSupport/WebDragClient.cpp
 +++ b/Source/WebKit/WebProcess/WebCoreSupport/WebDragClient.cpp
-@@ -30,6 +30,9 @@
- 
- #include "WebPage.h"
- #include <wtf/TZoneMallocInlines.h>
-+#include <WebCore/DataTransfer.h>
-+#include <WebCore/Pasteboard.h>
-+#include <WebCore/ShareableBitmap.h>
- 
- namespace WebKit {
- using namespace WebCore;
-@@ -53,7 +56,7 @@ OptionSet<DragSourceAction> WebDragClient::dragSourceActionMaskForPoint(const In
+@@ -53,7 +53,7 @@ OptionSet<DragSourceAction> WebDragClient::dragSourceActionMaskForPoint(const In
      return m_page->allowedDragSourceActions();
  }
  
@@ -21301,30 +20959,11 @@ index dd03326b1ad54e1d363d722cfe86bb779fbeead1..71ab72cdff9870dbf9fc017e8e61ab73
  void WebDragClient::startDrag(DragItem, DataTransfer&, Frame&)
  {
  }
-diff --git a/Source/WebKit/WebProcess/WebCoreSupport/WebLocalFrameLoaderClient.cpp b/Source/WebKit/WebProcess/WebCoreSupport/WebLocalFrameLoaderClient.cpp
-index 698a9701706dc8d6772f6565ae39c454fe8bf641..cafbb07349e175f786e3450a2132683e80273217 100644
---- a/Source/WebKit/WebProcess/WebCoreSupport/WebLocalFrameLoaderClient.cpp
-+++ b/Source/WebKit/WebProcess/WebCoreSupport/WebLocalFrameLoaderClient.cpp
-@@ -1581,14 +1581,6 @@ void WebLocalFrameLoaderClient::transitionToCommittedForNewPage(InitializingIfra
- 
-     if (initializingIframe == InitializingIframe::No)
-         webPage->scheduleFullEditorStateUpdate();
--
--#if USE(COORDINATED_GRAPHICS)
--    if (shouldUseFixedLayout) {
--        view->setDelegatedScrollingMode(shouldUseFixedLayout ? DelegatedScrollingMode::DelegatedToNativeScrollView : DelegatedScrollingMode::NotDelegated);
--        view->setPaintsEntireContents(shouldUseFixedLayout);
--        return;
--    }
--#endif
- }
- 
- void WebLocalFrameLoaderClient::didRestoreFromBackForwardCache()
 diff --git a/Source/WebKit/WebProcess/WebCoreSupport/mac/WebDragClientMac.mm b/Source/WebKit/WebProcess/WebCoreSupport/mac/WebDragClientMac.mm
-index 69b851554679018aefe2c22b79671f7796d9e8b8..50e985ded3cdc9aaa5f30f7776c29cbc23c2b2b8 100644
+index 2713e431893efd17c95d163f14aec45b27e0d6fc..b96b1d9cba20af611837915412fa4202667e800d 100644
 --- a/Source/WebKit/WebProcess/WebCoreSupport/mac/WebDragClientMac.mm
 +++ b/Source/WebKit/WebProcess/WebCoreSupport/mac/WebDragClientMac.mm
-@@ -129,7 +129,8 @@ static WebCore::CachedImage* cachedImage(Element& element)
+@@ -128,7 +128,8 @@ static WebCore::CachedImage* cachedImage(Element& element)
  
  void WebDragClient::declareAndWriteDragImage(const String& pasteboardName, Element& element, const URL& url, const String& label, LocalFrame*)
  {
@@ -21461,7 +21100,7 @@ index 0000000000000000000000000000000000000000..226b3bf6bd83d2606a0aeb627ae9302f
 +
 +#endif // ENABLE(DRAG_SUPPORT)
 diff --git a/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/DrawingAreaCoordinatedGraphics.cpp b/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/DrawingAreaCoordinatedGraphics.cpp
-index 3faeacda3c578ef2fd86e4a04b09315017dc47f1..174c8d565a00a519e12510c77fff4cfb63cc7a8a 100644
+index ac4b96234c1c2a32dbeae20431c83152dcede91c..6a3c70a9fd2d2f4f413f0e3e925280fb261c4d2c 100644
 --- a/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/DrawingAreaCoordinatedGraphics.cpp
 +++ b/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/DrawingAreaCoordinatedGraphics.cpp
 @@ -39,6 +39,7 @@
@@ -21472,24 +21111,7 @@ index 3faeacda3c578ef2fd86e4a04b09315017dc47f1..174c8d565a00a519e12510c77fff4cfb
  #include <WebCore/LocalFrame.h>
  #include <WebCore/LocalFrameView.h>
  #include <WebCore/Page.h>
-@@ -103,6 +104,16 @@ void DrawingAreaCoordinatedGraphics::scroll(const IntRect& scrollRect, const Int
-         ASSERT(m_scrollRect.isEmpty());
-         ASSERT(m_scrollOffset.isEmpty());
-         ASSERT(m_dirtyRegion.isEmpty());
-+// Playwright begin
-+#if !PLATFORM(WIN)
-+        if (m_webPage->mainFrameView() && m_webPage->mainFrameView()->useFixedLayout()) {
-+            IntRect visibleRect = IntRect(m_layerTreeHost->viewportController().visibleContentsRect());
-+            visibleRect.move(-scrollDelta.width(), -scrollDelta.height());
-+            m_layerTreeHost->scrollNonCompositedContents(visibleRect);
-+            return;
-+        }
-+#endif
-+// Playwright end
-         m_layerTreeHost->scrollNonCompositedContents(scrollRect);
-         return;
-     }
-@@ -566,6 +577,11 @@ void DrawingAreaCoordinatedGraphics::enterAcceleratedCompositingMode(GraphicsLay
+@@ -557,6 +558,11 @@ void DrawingAreaCoordinatedGraphics::enterAcceleratedCompositingMode(GraphicsLay
      m_scrollOffset = IntSize();
      m_displayTimer.stop();
      m_isWaitingForDidUpdate = false;
@@ -21501,7 +21123,7 @@ index 3faeacda3c578ef2fd86e4a04b09315017dc47f1..174c8d565a00a519e12510c77fff4cfb
  }
  
  void DrawingAreaCoordinatedGraphics::sendEnterAcceleratedCompositingModeIfNeeded()
-@@ -623,6 +639,11 @@ void DrawingAreaCoordinatedGraphics::exitAcceleratedCompositingMode()
+@@ -614,6 +620,11 @@ void DrawingAreaCoordinatedGraphics::exitAcceleratedCompositingMode()
          // UI process, we still need to let it know about the new contents, so send an Update message.
          send(Messages::DrawingAreaProxy::Update(0, WTFMove(updateInfo)));
      }
@@ -21513,58 +21135,20 @@ index 3faeacda3c578ef2fd86e4a04b09315017dc47f1..174c8d565a00a519e12510c77fff4cfb
  }
  
  void DrawingAreaCoordinatedGraphics::scheduleDisplay()
-diff --git a/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.cpp b/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.cpp
-index cc48ff93f937051121c38776e3c5c74ed6d70e8a..722dbdb4a881404f00a7e65e3e092f4873bde093 100644
---- a/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.cpp
-+++ b/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.cpp
-@@ -205,8 +205,16 @@ void LayerTreeHost::scrollNonCompositedContents(const IntRect& rect)
-     m_scrolledSinceLastFrame = true;
- 
-     auto* frameView = m_webPage.localMainFrameView();
-+
-+// Playwright begin
-+#if PLATFORM(WIN)
-     if (!frameView || !frameView->delegatesScrolling())
-+        return
-+#else
-+    if (!frameView)
-         return;
-+#endif
-+// Playwright end
- 
-     m_viewportController.didScroll(rect.location());
-     didChangeViewport();
-@@ -327,6 +335,10 @@ void LayerTreeHost::didChangeViewport()
- 
-         if (!view->useFixedLayout())
-             view->notifyScrollPositionChanged(m_lastScrollPosition);
-+// Playwright begin
-+        else
-+            m_viewportController.didScroll(m_lastScrollPosition);
-+// Playwright end
-     }
- 
-     if (m_lastPageScaleFactor != pageScale) {
 diff --git a/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.h b/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.h
-index ea6ae1b9beff5a6bd4cbc7d52bcfa6da71a5b86b..efcdea566c836bcee32ff93546ee8a845dbe176b 100644
+index 1d62e85762b73fa351384ba79ae5f48df02193b3..e8f8c2186a2dd87d01dcff19ebbb0fd74f500fb4 100644
 --- a/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.h
 +++ b/Source/WebKit/WebProcess/WebPage/CoordinatedGraphics/LayerTreeHost.h
-@@ -117,6 +117,13 @@ public:
+@@ -138,6 +138,7 @@ public:
  #if PLATFORM(WPE) && USE(GBM) && ENABLE(WPE_PLATFORM)
      void preferredBufferFormatsDidChange();
  #endif
-+
-+// Playwright begin
-+#if USE(COORDINATED_GRAPHICS)
-+    const SimpleViewportController& viewportController() const { return m_viewportController; }
-+#endif
-+// Playwright end
 +
  private:
- #if USE(COORDINATED_GRAPHICS)
      void layerFlushTimerFired();
+     void flushLayers();
 diff --git a/Source/WebKit/WebProcess/WebPage/DrawingArea.cpp b/Source/WebKit/WebProcess/WebPage/DrawingArea.cpp
-index 98f4dbab8521e1677047713093614d5ff6cb886f..e24a67b67bf9f1af419c98ecfb3e7ae034751c32 100644
+index 428e10e8311dfb3201439688f5ad35a4d609b95c..b03ccee5c7057875092607d01b72265d63a2cfd9 100644
 --- a/Source/WebKit/WebProcess/WebPage/DrawingArea.cpp
 +++ b/Source/WebKit/WebProcess/WebPage/DrawingArea.cpp
 @@ -27,6 +27,7 @@
@@ -21590,10 +21174,10 @@ index 98f4dbab8521e1677047713093614d5ff6cb886f..e24a67b67bf9f1af419c98ecfb3e7ae0
  {
      if (m_hasRemovedMessageReceiver)
 diff --git a/Source/WebKit/WebProcess/WebPage/DrawingArea.h b/Source/WebKit/WebProcess/WebPage/DrawingArea.h
-index c93d6787d88298575059259d2d45826e9d23c44b..3d42c0d9625e6c976f7cacda4bffcdf5c65b7217 100644
+index c641cf97ccc4b954ac699c0b1bdda10444abbe5c..a4f9198d9dd588cc872473b5502405d131bfe6be 100644
 --- a/Source/WebKit/WebProcess/WebPage/DrawingArea.h
 +++ b/Source/WebKit/WebProcess/WebPage/DrawingArea.h
-@@ -165,6 +165,9 @@ public:
+@@ -166,6 +166,9 @@ public:
      virtual bool enterAcceleratedCompositingModeIfNeeded() = 0;
      virtual void backgroundColorDidChange() { };
  #endif
@@ -21604,7 +21188,7 @@ index c93d6787d88298575059259d2d45826e9d23c44b..3d42c0d9625e6c976f7cacda4bffcdf5
  #if PLATFORM(WPE) && USE(GBM) && ENABLE(WPE_PLATFORM)
      virtual void preferredBufferFormatsDidChange() { }
 diff --git a/Source/WebKit/WebProcess/WebPage/WebCookieJar.cpp b/Source/WebKit/WebProcess/WebPage/WebCookieJar.cpp
-index 2a79682f5d837df439d4b18805a695d48341bd56..6423f2a8aa1fe0af5e2a4073f96538fde67b765c 100644
+index a31872554bb37f3335ea48866461107b32556ba3..d7bbe179a3b16db259062eac7cb65de2aac8afa9 100644
 --- a/Source/WebKit/WebProcess/WebPage/WebCookieJar.cpp
 +++ b/Source/WebKit/WebProcess/WebPage/WebCookieJar.cpp
 @@ -44,6 +44,7 @@
@@ -21615,7 +21199,7 @@ index 2a79682f5d837df439d4b18805a695d48341bd56..6423f2a8aa1fe0af5e2a4073f96538fd
  #include <WebCore/ScriptTelemetryCategory.h>
  #include <WebCore/Settings.h>
  #include <WebCore/StorageSessionProvider.h>
-@@ -429,6 +430,12 @@ void WebCookieJar::removeChangeListener(const String& host, const WebCore::Cooki
+@@ -455,6 +456,12 @@ void WebCookieJar::removeChangeListener(const String& host, const WebCore::Cooki
  }
  #endif
  
