[WIP] cc: Plumb frame timing info without using a commit.

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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 "content/renderer/gpu/render_widget_compositor.h"
 
 #include <limits>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 941 matching lines @@
 }
 
 void RenderWidgetCompositor::DidPostSwapBuffers() {
   widget_->OnSwapBuffersPosted();
 }
 
 void RenderWidgetCompositor::DidAbortSwapBuffers() {
   widget_->OnSwapBuffersAborted();
 }
 
+void RenderWidgetCompositor::RecordFrameTimingEvents(
+    scoped_ptr<cc::FrameTimingTracker::CompositeTimingSet> composite_events,
+    scoped_ptr<cc::FrameTimingTracker::MainFrameTimingSet> main_frame_events) {
+  // TODO(vmpstr): Record the events.

[MikeB, 2015/06/01 19:29:55]

Recording the events should be (or similar to) 

https://codereview.chromium.org/1137823002/diff/60001/content/renderer/gpu/re...

+}
+
 void RenderWidgetCompositor::RateLimitSharedMainThreadContext() {
   cc::ContextProvider* provider =
       compositor_deps_->GetSharedMainThreadContextProvider();
   // provider can be NULL after the GPU process crashed enough times and we
   // don't want to restart it any more (falling back to software).
   if (!provider)
     return;
   provider->ContextGL()->RateLimitOffscreenContextCHROMIUM();
 }
 
 void RenderWidgetCompositor::SetSurfaceIdNamespace(
     uint32_t surface_id_namespace) {
   layer_tree_host_->set_surface_id_namespace(surface_id_namespace);
 }
 
 }  // namespace content