chore(webkit): delete browser target agent

package.json

@@ -10,7 +10,7 @@
   "playwright": {
     "chromium_revision": "724623",
     "firefox_revision": "1009",
-    "webkit_revision": "1066"
+    "webkit_revision": "1068"
   },
   "scripts": {
     "unit": "node test/test.js",

src/webkit/wkBrowser.ts

@@ -48,12 +48,6 @@ export class WKBrowser extends browser.Browser {
     ];
 
     this._firstPageProxyPromise = new Promise<void>(resolve => this._firstPageProxyCallback = resolve);
-
-    // Intercept provisional targets during cross-process navigation.
-    this._connection.send('Target.setPauseOnStart', { pauseOnStart: true }).catch(e => {
-      debugError(e);
-      throw e;
-    });
   }
 
   async newContext(options: BrowserContextOptions = {}): Promise<BrowserContext> {

src/webkit/wkPageProxy.ts

@@ -32,6 +32,12 @@ export class WKPageProxy {
       helper.addEventListener(this._pageProxySession, WKPageProxySessionEvents.TargetDestroyed, this._onTargetDestroyed.bind(this)),
       helper.addEventListener(this._pageProxySession, WKPageProxySessionEvents.DidCommitProvisionalTarget, this._onProvisionalTargetCommitted.bind(this))
     ];
+
+    // Intercept provisional targets during cross-process navigation.
+    this._pageProxySession.send('Target.setPauseOnStart', { pauseOnStart: true }).catch(e => {
+      debugError(e);
+      throw e;
+    });
   }
 
   dispose() {