@@ -21629,10 +21213,10 @@ index 2a79682f5d837df439d4b18805a695d48341bd56..6423f2a8aa1fe0af5e2a4073f96538fd
  
  String WebCookieJar::cookiesInPartitionedCookieStorage(const WebCore::Document&, const URL&, const WebCore::SameSiteInfo&) const
 diff --git a/Source/WebKit/WebProcess/WebPage/WebCookieJar.h b/Source/WebKit/WebProcess/WebPage/WebCookieJar.h
-index a050f15e1a9295ffccb46cb1b4fd801750f8ac33..49e28dceccb19d15149e54913fcc00b0544e9a7a 100644
+index c25dbee9c0202246efaaedd9f3206d246cfc734c..94da3d92a2b6b1ec468c7db3bb19cae79ec29bd6 100644
 --- a/Source/WebKit/WebProcess/WebPage/WebCookieJar.h
 +++ b/Source/WebKit/WebProcess/WebPage/WebCookieJar.h
-@@ -74,6 +74,8 @@ public:
+@@ -75,6 +75,8 @@ public:
  
      void clearCache() final;
  
@@ -21642,10 +21226,10 @@ index a050f15e1a9295ffccb46cb1b4fd801750f8ac33..49e28dceccb19d15149e54913fcc00b0
      WebCookieJar();
  
 diff --git a/Source/WebKit/WebProcess/WebPage/WebPage.cpp b/Source/WebKit/WebProcess/WebPage/WebPage.cpp
-index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c042cb480d 100644
+index a3cef9a9f48791fdd86c039ef76b0a23e1301d8a..9a79ae8681499c0ff76b856add6d5efd084f3b62 100644
 --- a/Source/WebKit/WebProcess/WebPage/WebPage.cpp
 +++ b/Source/WebKit/WebProcess/WebPage/WebPage.cpp
-@@ -236,6 +236,7 @@
+@@ -237,6 +237,7 @@
  #include <WebCore/ImageAnalysisQueue.h>
  #include <WebCore/ImageOverlay.h>
  #include <WebCore/InspectorController.h>
@@ -21653,17 +21237,20 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
  #include <WebCore/JSDOMExceptionHandling.h>
  #include <WebCore/KeyboardEvent.h>
  #include <WebCore/LegacySchemeRegistry.h>
-@@ -1078,6 +1079,9 @@ WebPage::WebPage(PageIdentifier pageID, WebPageCreationParameters&& parameters)
+@@ -1117,6 +1118,12 @@ WebPage::WebPage(PageIdentifier pageID, WebPageCreationParameters&& parameters)
+     setLinkDecorationFilteringData(WTFMove(parameters.linkDecorationFilteringData));
+     setAllowedQueryParametersForAdvancedPrivacyProtections(WTFMove(parameters.allowedQueryParametersForAdvancedPrivacyProtections));
  #endif
- #endif // HAVE(SANDBOX_STATE_FLAGS)
- 
++    // For popup windows WebPage::Show() maybe called in the next lines from the constructor,
++    // at which point the page is not in the WebProcess's map yet and it is not safe to
++    // dispatch nested message loop and receive IPC messages. To mitigate that, the actual
++    // pause is postponed until the page is added to the map.
 +    if (parameters.shouldPauseInInspectorWhenShown)
-+        m_page->inspectorController().pauseWhenShown();
-+
-     updateThrottleState();
- #if ENABLE(ACCESSIBILITY_ANIMATION_CONTROL)
-     updateImageAnimationEnabled();
-@@ -2043,6 +2047,22 @@ void WebPage::loadDidCommitInAnotherProcess(WebCore::FrameIdentifier frameID, st
++        m_page->inspectorController().pauseOnStart(parameters.windowFeatures ? InspectorController::PauseCondition::WHEN_CREATION_FINISHED : InspectorController::PauseCondition::WHEN_SHOWN);
+     if (parameters.windowFeatures) {
+         m_page->applyWindowFeatures(*parameters.windowFeatures);
+         m_page->chrome().show();
+@@ -2074,6 +2081,22 @@ void WebPage::loadDidCommitInAnotherProcess(WebCore::FrameIdentifier frameID, st
      frame->loadDidCommitInAnotherProcess(layerHostingContextIdentifier);
  }
  
@@ -21685,8 +21272,8 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
 +
  void WebPage::loadRequest(LoadParameters&& loadParameters)
  {
-     WEBPAGE_RELEASE_LOG(Loading, "loadRequest: navigationID=%" PRIu64 ", shouldTreatAsContinuingLoad=%u, lastNavigationWasAppInitiated=%d, existingNetworkResourceLoadIdentifierToResume=%" PRIu64, loadParameters.navigationID ? loadParameters.navigationID->toUInt64() : 0, static_cast<unsigned>(loadParameters.shouldTreatAsContinuingLoad), loadParameters.request.isAppInitiated(), valueOrDefault(loadParameters.existingNetworkResourceLoadIdentifierToResume).toUInt64());
-@@ -2238,7 +2258,9 @@ void WebPage::stopLoading()
+     WEBPAGE_RELEASE_LOG(Loading, "loadRequest: navigationID=%" PRIu64 ", shouldTreatAsContinuingLoad=%u, lastNavigationWasAppInitiated=%d, existingNetworkResourceLoadIdentifierToResume=%" PRIu64, loadParameters.navigationID ? loadParameters.navigationID->toUInt64() : 0, static_cast<unsigned>(loadParameters.shouldTreatAsContinuingLoad), loadParameters.request.isAppInitiated(), loadParameters.existingNetworkResourceLoadIdentifierToResume ? loadParameters.existingNetworkResourceLoadIdentifierToResume->toUInt64() : 0);
+@@ -2269,7 +2292,9 @@ void WebPage::stopLoading()
  void WebPage::stopLoadingDueToProcessSwap()
  {
      SetForScope isStoppingLoadingDueToProcessSwap(m_isStoppingLoadingDueToProcessSwap, true);
@@ -21696,90 +21283,31 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
  }
  
