Pass collected frame timing events to Blink

cc/trees/thread_proxy.cc

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/thread_proxy.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 1394 matching lines @@
   Proxy::MainThreadTaskRunner()->PostTask(
       FROM_HERE, base::Bind(&ThreadProxy::DidCompletePageScaleAnimation,
                             main_thread_weak_ptr_));
 }
 
 void ThreadProxy::OnDrawForOutputSurface() {
   DCHECK(IsImplThread());
   impl().scheduler->OnDrawForOutputSurface();
 }
 
+void ThreadProxy::PostFrameTimingEventsOnImplThread(
+    scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+    scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events) {
+  DCHECK(IsImplThread());
+  Proxy::MainThreadTaskRunner()->PostTask(
+      FROM_HERE,
+      base::Bind(&ThreadProxy::PostFrameTimingEvents, main_thread_weak_ptr_,
+                 base::Passed(composite_events.Pass()),
+                 base::Passed(main_frame_events.Pass())));
+}
+
+void ThreadProxy::PostFrameTimingEvents(

[enne (OOO), 2015/06/02 18:13:38]

DCHECK(IsMainThread()) here?

[MikeB, 2015/06/02 21:59:36]

Good catch!

+    scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+    scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events) {
+  layer_tree_host()->RecordFrameTimingEvents(composite_events.Pass(),
+                                             main_frame_events.Pass());
+}
+
 }  // namespace cc