From b2c863f6a3746bd9cda5f27ccf381028927af642 Mon Sep 17 00:00:00 2001
From: Pavel Feldman <pavel.feldman@gmail.com>
Date: Thu, 31 Mar 2022 08:45:45 -0800
Subject: [PATCH] fix(tracing): account for screencast timestamps when
 computing timeline boundary of empty trace (#13214)

---
 packages/trace-viewer/src/traceModel.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/trace-viewer/src/traceModel.ts b/packages/trace-viewer/src/traceModel.ts
index 3a09d791f4..81a132abcc 100644
--- a/packages/trace-viewer/src/traceModel.ts
+++ b/packages/trace-viewer/src/traceModel.ts
@@ -152,6 +152,10 @@ export class TraceModel {
       this.contextEntry!.startTime = Math.min(this.contextEntry!.startTime, event.metadata.startTime);
       this.contextEntry!.endTime = Math.max(this.contextEntry!.endTime, event.metadata.endTime);
     }
+    if (event.type === 'screencast-frame') {
+      this.contextEntry!.startTime = Math.min(this.contextEntry!.startTime, event.timestamp);
+      this.contextEntry!.endTime = Math.max(this.contextEntry!.endTime, event.timestamp);
+    }
   }
 
   private _modernize(event: any): trace.TraceEvent {