  bool WebPage::defersLoading() const
-@@ -2339,17 +2361,14 @@ void WebPage::setSize(const WebCore::IntSize& viewSize)
-     view->resize(viewSize);
-     m_drawingArea->setNeedsDisplay();
- 
--#if USE(COORDINATED_GRAPHICS)
-     if (view->useFixedLayout())
-         sendViewportAttributesChanged(m_page->viewportArguments());
--#endif
- 
- #if ENABLE(ACCESSIBILITY_ISOLATED_TREE)
-     cacheAXSize(m_viewSize);
+@@ -2860,6 +2885,22 @@ void WebPage::viewportPropertiesDidChange(const ViewportArguments& viewportArgum
+ #else
+     UNUSED_PARAM(viewportArguments);
  #endif
- }
- 
--#if USE(COORDINATED_GRAPHICS)
- void WebPage::sendViewportAttributesChanged(const ViewportArguments& viewportArguments)
- {
-     RefPtr localMainFrame = dynamicDowncast<LocalFrame>(m_page->mainFrame());
-@@ -2374,20 +2393,18 @@ void WebPage::sendViewportAttributesChanged(const ViewportArguments& viewportArg
- 
-     ViewportAttributes attr = computeViewportAttributes(viewportArguments, minimumLayoutFallbackWidth, deviceWidth, deviceHeight, 1, m_viewSize);
- 
--    // If no layout was done yet set contentFixedOrigin to (0,0).
--    IntPoint contentFixedOrigin = view->didFirstLayout() ? view->fixedVisibleContentRect().location() : IntPoint();
--
--    // Put the width and height to the viewport width and height. In css units however.
--    // Use FloatSize to avoid truncated values during scale.
--    FloatSize contentFixedSize = m_viewSize;
--
--    contentFixedSize.scale(1 / attr.initialScale);
--    view->setFixedVisibleContentRect(IntRect(contentFixedOrigin, roundedIntSize(contentFixedSize)));
-+#if ENABLE(CSS_DEVICE_ADAPTATION)
-+    FrameView* view = m_page->mainFrame().view();
-+    // CSS viewport descriptors might be applied to already affected viewport size
-+    // if the page enables/disables stylesheets, so need to keep initial viewport size.
-+    view->setInitialViewportSize(roundedIntSize(m_viewSize));
-+#endif
- 
-     attr.initialScale = m_page->viewportArguments().zoom; // Resets auto (-1) if no value was set by user.
- 
-     // This also takes care of the relayout.
-     setFixedLayoutSize(roundedIntSize(attr.layoutSize));
-+    scaleView(deviceWidth / attr.layoutSize.width());
- 
- #if USE(COORDINATED_GRAPHICS)
-     m_drawingArea->didChangeViewportAttributes(WTFMove(attr));
-@@ -2395,7 +2412,6 @@ void WebPage::sendViewportAttributesChanged(const ViewportArguments& viewportArg
-     send(Messages::WebPageProxy::DidChangeViewportProperties(attr));
- #endif
- }
--#endif
- 
- void WebPage::drawRect(GraphicsContext& graphicsContext, const IntRect& rect)
- {
-@@ -2686,6 +2702,7 @@ void WebPage::scaleView(double scale)
-     }
- 
-     m_page->setViewScaleFactor(scale);
-+    send(Messages::WebPageProxy::ViewScaleFactorDidChange(scale));
-     scalePage(pageScale, scrollPositionAtNewScale);
- }
- 
-@@ -2865,18 +2882,14 @@ void WebPage::viewportPropertiesDidChange(const ViewportArguments& viewportArgum
-         viewportConfigurationChanged();
- #endif
- 
--#if USE(COORDINATED_GRAPHICS)
-     RefPtr localMainFrame = dynamicDowncast<LocalFrame>(m_page->mainFrame());
-     RefPtr view = localMainFrame ? localMainFrame->view() : nullptr;
-     if (view && view->useFixedLayout())
-         sendViewportAttributesChanged(viewportArguments);
-+#if USE(COORDINATED_GRAPHICS)
-     else
-         m_drawingArea->didChangeViewportAttributes(ViewportAttributes());
- #endif
--
--#if !PLATFORM(IOS_FAMILY) && !USE(COORDINATED_GRAPHICS)
--    UNUSED_PARAM(viewportArguments);
--#endif
++
++    // Playwright begin
++    RefPtr localMainFrame = dynamicDowncast<LocalFrame>(m_page->mainFrame());
++    RefPtr view = localMainFrame ? localMainFrame->view() : nullptr;
++    if (view && view->useFixedLayout()) {
++        if (m_viewSize.isEmpty())
++            return;
++        Settings& settings = m_page->settings();
++        int deviceWidth = (settings.deviceWidth() > 0) ? settings.deviceWidth() : m_viewSize.width();
++        int deviceHeight = (settings.deviceHeight() > 0) ? settings.deviceHeight() : m_viewSize.height();
++        int minimumLayoutFallbackWidth = std::max<int>(settings.layoutFallbackWidth(), m_viewSize.width());
++        ViewportAttributes attr = computeViewportAttributes(viewportArguments, minimumLayoutFallbackWidth, deviceWidth, deviceHeight, 1, m_viewSize);
++        setFixedLayoutSize(roundedIntSize(attr.layoutSize));
++        scaleView(deviceWidth / attr.layoutSize.width());
++    }
++    // Playwright end
  }
  
  #if !PLATFORM(IOS_FAMILY)
-@@ -3594,6 +3607,13 @@ void WebPage::setLastKnownMousePosition(WebCore::FrameIdentifier frameID, IntPoi
-     frame->coreLocalFrame()->eventHandler().setLastKnownMousePosition(eventPoint, globalPoint);
+@@ -3617,6 +3658,13 @@ void WebPage::flushDeferredScrollEvents()
+     corePage()->flushDeferredScrollEvents();
  }
  
 +#if ENABLE(ORIENTATION_EVENTS)
@@ -21792,7 +21320,7 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
  void WebPage::flushDeferredDidReceiveMouseEvent()
  {
      if (auto info = std::exchange(m_deferredDidReceiveMouseEvent, std::nullopt))
-@@ -3878,6 +3898,97 @@ void WebPage::touchEvent(const WebTouchEvent& touchEvent, CompletionHandler<void
+@@ -3876,6 +3924,97 @@ void WebPage::touchEvent(const WebTouchEvent& touchEvent, CompletionHandler<void
  
      completionHandler(touchEvent.type(), handled);
  }
@@ -21890,7 +21418,7 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
  #endif
  
  void WebPage::cancelPointer(WebCore::PointerID pointerId, const WebCore::IntPoint& documentPoint)
-@@ -3966,6 +4077,11 @@ void WebPage::sendMessageToTargetBackend(const String& targetId, const String& m
+@@ -3964,6 +4103,16 @@ void WebPage::sendMessageToTargetBackend(const String& targetId, const String& m
      m_inspectorTargetController->sendMessageToTargetBackend(targetId, message);
  }
  
@@ -21898,19 +21426,24 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
 +{
 +    m_page->inspectorController().resumeIfPausedInNewWindow();
 +}
++
++void WebPage::didAddWebPageToWebProcess()
++{
++    m_page->inspectorController().didFinishPageCreation();
++}
 +
  void WebPage::insertNewlineInQuotedContent()
  {
      RefPtr frame = m_page->checkedFocusController()->focusedOrMainFrame();
-@@ -4206,6 +4322,7 @@ void WebPage::didCompletePageTransition()
+@@ -4205,6 +4354,7 @@ void WebPage::didCompletePageTransition()
  void WebPage::show()
  {
      send(Messages::WebPageProxy::ShowPage());
-+    m_page->inspectorController().didShowNewWindow();
++    m_page->inspectorController().didShowPage();
  }
  
  void WebPage::setIsTakingSnapshotsForApplicationSuspension(bool isTakingSnapshotsForApplicationSuspension)
-@@ -5364,7 +5481,7 @@ NotificationPermissionRequestManager* WebPage::notificationPermissionRequestMana
+@@ -5365,7 +5515,7 @@ NotificationPermissionRequestManager* WebPage::notificationPermissionRequestMana
  
  #if ENABLE(DRAG_SUPPORT)
  
@@ -21919,7 +21452,7 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
  void WebPage::performDragControllerAction(DragControllerAction action, const IntPoint& clientPosition, const IntPoint& globalPosition, OptionSet<DragOperation> draggingSourceOperationMask, SelectionData&& selectionData, OptionSet<DragApplicationFlags> flags, CompletionHandler<void(std::optional<DragOperation>, DragHandlingMethod, bool, unsigned, IntRect, IntRect, std::optional<RemoteUserInputEventData>)>&& completionHandler)
  {
      if (!m_page)
-@@ -7764,6 +7881,10 @@ void WebPage::didCommitLoad(WebFrame* frame)
+@@ -7788,6 +7938,10 @@ void WebPage::didCommitLoad(WebFrame* frame)
  #endif
  
      flushDeferredDidReceiveMouseEvent();
@@ -21930,7 +21463,7 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
  }
  
  void WebPage::didFinishDocumentLoad(WebFrame& frame)
-@@ -8047,6 +8168,9 @@ Ref<DocumentLoader> WebPage::createDocumentLoader(LocalFrame& frame, const Resou
+@@ -8090,6 +8244,9 @@ Ref<DocumentLoader> WebPage::createDocumentLoader(LocalFrame& frame, const Resou
              WebsitePoliciesData::applyToDocumentLoader(WTFMove(*m_pendingWebsitePolicies), documentLoader);
              m_pendingWebsitePolicies = std::nullopt;
          }
@@ -21941,10 +21474,10 @@ index f37c00d9bdbdc7754ce8bd75c1be645617a3e019..9242983dfaccb87fb55e8126a1c903c0
  
      return documentLoader;
 diff --git a/Source/WebKit/WebProcess/WebPage/WebPage.h b/Source/WebKit/WebProcess/WebPage/WebPage.h
-index dfee35656503c64f8f31ab52756aefdeef38b676..bd0d0408d17d0f4c1ff9352866e80c1ce27a19cd 100644
+index 06525fa5fec204ac72bb3c2f4b7f37d83ab17105..ef1ed29cb9d74b7f4293ed3f498d13a8a343ffd6 100644
 --- a/Source/WebKit/WebProcess/WebPage/WebPage.h
 +++ b/Source/WebKit/WebProcess/WebPage/WebPage.h
-@@ -71,6 +71,7 @@
+@@ -65,6 +65,7 @@
  #include <WebCore/MediaKeySystemRequest.h>
  #include <WebCore/NowPlayingMetadataObserver.h>
  #include <WebCore/OwnerPermissionsPolicyData.h>
@@ -21952,7 +21485,7 @@ index dfee35656503c64f8f31ab52756aefdeef38b676..bd0d0408d17d0f4c1ff9352866e80c1c
  #include <WebCore/PageIdentifier.h>
  #include <WebCore/PageOverlay.h>
  #include <WebCore/PlatformLayerIdentifier.h>
-@@ -1178,11 +1179,11 @@ public:
+@@ -1234,11 +1235,11 @@ public:
      void clearSelection();
      void restoreSelectionInFocusedEditableElement();
  
