From dd3d0cd45de4a571bf24d61586e962b5b89fe6d2 Mon Sep 17 00:00:00 2001
From: Chinmay Garde <chinmaygarde@gmail.com>
Date: Thu, 18 Aug 2016 18:21:23 -0700
Subject: [PATCH] Add a PlatformVSync trace event to VSyncProviderImpl.java.
 (#2951)

---
 services/vsync/src/org/domokit/vsync/VSyncProviderImpl.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/services/vsync/src/org/domokit/vsync/VSyncProviderImpl.java b/services/vsync/src/org/domokit/vsync/VSyncProviderImpl.java
index f6978a48a87..317a6779c9f 100644
--- a/services/vsync/src/org/domokit/vsync/VSyncProviderImpl.java
+++ b/services/vsync/src/org/domokit/vsync/VSyncProviderImpl.java
@@ -6,6 +6,7 @@ package org.domokit.vsync;
 
 import android.view.Choreographer;
 
+import org.chromium.base.TraceEvent;
 import org.chromium.mojo.system.MessagePipeHandle;
 import org.chromium.mojo.system.MojoException;
 import org.chromium.mojom.vsync.VSyncProvider;
@@ -41,6 +42,7 @@ public class VSyncProviderImpl implements VSyncProvider, Choreographer.FrameCall
 
     @Override
     public void doFrame(long frameTimeNanos) {
+        TraceEvent.instant("PlatformVSync");
         long frameTimeMicros = frameTimeNanos / 1000;
         for (AwaitVSyncResponse callback : mCallbacks) {
             callback.call(frameTimeMicros);