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

ui/compositor/compositor.h

Index: ui/compositor/compositor.h
diff --git a/ui/compositor/compositor.h b/ui/compositor/compositor.h
index ff20e948341faff974c339403252b919b16da9b3..a4ba4021ae9e5c30563a08a584baf52c8ae92eba 100644
--- a/ui/compositor/compositor.h
+++ b/ui/compositor/compositor.h
@@ -299,6 +299,10 @@ class COMPOSITOR_EXPORT Compositor
   void DidCompleteSwapBuffers() override;
   void DidCompletePageScaleAnimation() override {}
   void SendBeginFramesToChildren(const cc::BeginFrameArgs& args) override;
+  void RecordFrameTimingEvents(
+      scoped_ptr<cc::FrameTimingTracker::CompositeTimingSet> composite_events,
+      scoped_ptr<cc::FrameTimingTracker::MainFrameTimingSet> main_frame_events)
+      override {}
 
   // cc::LayerTreeHostSingleThreadClient implementation.
   void DidPostSwapBuffers() override;