@@ -21964,9 +21497,9 @@ index dfee35656503c64f8f31ab52756aefdeef38b676..bd0d0408d17d0f4c1ff9352866e80c1c
 -#if ENABLE(DRAG_SUPPORT) && !PLATFORM(GTK)
 +#if ENABLE(DRAG_SUPPORT) && !PLATFORM(GTK) && !PLATFORM(WPE)
      void performDragControllerAction(std::optional<WebCore::FrameIdentifier>, DragControllerAction, WebCore::DragData&&, CompletionHandler<void(std::optional<WebCore::DragOperation>, WebCore::DragHandlingMethod, bool, unsigned, WebCore::IntRect, WebCore::IntRect, std::optional<WebCore::RemoteUserInputEventData>)>&&);
-     void performDragOperation(WebCore::DragData&&, SandboxExtension::Handle&&, Vector<SandboxExtension::Handle>&&, CompletionHandler<void(bool)>&&);
+     void performDragOperation(WebCore::DragData&&, SandboxExtensionHandle&&, Vector<SandboxExtensionHandle>&&, CompletionHandler<void(bool)>&&);
  #endif
-@@ -1197,6 +1198,9 @@ public:
+@@ -1253,6 +1254,9 @@ public:
      void didStartDrag();
      void dragCancelled();
      OptionSet<WebCore::DragSourceAction> allowedDragSourceActions() const { return m_allowedDragSourceActions; }
@@ -21976,8 +21509,8 @@ index dfee35656503c64f8f31ab52756aefdeef38b676..bd0d0408d17d0f4c1ff9352866e80c1c
  #endif
  
      void beginPrinting(WebCore::FrameIdentifier, const PrintInfo&);
-@@ -1272,8 +1276,11 @@ public:
-     void gestureEvent(WebCore::FrameIdentifier, const WebGestureEvent&, CompletionHandler<void(std::optional<WebEventType>, bool, std::optional<WebCore::RemoteUserInputEventData>)>&&);
+@@ -1328,8 +1332,11 @@ public:
+     void gestureEvent(WebCore::FrameIdentifier, const WebGestureEvent&);
  #endif
  
 -#if PLATFORM(IOS_FAMILY)
@@ -21989,23 +21522,24 @@ index dfee35656503c64f8f31ab52756aefdeef38b676..bd0d0408d17d0f4c1ff9352866e80c1c
      void dynamicViewportSizeUpdate(const DynamicViewportSizeUpdate&);
      bool scaleWasSetByUIProcess() const { return m_scaleWasSetByUIProcess; }
      void willStartUserTriggeredZooming();
-@@ -1423,6 +1430,7 @@ public:
+@@ -1479,6 +1486,8 @@ public:
      void connectInspector(const String& targetId, Inspector::FrontendChannel::ConnectionType);
      void disconnectInspector(const String& targetId);
      void sendMessageToTargetBackend(const String& targetId, const String& message);
 +    void resumeInspectorIfPausedInNewWindow();
++    void didAddWebPageToWebProcess();
  
      void insertNewlineInQuotedContent();
  
-@@ -1940,6 +1948,7 @@ private:
-     void createProvisionalFrame(ProvisionalFrameCreationParameters&&, WebCore::FrameIdentifier);
-     void destroyProvisionalFrame(WebCore::FrameIdentifier);
-     void loadDidCommitInAnotherProcess(WebCore::FrameIdentifier, std::optional<WebCore::LayerHostingContextIdentifier>);
-+    void loadRequestInFrameForInspector(LoadParameters&&, WebCore::FrameIdentifier);
+@@ -1889,6 +1898,7 @@ public:
+     void showContextMenuFromFrame(const WebCore::FrameIdentifier&, const ContextMenuContextData&, const UserData&);
+ #endif
      void loadRequest(LoadParameters&&);
-     [[noreturn]] void loadRequestWaitingForProcessLaunch(LoadParameters&&, URL&&, WebPageProxyIdentifier, bool);
-     void loadData(LoadParameters&&);
-@@ -1981,6 +1990,7 @@ private:
++    void loadRequestInFrameForInspector(LoadParameters&&, WebCore::FrameIdentifier);
+ 
+     void setTopContentInset(float);
+ 
+@@ -2065,6 +2075,7 @@ private:
      void updatePotentialTapSecurityOrigin(const WebTouchEvent&, bool wasHandled);
  #elif ENABLE(TOUCH_EVENTS)
      void touchEvent(const WebTouchEvent&, CompletionHandler<void(std::optional<WebEventType>, bool)>&&);
@@ -22013,17 +21547,7 @@ index dfee35656503c64f8f31ab52756aefdeef38b676..bd0d0408d17d0f4c1ff9352866e80c1c
  #endif
  
      void cancelPointer(WebCore::PointerID, const WebCore::IntPoint&);
-@@ -2126,9 +2136,7 @@ private:
-     void addLayerForFindOverlay(CompletionHandler<void(std::optional<WebCore::PlatformLayerIdentifier>)>&&);
-     void removeLayerForFindOverlay(CompletionHandler<void()>&&);
- 
--#if USE(COORDINATED_GRAPHICS)
-     void sendViewportAttributesChanged(const WebCore::ViewportArguments&);
--#endif
- 
-     void didChangeSelectedIndexForActivePopupMenu(int32_t newIndex);
-     void setTextForActivePopupMenu(int32_t index);
-@@ -2732,6 +2740,7 @@ private:
+@@ -2829,6 +2840,7 @@ private:
      UserActivity m_userActivity;
  
      Markable<WebCore::NavigationIdentifier> m_pendingNavigationID;
@@ -22032,7 +21556,7 @@ index dfee35656503c64f8f31ab52756aefdeef38b676..bd0d0408d17d0f4c1ff9352866e80c1c
  
      bool m_mainFrameProgressCompleted { false };
 diff --git a/Source/WebKit/WebProcess/WebPage/WebPage.messages.in b/Source/WebKit/WebProcess/WebPage/WebPage.messages.in
-index fbfdfdff9c550c9becb8ed9243755926450a9566..61d5056d4ef7d079cfdabc6d31c5a31e58cac907 100644
+index 5840247c1e8c94462c5106d385a7674ff023dbf3..02147c2cf05c35fdef280b08bceee1bd35cda79d 100644
 --- a/Source/WebKit/WebProcess/WebPage/WebPage.messages.in
 +++ b/Source/WebKit/WebProcess/WebPage/WebPage.messages.in
 @@ -53,10 +53,13 @@ messages -> WebPage WantsAsyncDispatchMessage {
@@ -22050,7 +21574,7 @@ index fbfdfdff9c550c9becb8ed9243755926450a9566..61d5056d4ef7d079cfdabc6d31c5a31e
      SetOverrideViewportArguments(std::optional<WebCore::ViewportArguments> arguments)
      DynamicViewportSizeUpdate(struct WebKit::DynamicViewportSizeUpdate target)
      
-@@ -146,6 +149,7 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
+@@ -147,6 +150,7 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
      ConnectInspector(String targetId, Inspector::FrontendChannel::ConnectionType connectionType)
      DisconnectInspector(String targetId)
      SendMessageToTargetBackend(String targetId, String message)
@@ -22058,7 +21582,7 @@ index fbfdfdff9c550c9becb8ed9243755926450a9566..61d5056d4ef7d079cfdabc6d31c5a31e
  
  #if ENABLE(REMOTE_INSPECTOR)
      SetIndicating(bool indicating);
-@@ -156,6 +160,7 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
+@@ -157,6 +161,7 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
  #endif
  #if !ENABLE(IOS_TOUCH_EVENTS) && ENABLE(TOUCH_EVENTS)
      TouchEvent(WebKit::WebTouchEvent event) -> (std::optional<WebKit::WebEventType> eventType, bool handled)
@@ -22066,7 +21590,7 @@ index fbfdfdff9c550c9becb8ed9243755926450a9566..61d5056d4ef7d079cfdabc6d31c5a31e
  #endif
  
      CancelPointer(WebCore::PointerID pointerId, WebCore::IntPoint documentPoint)
-@@ -189,6 +194,7 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
+@@ -190,6 +195,7 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
      CreateProvisionalFrame(struct WebKit::ProvisionalFrameCreationParameters creationParameters, WebCore::FrameIdentifier frameID)
      DestroyProvisionalFrame(WebCore::FrameIdentifier frameID);
      LoadDidCommitInAnotherProcess(WebCore::FrameIdentifier frameID, std::optional<WebCore::LayerHostingContextIdentifier> layerHostingContextIdentifier)
@@ -22074,7 +21598,7 @@ index fbfdfdff9c550c9becb8ed9243755926450a9566..61d5056d4ef7d079cfdabc6d31c5a31e
      LoadRequestWaitingForProcessLaunch(struct WebKit::LoadParameters loadParameters, URL resourceDirectoryURL, WebKit::WebPageProxyIdentifier pageID, bool checkAssumedReadAccessToResourceURL)
      LoadData(struct WebKit::LoadParameters loadParameters)
      LoadSimulatedRequestAndResponse(struct WebKit::LoadParameters loadParameters, WebCore::ResourceResponse simulatedResponse)
-@@ -354,10 +360,10 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
+@@ -355,10 +361,10 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
      RemoveLayerForFindOverlay() -> ()
  
      # Drag and drop.
@@ -22087,7 +21611,7 @@ index fbfdfdff9c550c9becb8ed9243755926450a9566..61d5056d4ef7d079cfdabc6d31c5a31e
      PerformDragControllerAction(std::optional<WebCore::FrameIdentifier> frameID, enum:uint8_t WebKit::DragControllerAction action, WebCore::DragData dragData) -> (std::optional<WebCore::DragOperation> dragOperation, enum:uint8_t WebCore::DragHandlingMethod dragHandlingMethod, bool mouseIsOverFileInput, unsigned numberOfItemsToBeAccepted, WebCore::IntRect insertionRect, WebCore::IntRect editableElementRect, struct std::optional<WebCore::RemoteUserInputEventData> remoteUserInputEventData)
      PerformDragOperation(WebCore::DragData dragData, WebKit::SandboxExtensionHandle sandboxExtensionHandle, Vector<WebKit::SandboxExtensionHandle> sandboxExtensionsForUpload) -> (bool handled)
  #endif
-@@ -367,6 +373,10 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
+@@ -368,6 +374,10 @@ GenerateSyntheticEditingCommand(enum:uint8_t WebKit::SyntheticEditingCommandType
      DragCancelled()
  #endif
  
@@ -22099,10 +21623,10 @@ index fbfdfdff9c550c9becb8ed9243755926450a9566..61d5056d4ef7d079cfdabc6d31c5a31e
      RequestDragStart(WebCore::IntPoint clientPosition, WebCore::IntPoint globalPosition, OptionSet<WebCore::DragSourceAction> allowedActionsMask)
      RequestAdditionalItemsForDragSession(WebCore::IntPoint clientPosition, WebCore::IntPoint globalPosition, OptionSet<WebCore::DragSourceAction> allowedActionsMask)
 diff --git a/Source/WebKit/WebProcess/WebPage/mac/WebPageMac.mm b/Source/WebKit/WebProcess/WebPage/mac/WebPageMac.mm
-index 51c574b2a235066fae685d32f10d06b4a5ae824f..6993e6d3e2e886dc97c0614841dd827655253c42 100644
+index 6aac070297286654160c9cc5a5cf7de58dd1db87..4eddcc5c72784ca51ea87f2a9abb2504edfdbca7 100644
 --- a/Source/WebKit/WebProcess/WebPage/mac/WebPageMac.mm
 +++ b/Source/WebKit/WebProcess/WebPage/mac/WebPageMac.mm
-@@ -803,21 +803,37 @@ String WebPage::platformUserAgent(const URL&) const
+@@ -800,21 +800,37 @@ String WebPage::platformUserAgent(const URL&) const
  
  bool WebPage::hoverSupportedByPrimaryPointingDevice() const
  {
@@ -22191,10 +21715,10 @@ index f17f5d719d892309ed9c7093384945866b5117b9..1dba47bbf0dbd0362548423a74b38034
  }
  
 diff --git a/Source/WebKit/WebProcess/WebProcess.cpp b/Source/WebKit/WebProcess/WebProcess.cpp
-index 095d4e45286cf0c9ffd5fc35c0de32bd0126b53b..4cf1db20e4c51777a443d3109227b7e4155a8145 100644
+index 94ec05dfede5cdb951323424a7776048ceb20921..4982962fd12f9bab1df21f855289b110b9aa8511 100644
 --- a/Source/WebKit/WebProcess/WebProcess.cpp
 +++ b/Source/WebKit/WebProcess/WebProcess.cpp
-@@ -89,6 +89,7 @@
+@@ -90,6 +90,7 @@
  #include "WebsiteData.h"
  #include "WebsiteDataStoreParameters.h"
  #include "WebsiteDataType.h"
@@ -22202,7 +21726,7 @@ index 095d4e45286cf0c9ffd5fc35c0de32bd0126b53b..4cf1db20e4c51777a443d3109227b7e4
  #include <JavaScriptCore/JSLock.h>
  #include <JavaScriptCore/MemoryStatistics.h>
  #include <JavaScriptCore/WasmFaultSignalHandler.h>
-@@ -367,6 +368,14 @@ void WebProcess::initializeProcess(const AuxiliaryProcessInitializationParameter
+@@ -370,6 +371,14 @@ void WebProcess::initializeProcess(const AuxiliaryProcessInitializationParameter
      {
          JSC::Options::AllowUnfinalizedAccessScope scope;
          JSC::Options::allowNonSPTagging() = false;
@@ -22217,7 +21741,7 @@ index 095d4e45286cf0c9ffd5fc35c0de32bd0126b53b..4cf1db20e4c51777a443d3109227b7e4
          JSC::Options::notifyOptionsChanged();
      }
  
-@@ -374,6 +383,8 @@ void WebProcess::initializeProcess(const AuxiliaryProcessInitializationParameter
+@@ -377,6 +386,8 @@ void WebProcess::initializeProcess(const AuxiliaryProcessInitializationParameter
      
      platformInitializeProcess(parameters);
      updateCPULimit();
@@ -22226,8 +21750,16 @@ index 095d4e45286cf0c9ffd5fc35c0de32bd0126b53b..4cf1db20e4c51777a443d3109227b7e4
  }
  
  void WebProcess::initializeConnection(IPC::Connection* connection)
+@@ -931,6 +942,7 @@ void WebProcess::createWebPage(PageIdentifier pageID, WebPageCreationParameters&
+         accessibilityRelayProcessSuspended(false);
+     }
+     ASSERT(result.iterator->value);
++    result.iterator->value->didAddWebPageToWebProcess();
+ }
+ 
+ void WebProcess::removeWebPage(PageIdentifier pageID)
 diff --git a/Source/WebKitLegacy/mac/WebView/WebHTMLView.mm b/Source/WebKitLegacy/mac/WebView/WebHTMLView.mm
-index d694170887445e2eed73340666bc4847aef4f9a6..6ced22d0953a39582285201e0946d68f954644ad 100644
+index 64e9b56bbc644c8ed1583cdbf41878738860292d..fe83a85ccf53ee33f5a6a7461b40078d77928b61 100644
 --- a/Source/WebKitLegacy/mac/WebView/WebHTMLView.mm
 +++ b/Source/WebKitLegacy/mac/WebView/WebHTMLView.mm
 @@ -4223,7 +4223,7 @@ ALLOW_DEPRECATED_DECLARATIONS_END
@@ -22240,10 +21772,10 @@ index d694170887445e2eed73340666bc4847aef4f9a6..6ced22d0953a39582285201e0946d68f
  - (void)touch:(WebEvent *)event
  {
 diff --git a/Source/WebKitLegacy/mac/WebView/WebView.mm b/Source/WebKitLegacy/mac/WebView/WebView.mm
-index 016c97818b87a5205b1eebce2350c2d7bfb02975..4fe0109484f571bf1cfe53afb57bdf69a4fb295c 100644
+index e1ecaa50847e76f2a02c62f5534a2e07f3df4fcd..2e79ce45b739517a03a464f223850aa0690d56d3 100644
 --- a/Source/WebKitLegacy/mac/WebView/WebView.mm
 +++ b/Source/WebKitLegacy/mac/WebView/WebView.mm
-@@ -3983,7 +3983,7 @@ + (void)_doNotStartObservingNetworkReachability
+@@ -3986,7 +3986,7 @@ + (void)_doNotStartObservingNetworkReachability
  }
  #endif // PLATFORM(IOS_FAMILY)
  
@@ -22252,7 +21784,7 @@ index 016c97818b87a5205b1eebce2350c2d7bfb02975..4fe0109484f571bf1cfe53afb57bdf69
  
  - (NSArray *)_touchEventRegions
  {
-@@ -4025,7 +4025,7 @@ - (NSArray *)_touchEventRegions
+@@ -4028,7 +4028,7 @@ - (NSArray *)_touchEventRegions
      }).autorelease();
  }
  
@@ -22293,10 +21825,10 @@ index 0000000000000000000000000000000000000000..dd6a53e2d57318489b7e49dd7373706d
 +    LIBVPX_LIBRARIES
 +)
 diff --git a/Source/cmake/OptionsGTK.cmake b/Source/cmake/OptionsGTK.cmake
-index 4785f6f0c833e7fe5f9cefd586364ccebf41ec32..e77686f25ea59b03c68de4178532496d97898d46 100644
+index 55aa3aea78f8286b04421f052f9e422e05f676a0..98ffe458294436b4c9224c412275e32fb61cd4ae 100644
 --- a/Source/cmake/OptionsGTK.cmake
 +++ b/Source/cmake/OptionsGTK.cmake
-@@ -7,6 +7,9 @@ SET_PROJECT_VERSION(2 47 0)
+@@ -7,6 +7,9 @@ SET_PROJECT_VERSION(2 47 2)
  
  set(USER_AGENT_BRANDING "" CACHE STRING "Branding to add to user agent string")
  
@@ -22317,7 +21849,7 @@ index 4785f6f0c833e7fe5f9cefd586364ccebf41ec32..e77686f25ea59b03c68de4178532496d
  include(GStreamerDefinitions)
  include(FindGLibCompileResources)
  
-@@ -64,6 +71,10 @@ WEBKIT_OPTION_DEFINE(USE_SYSTEM_UNIFDEF "Whether to use a system-provided unifde
+@@ -67,6 +74,10 @@ WEBKIT_OPTION_DEFINE(USE_SYSTEM_UNIFDEF "Whether to use a system-provided unifde
  
  WEBKIT_OPTION_DEPEND(USE_SYSTEM_SYSPROF_CAPTURE USE_SYSPROF_CAPTURE)
  
@@ -22328,7 +21860,7 @@ index 4785f6f0c833e7fe5f9cefd586364ccebf41ec32..e77686f25ea59b03c68de4178532496d
  SET_AND_EXPOSE_TO_BUILD(ENABLE_DEVELOPER_MODE ${DEVELOPER_MODE})
  if (DEVELOPER_MODE)
      WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_API_TESTS PRIVATE ON)
-@@ -148,6 +159,20 @@ endif ()
+@@ -153,6 +164,20 @@ endif ()
  
  WEBKIT_OPTION_DEPEND(ENABLE_GPU_PROCESS USE_GBM)
  
@@ -22349,22 +21881,8 @@ index 4785f6f0c833e7fe5f9cefd586364ccebf41ec32..e77686f25ea59b03c68de4178532496d
  include(GStreamerDependencies)
  
  # Finalize the value for all options. Do not attempt to use an option before
-diff --git a/Source/cmake/OptionsMSVC.cmake b/Source/cmake/OptionsMSVC.cmake
-index 5828bf9ef028ea200a73f973937d610a8771f85f..27f9a084eb0eecd67287c14dc4c363d3042cf965 100644
---- a/Source/cmake/OptionsMSVC.cmake
-+++ b/Source/cmake/OptionsMSVC.cmake
-@@ -45,6 +45,9 @@ string(REGEX REPLACE "/W3" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
- string(REGEX REPLACE "/W3" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
- WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(/W4)
- 
-+# Not apply class-level dllexport and dllimport attributes to inline member functions
-+WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(/Zc:dllexportInlines-)
-+
- # Make sure incremental linking is turned off, as it creates unacceptably long link times.
- string(REPLACE "/INCREMENTAL[:A-Z]+" "" CMAKE_EXE_LINKER_FLAGS ${CMAKE_EXE_LINKER_FLAGS})
- string(REPLACE "/INCREMENTAL[:A-Z]+" "" CMAKE_EXE_LINKER_FLAGS_DEBUG ${CMAKE_EXE_LINKER_FLAGS_DEBUG})
 diff --git a/Source/cmake/OptionsWPE.cmake b/Source/cmake/OptionsWPE.cmake
-index fc5429ddf2701ba46e4283a40392903b45400d1f..2c3aebacb3b12dad50d70aed66dc3ba25d91ba29 100644
+index 18252cd9598ad7554ece3a8a3f02435aa75e7737..311430134a2f44deaaf19e40b0f7ab393c898ccb 100644
 --- a/Source/cmake/OptionsWPE.cmake
 +++ b/Source/cmake/OptionsWPE.cmake
 @@ -21,6 +21,9 @@ find_package(WebP REQUIRED COMPONENTS demux)
@@ -22377,11 +21895,12 @@ index fc5429ddf2701ba46e4283a40392903b45400d1f..2c3aebacb3b12dad50d70aed66dc3ba2
  WEBKIT_OPTION_BEGIN()
  
  SET_AND_EXPOSE_TO_BUILD(ENABLE_DEVELOPER_MODE ${DEVELOPER_MODE})
-@@ -83,6 +86,28 @@ if (WPE_VERSION VERSION_GREATER_EQUAL 1.13.90)
+@@ -83,6 +86,29 @@ if (WPE_VERSION VERSION_GREATER_EQUAL 1.13.90)
      WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_GAMEPAD PUBLIC ON)
  endif ()
  
 +# Playwright begin.
++WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_MINIBROWSER PUBLIC ON)
 +WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_PDFJS PUBLIC OFF)
 +WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_MEDIA_RECORDER PRIVATE OFF)
 +WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_THUNDER PRIVATE OFF)
@@ -22406,8 +21925,8 @@ index fc5429ddf2701ba46e4283a40392903b45400d1f..2c3aebacb3b12dad50d70aed66dc3ba2
  # Public options specific to the WPE port. Do not add any options here unless
  # there is a strong reason we should support changing the value of the option,
  # and the option is not relevant to other WebKit ports.
-@@ -112,6 +137,11 @@ WEBKIT_OPTION_CONFLICT(ENABLE_WPE_PLATFORM ENABLE_WPE_1_1_API)
- WEBKIT_OPTION_DEPEND(ENABLE_DOCUMENTATION ENABLE_INTROSPECTION)
+@@ -116,6 +142,11 @@ WEBKIT_OPTION_DEPEND(ENABLE_DOCUMENTATION ENABLE_INTROSPECTION)
+ WEBKIT_OPTION_DEPEND(USE_QT6 ENABLE_WPE_PLATFORM)
  WEBKIT_OPTION_DEPEND(USE_SYSTEM_SYSPROF_CAPTURE USE_SYSPROF_CAPTURE)
  
 +# Playwright begin.
@@ -22419,10 +21938,10 @@ index fc5429ddf2701ba46e4283a40392903b45400d1f..2c3aebacb3b12dad50d70aed66dc3ba2
      WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_BUBBLEWRAP_SANDBOX PUBLIC ON)
      WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_MEMORY_SAMPLER PRIVATE ON)
 diff --git a/Source/cmake/OptionsWin.cmake b/Source/cmake/OptionsWin.cmake
-index a09700bfc69078e82e426ea5cd13fd3d8e84d3ec..52055ce7362d4283a333e5a50f73a12c9b2fa5e2 100644
+index a61f5b5b7c2a193365eadc1996179e2b6f845c0f..94d6772b86429ef5c66f7b7f69fa04bbfc20eebe 100644
 --- a/Source/cmake/OptionsWin.cmake
 +++ b/Source/cmake/OptionsWin.cmake
-@@ -71,6 +71,27 @@ find_package(ZLIB 1.2.11 REQUIRED)
+@@ -76,6 +76,27 @@ find_package(ZLIB 1.2.11 REQUIRED)
  find_package(LibPSL 0.20.2 REQUIRED)
  find_package(WebP REQUIRED COMPONENTS demux)
  
@@ -22450,7 +21969,7 @@ index a09700bfc69078e82e426ea5cd13fd3d8e84d3ec..52055ce7362d4283a333e5a50f73a12c
  WEBKIT_OPTION_BEGIN()
  
  # FIXME: Most of these options should not be public.
-@@ -136,6 +157,14 @@ WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FTPDIR PRIVATE OFF)
+@@ -141,6 +162,14 @@ WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FTPDIR PRIVATE OFF)
  SET_AND_EXPOSE_TO_BUILD(ENABLE_WEBDRIVER_KEYBOARD_INTERACTIONS ON)
  SET_AND_EXPOSE_TO_BUILD(ENABLE_WEBDRIVER_MOUSE_INTERACTIONS ON)
  
@@ -22466,7 +21985,7 @@ index a09700bfc69078e82e426ea5cd13fd3d8e84d3ec..52055ce7362d4283a333e5a50f73a12c
  
  set(USE_ANGLE_EGL ON)
 diff --git a/Source/cmake/WebKitCompilerFlags.cmake b/Source/cmake/WebKitCompilerFlags.cmake
-index c3c683b650cbbbc882aad6d7f2202abe367af7f6..c3447733a57a09089f178f1c7c7763816252e94c 100644
+index 4882f3de3d9cb011a666563f0bc0e142a705518f..d3f674bf78792088a60a631c245a1fa86dca4d53 100644
 --- a/Source/cmake/WebKitCompilerFlags.cmake
 +++ b/Source/cmake/WebKitCompilerFlags.cmake
 @@ -122,7 +122,7 @@ macro(WEBKIT_ADD_TARGET_CXX_FLAGS _target)
@@ -22493,10 +22012,10 @@ index 576835410df6deac60f0158f1d2d1ef1e5f4c78d..9b492cfe5fef8de340a80f2af70a7d68
  WEB_PREFERENCES_GENERATED_FILES = \
      TestOptionsGeneratedWebKitLegacyKeyMapping.cpp \
 diff --git a/Tools/MiniBrowser/gtk/BrowserTab.c b/Tools/MiniBrowser/gtk/BrowserTab.c
-index 6e6c4a5abecb12c6b30e90a93c539b9b9ff27e04..851b4b9ef8da2d4277313503734138f73cdba292 100644
+index 6d48c378699e87f55bbd2550d4971a295b831a24..efb0d8e1e0f7db5d4ce81bc58a97e6c4034ff0b3 100644
 --- a/Tools/MiniBrowser/gtk/BrowserTab.c
 +++ b/Tools/MiniBrowser/gtk/BrowserTab.c
-@@ -117,19 +117,34 @@ static void isLoadingChanged(WebKitWebView *webView, GParamSpec *paramSpec, Brow
+@@ -117,19 +117,38 @@ static void isLoadingChanged(WebKitWebView *webView, GParamSpec *paramSpec, Brow
      }
  }
  
@@ -22504,7 +22023,11 @@ index 6e6c4a5abecb12c6b30e90a93c539b9b9ff27e04..851b4b9ef8da2d4277313503734138f7
 +{
 +    if (webkit_response_policy_decision_is_mime_type_supported(responseDecision))
 +        return TRUE;
-+    const gchar* mimeType = webkit_uri_response_get_mime_type(webkit_response_policy_decision_get_response(responseDecision));
++    WebKitURIResponse* response = webkit_response_policy_decision_get_response(responseDecision);
++    const guint statusCode = webkit_uri_response_get_status_code(response);
++    if (statusCode == 205 || statusCode == 204)
++        return TRUE;
++    const gchar* mimeType = webkit_uri_response_get_mime_type(response);
 +    if (!mimeType || mimeType[0] == '\0')
 +        return FALSE;
 +    // https://bugs.webkit.org/show_bug.cgi?id=277204 / Ubuntu 24.04 / glib 2.76+ or higher
@@ -22535,7 +22058,7 @@ index 6e6c4a5abecb12c6b30e90a93c539b9b9ff27e04..851b4b9ef8da2d4277313503734138f7
      return TRUE;
  }
  
-@@ -180,6 +195,11 @@ static void loadChanged(WebKitWebView *webView, WebKitLoadEvent loadEvent, Brows
+@@ -180,6 +199,11 @@ static void loadChanged(WebKitWebView *webView, WebKitLoadEvent loadEvent, Brows
  #endif
  }
  
@@ -22547,7 +22070,7 @@ index 6e6c4a5abecb12c6b30e90a93c539b9b9ff27e04..851b4b9ef8da2d4277313503734138f7
  static GtkWidget *createInfoBarQuestionMessage(const char *title, const char *text)
  {
      GtkWidget *dialog = gtk_info_bar_new_with_buttons("No", GTK_RESPONSE_NO, "Yes", GTK_RESPONSE_YES, NULL);
-@@ -741,6 +761,7 @@ static void browserTabConstructed(GObject *gObject)
+@@ -746,6 +770,7 @@ static void browserTabConstructed(GObject *gObject)
      g_signal_connect(tab->webView, "notify::is-loading", G_CALLBACK(isLoadingChanged), tab);
      g_signal_connect(tab->webView, "decide-policy", G_CALLBACK(decidePolicy), tab);
      g_signal_connect(tab->webView, "load-changed", G_CALLBACK(loadChanged), tab);
@@ -22555,7 +22078,7 @@ index 6e6c4a5abecb12c6b30e90a93c539b9b9ff27e04..851b4b9ef8da2d4277313503734138f7
      g_signal_connect(tab->webView, "load-failed-with-tls-errors", G_CALLBACK(loadFailedWithTLSerrors), tab);
      g_signal_connect(tab->webView, "permission-request", G_CALLBACK(decidePermissionRequest), tab);
      g_signal_connect(tab->webView, "run-color-chooser", G_CALLBACK(runColorChooserCallback), tab);
-@@ -793,6 +814,9 @@ static char *getInternalURI(const char *uri)
+@@ -798,6 +823,9 @@ static char *getInternalURI(const char *uri)
      if (g_str_has_prefix(uri, "about:") && !g_str_equal(uri, "about:blank"))
          return g_strconcat(BROWSER_ABOUT_SCHEME, uri + strlen ("about"), NULL);
  
@@ -22877,7 +22400,7 @@ index 8433f5360dc4a5f43b68b67192fb3d9bf5064cf1..9fa8f53e90fe5a32be1c8e7a9daa6404
  
      g_clear_object(&interfaceSettings);
 diff --git a/Tools/MiniBrowser/wpe/main.cpp b/Tools/MiniBrowser/wpe/main.cpp
-index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be432ab3ec 100644
+index f5403031c914d7fedeb4649c4891beb7d681007e..eb1fe97ebb4e55eb1d4443e5f66566471ad9733f 100644
 --- a/Tools/MiniBrowser/wpe/main.cpp
 +++ b/Tools/MiniBrowser/wpe/main.cpp
 @@ -49,6 +49,9 @@ static gboolean headlessMode;
@@ -22890,7 +22413,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
  static const char* contentFilter;
  static const char* cookiesFile;
  static const char* cookiesPolicy;
-@@ -125,6 +128,9 @@ static const GOptionEntry commandLineOptions[] =
+@@ -127,6 +130,9 @@ static const GOptionEntry commandLineOptions[] =
  #endif
      { "size", 's', 0, G_OPTION_ARG_CALLBACK, reinterpret_cast<gpointer>(parseWindowSize), "Specify the window size to use, e.g. --size=\"800x600\"", nullptr },
      { "version", 'v', 0, G_OPTION_ARG_NONE, &printVersion, "Print the WPE version", nullptr },
@@ -22900,7 +22423,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
      { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &uriArguments, nullptr, "[URL]" },
      { nullptr, 0, 0, G_OPTION_ARG_NONE, nullptr, nullptr, nullptr }
  };
-@@ -283,15 +289,38 @@ static void filterSavedCallback(WebKitUserContentFilterStore *store, GAsyncResul
+@@ -285,15 +291,38 @@ static void filterSavedCallback(WebKitUserContentFilterStore *store, GAsyncResul
      g_main_loop_quit(data->mainLoop);
  }
  
@@ -22941,7 +22464,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
  {
      auto backend = createViewBackend(defaultWindowWidthLegacyAPI, defaultWindowHeightLegacyAPI);
      WebKitWebViewBackend* viewBackend = nullptr;
-@@ -306,12 +335,27 @@ static WebKitWebView* createWebView(WebKitWebView* webView, WebKitNavigationActi
+@@ -308,12 +337,27 @@ static WebKitWebView* createWebView(WebKitWebView* webView, WebKitNavigationActi
              }, backend.release());
      }
  
@@ -22975,7 +22498,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
  
  #if ENABLE_WPE_PLATFORM
      if (auto* wpeView = webkit_web_view_get_wpe_view(newWebView)) {
-@@ -326,6 +370,10 @@ static WebKitWebView* createWebView(WebKitWebView* webView, WebKitNavigationActi
+@@ -328,6 +372,10 @@ static WebKitWebView* createWebView(WebKitWebView* webView, WebKitNavigationActi
  
      g_hash_table_add(openViews, newWebView);
  
@@ -22986,9 +22509,9 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
      return newWebView;
  }
  
-@@ -395,13 +443,101 @@ static WebKitFeature* findFeature(WebKitFeatureList* featureList, const char* id
-     return nullptr;
+@@ -415,13 +463,105 @@ void loadConfigFile(WPESettings* settings)
  }
+ #endif
  
 +static WebKitWebView* createWebView(WebKitWebView* webView, WebKitNavigationAction*, gpointer user_data)
 +{
@@ -22999,7 +22522,11 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
 +{
 +    if (webkit_response_policy_decision_is_mime_type_supported(responseDecision))
 +        return true;
-+    const gchar* mimeType = webkit_uri_response_get_mime_type(webkit_response_policy_decision_get_response(responseDecision));
++    auto response = webkit_response_policy_decision_get_response(responseDecision);
++    const auto statusCode = webkit_uri_response_get_status_code(response);
++    if (statusCode == 205 || statusCode == 204)
++        return true;
++    const gchar* mimeType = webkit_uri_response_get_mime_type(response);
 +    if (!mimeType || mimeType[0] == '\0')
 +        return false;
 +    // https://bugs.webkit.org/show_bug.cgi?id=277204 / Ubuntu 24.04 / glib 2.76+ or higher
@@ -23089,7 +22616,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
          webkit_network_session_set_itp_enabled(networkSession, enableITP);
  
          if (proxy) {
-@@ -428,10 +564,18 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
+@@ -448,10 +588,18 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
              webkit_cookie_manager_set_persistent_storage(cookieManager, cookiesFile, storageType);
          }
      }
@@ -23110,7 +22637,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
      webkit_website_data_manager_set_itp_enabled(manager, enableITP);
  
      if (proxy) {
-@@ -462,6 +606,7 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
+@@ -482,6 +630,7 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
      }
  #endif
  
@@ -23118,7 +22645,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
      WebKitUserContentManager* userContentManager = nullptr;
      if (contentFilter) {
          GFile* contentFilterFile = g_file_new_for_commandline_arg(contentFilter);
-@@ -540,6 +685,15 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
+@@ -560,6 +709,15 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
          "autoplay", WEBKIT_AUTOPLAY_ALLOW,
          nullptr);
  
@@ -23134,7 +22661,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
      auto* webView = WEBKIT_WEB_VIEW(g_object_new(WEBKIT_TYPE_WEB_VIEW,
          "backend", viewBackend,
          "web-context", webContext,
-@@ -584,8 +738,6 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
+@@ -606,8 +764,6 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
      }
  #endif
  
@@ -23143,7 +22670,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
      g_signal_connect(webContext, "automation-started", G_CALLBACK(automationStartedCallback), webView);
      g_signal_connect(webView, "permission-request", G_CALLBACK(decidePermissionRequest), nullptr);
      g_signal_connect(webView, "create", G_CALLBACK(createWebView), application);
-@@ -597,16 +749,11 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
+@@ -619,16 +775,11 @@ static void activate(GApplication* application, WPEToolingBackends::ViewBackend*
          webkit_web_view_set_background_color(webView, &color);
  
      if (uriArguments) {
@@ -23165,7 +22692,7 @@ index f94a8a96c313860ef01de37108acc7c462d13795..f95494c1923c6a3fff562a4da73fa4be
          webkit_web_view_load_uri(webView, "https://wpewebkit.org");
  
      g_object_unref(webContext);
-@@ -702,8 +849,14 @@ int main(int argc, char *argv[])
+@@ -725,8 +876,14 @@ int main(int argc, char *argv[])
          }
      }
  
@@ -23205,43 +22732,6 @@ index 470dcf1f4440f3db350fc416150a2e792a2777c7..31cbc0d22e63d054cf6edcc220a1c6b4
  
              # WebInspectorUI must come after JavaScriptCore and WebCore but before WebKit and WebKit2
              my $webKitIndex = first { $projects[$_] eq "Source/WebKitLegacy" } 0..$#projects;
-diff --git a/Tools/Scripts/generate-bundle b/Tools/Scripts/generate-bundle
-index 297e7d7b3d0889235e621f5c48c1f1480d9685ce..7a7eab25ec0f14ed53f8e688ec9916f2eb7b584e 100755
---- a/Tools/Scripts/generate-bundle
-+++ b/Tools/Scripts/generate-bundle
-@@ -677,8 +677,6 @@ class BundleCreator(object):
-             # bunddle WebKit libraries
-             objects_to_copy.extend(self._get_webkit_binaries())
-             objects_to_copy.append(self._get_webkit_lib('InjectedBundle'))
--            if self._platform == 'wpe':
--                objects_to_copy.append(self._get_webkit_lib('InspectorResources'))
-             # Bundle extra system related libraries
-             gio_modules = self._get_gio_modules()
-             objects_to_copy.extend(gio_modules)
-@@ -766,6 +764,9 @@ class BundleCreator(object):
-         if needs_to_create_wpe_backend_symlink:
-             self._ensure_wpe_backend_symlink()
- 
-+        if self._platform == 'wpe':
-+            self._bundler.copy(os.path.join(self._buildpath, 'WebInspectorUI', 'DerivedSources', 'inspector.gresource'))
-+
-         # Now copy data files to share dir (only needed when bunding all for MiniBrowser).
-         # We assume that the system uses standard paths at /usr/share and /etc for this resources
-         # Every path should be checked and if some one is not found, then it will raise an error.
-diff --git a/Tools/Scripts/webkitpy/binary_bundling/bundle.py b/Tools/Scripts/webkitpy/binary_bundling/bundle.py
-index 2d0faab03b2376f3edd20bb2c727ed425ef1aec5..e315434a61800d102e2bac75ac651c3f9e77d3e7 100644
---- a/Tools/Scripts/webkitpy/binary_bundling/bundle.py
-+++ b/Tools/Scripts/webkitpy/binary_bundling/bundle.py
-@@ -49,6 +49,9 @@ class BinaryBundler:
-     def set_use_sys_lib_directory(self, should_use_sys_lib_directory):
-         self._should_use_sys_lib_directory = should_use_sys_lib_directory
- 
-+    def copy(self, orig_file):
-+        shutil.copy(orig_file, self._destination_dir)
-+
-     def copy_and_maybe_strip_patchelf(self, orig_file, type='bin', strip=True, patchelf_removerpath=True, patchelf_nodefaultlib=False, patchelf_setinterpreter_relativepath=None, object_final_destination_dir=None):
-         """ This does the following:
-             1. Copies the binary/lib (object)
 diff --git a/Tools/WebKitTestRunner/CMakeLists.txt b/Tools/WebKitTestRunner/CMakeLists.txt
 index 9e53f459e444b9c10fc5248f0e8059df6c1e0041..c17c875a7dd3ca05c4489578ab32378bca45a7c9 100644
 --- a/Tools/WebKitTestRunner/CMakeLists.txt
@@ -23258,10 +22748,10 @@ index 9e53f459e444b9c10fc5248f0e8059df6c1e0041..c17c875a7dd3ca05c4489578ab32378b
      "${WebKitTestRunner_DIR}/InjectedBundle/Bindings/AccessibilityController.idl"
      "${WebKitTestRunner_DIR}/InjectedBundle/Bindings/AccessibilityTextMarker.idl"
 diff --git a/Tools/WebKitTestRunner/TestController.cpp b/Tools/WebKitTestRunner/TestController.cpp
-index c1212470ee2e66c2113958894fce3245bbedda5a..1a4ae8ce2386e07267445dbca6f46b5d4a7d26ac 100644
+index 1e020026255e1904c5b80d5232de7c1899f894bc..3a74de8ff4f615b86755e18c3414b24f185c17c8 100644
 --- a/Tools/WebKitTestRunner/TestController.cpp
 +++ b/Tools/WebKitTestRunner/TestController.cpp
-@@ -983,6 +983,7 @@ void TestController::createWebViewWithOptions(const TestOptions& options)
+@@ -984,6 +984,7 @@ void TestController::createWebViewWithOptions(const TestOptions& options)
          0, // requestStorageAccessConfirm
          shouldAllowDeviceOrientationAndMotionAccess,
          runWebAuthenticationPanel,
@@ -23325,128 +22815,11 @@ index c1381b06b378a5121be926b1dfda3e5509bcd051..773e5882b6f2269201ca49433d0b6986
 +
 +
  } // namespace WTR
-diff --git a/Tools/glib/dependencies/apt b/Tools/glib/dependencies/apt
-index 65f8c1ff14a68b7961328fcc284a837c92d4f205..a2731ce34b12b0de7b476a69f906244390cf0cce 100644
---- a/Tools/glib/dependencies/apt
-+++ b/Tools/glib/dependencies/apt
-@@ -68,6 +68,7 @@ PACKAGES=(
-     libwebp-dev
-     libwoff-dev
-     libxml2-utils
-+    libxcb-glx0-dev
-     libxslt1-dev
-     mesa-common-dev
-     ninja-build
 diff --git a/Tools/jhbuild/jhbuild-minimal.modules b/Tools/jhbuild/jhbuild-minimal.modules
-index 9b006a3700330c89bfbb14906acb5cbaa160b8b2..74d34b7f90ac6bd444cf444e6911d53418aec901 100644
+index 3a0b7425900b14ce2aa0d48aa914cd69bff1f332..918dc2a3ac6716708ee372278f74877324abee3d 100644
 --- a/Tools/jhbuild/jhbuild-minimal.modules
 +++ b/Tools/jhbuild/jhbuild-minimal.modules
-@@ -10,6 +10,7 @@
-       <dep package="glib"/>
-       <dep package="glib-networking"/>
-       <dep package="icu"/>
-+      <dep package="libavif"/>
-       <dep package="libdrm"/>
-       <dep package="libjxl"/>
-       <dep package="libsoup"/>
-@@ -28,11 +29,11 @@
-       <dep package="glib"/>
-       <dep package="glib-networking"/>
-       <dep package="icu"/>
-+      <dep package="libavif"/>
-       <dep package="libdrm"/>
-       <dep package="libjxl"/>
-       <dep package="libsoup"/>
-       <dep package="libvpx"/>
--      <dep package="openxr"/>
-       <dep package="wayland"/>
-       <dep package="wayland-protocols"/>
-       <dep package="wpebackend-fdo"/>
-@@ -40,40 +41,22 @@
-   </metamodule>
- 
-   <!-- Please use http/https to access repositories to be friendly to users stuck behind firewalls. -->
-+  <!-- Git repositories. -->
-+  <repository type="git" name="aomedia.googlesource.com"
-+      href="https://aomedia.googlesource.com"/>
-+  <repository type="git" name="chromium.googlesource.com"
-+      href="https://chromium.googlesource.com"/>
-+  <repository type="git" name="git.freedesktop.org"
-+      href="https://gitlab.freedesktop.org"/>
-   <repository type="git" name="github.com"
-       href="https://github.com"/>
-+  <!-- Tarball repositories. -->
-+  <repository type="tarball" name="download.gnome.org"
-+      href="https://download.gnome.org"/>
-   <repository type="tarball" name="github-tarball"
-       href="https://github.com"/>
--  <repository type="tarball" name="sourceware.org-mirror"
--      href="http://mirrors.kernel.org/sources.redhat.com/"/>
-   <repository type="tarball" name="ftp.gnome.org"
-       href="http://ftp.gnome.org"/>
--  <repository type="tarball" name="download.gnome.org"
--      href="https://download.gnome.org"/>
--  <repository type="git" name="git.gnome.org"
--      href="https://git.gnome.org/browse/"/>
--  <repository type="tarball" name="cairographics.org"
--      href="http://cairographics.org"/>
--  <repository type="tarball" name="freedesktop.org"
--      href="http://www.freedesktop.org"/>
--  <repository type="tarball" name="xorg"
--      href="http://xorg.freedesktop.org"/>
--  <repository type="tarball" name="xmlsoft.org"
--      href="http://xmlsoft.org"/>
--  <repository type="tarball" name="savannah.gnu.org"
--      href="http://download.savannah.gnu.org/releases/"/>
-- <repository type="tarball" name="dri.freedesktop.org"
--      href="https://dri.freedesktop.org"/>
--  <repository type="tarball" name="mesa.freedesktop.org"
--      href="https://mesa.freedesktop.org"/>
--  <repository type="git" name="git.freedesktop.org"
--      href="https://gitlab.freedesktop.org"/>
--  <repository type="tarball" name="llvm.org"
--      href="http://llvm.org"/>
--  <repository type="tarball" name="webkitgtk-jhbuild-mirror"
--      href="http://webkitgtk.org/jhbuild_mirror/"/>
--  <repository type="tarball" name="gnupg.org"
--      href="https://www.gnupg.org/ftp/gcrypt/"/>
- 
-   <!-- meson 0.62.2 required to build gstreamer-1.22.7 -->
-   <if condition-set="require-meson">
-@@ -117,6 +100,32 @@
-     </branch>
-   </autotools>
- 
-+  <cmake id="libyuv">
-+    <branch module="libyuv/libyuv"
-+            repo="chromium.googlesource.com"
-+            tag="stable"/>
-+  </cmake>
-+
-+  <cmake id="libaom" cmakeargs="-DENABLE_DOCS=OFF -DENABLE_EXAMPLES=OFF -DENABLE_TOOLS=OFF -DENABLE_TESTS=OFF">
-+    <pkg-config>libaom.pc</pkg-config>
-+    <branch module="aom"
-+            repo="aomedia.googlesource.com"
-+            tag="v3.3.0"
-+            version="3.3.0" />
-+  </cmake>
-+
-+  <cmake id="libavif" cmakeargs="-DCMAKE_BUILD_TYPE=Release -DAVIF_ENABLE_WERROR=OFF">
-+    <pkg-config>libavif.pc</pkg-config>
-+    <dependencies>
-+      <dep package="libyuv"/>
-+      <dep package="libaom"/>
-+    </dependencies>
-+    <branch module="AOMediaCodec/libavif"
-+            repo="github.com"
-+            tag="v0.9.3"
-+            version="0.9.3" />
-+  </cmake>
-+
-   <!-- libdrm required for function 'drmGetFormatName' (defined since 'libdrm-2.4.113') -->
-   <meson id="libdrm" mesonargs="-Dtegra=enabled -Dcairo-tests=disabled -Dman-pages=disabled -Dvalgrind=disabled -Dudev=false -Dtests=false">
-     <pkg-config>libdrm.pc</pkg-config>
-@@ -128,7 +137,6 @@
+@@ -186,7 +186,6 @@
    </meson>
  
    <meson id="libsoup" mesonargs="-Dgssapi=disabled -Dvapi=disabled -Dntlm=disabled -Dsysprof=disabled -Dautobahn=disabled -Dpkcs11_tests=disabled">
@@ -23455,10 +22828,10 @@ index 9b006a3700330c89bfbb14906acb5cbaa160b8b2..74d34b7f90ac6bd444cf444e6911d534
        <dep package="glib"/>
        <dep package="glib-networking"/>
 diff --git a/Tools/wpe/backends/fdo/HeadlessViewBackendFdo.cpp b/Tools/wpe/backends/fdo/HeadlessViewBackendFdo.cpp
-index 05b0196555fbc993ebff3088c1f5926c4cfe391a..dd82d6c324f158045372fb48552fa919d3f50b4f 100644
+index df22308266c6f69d24a60905f8d05e4e80f21b9b..2d0838070dc10793418cbb648b095a5ffa76f1b8 100644
 --- a/Tools/wpe/backends/fdo/HeadlessViewBackendFdo.cpp
 +++ b/Tools/wpe/backends/fdo/HeadlessViewBackendFdo.cpp
-@@ -180,32 +180,30 @@ void HeadlessViewBackend::updateSnapshot(PlatformBuffer exportedBuffer)
+@@ -210,32 +210,30 @@ void HeadlessViewBackend::updateSnapshot(PlatformBuffer exportedBuffer)
              return;
      }
  
@@ -23507,7 +22880,7 @@ index 05b0196555fbc993ebff3088c1f5926c4cfe391a..dd82d6c324f158045372fb48552fa919
          wl_shm_buffer_end_access(shmBuffer);
      }
  
-@@ -214,7 +212,7 @@ void HeadlessViewBackend::updateSnapshot(PlatformBuffer exportedBuffer)
+@@ -244,7 +242,7 @@ void HeadlessViewBackend::updateSnapshot(PlatformBuffer exportedBuffer)
          cairo_surface_destroy(m_snapshot);
  
      m_snapshot = cairo_image_surface_create_for_data(buffer, CAIRO_FORMAT_ARGB32,