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

cc/trees/single_thread_proxy.h

Index: cc/trees/single_thread_proxy.h
diff --git a/cc/trees/single_thread_proxy.h b/cc/trees/single_thread_proxy.h
index 98ac5e5c7d40ae7bae0ea8b9e0740e865f6068eb..8cb5f6654fe864bd78cdf0990cbee78187d5d168 100644
--- a/cc/trees/single_thread_proxy.h
+++ b/cc/trees/single_thread_proxy.h
@@ -113,6 +113,10 @@ class CC_EXPORT SingleThreadProxy : public Proxy,
   void DidPrepareTiles() override;
   void DidCompletePageScaleAnimationOnImplThread() override;
   void OnDrawForOutputSurface() override;
+  void PostFrameTimingEventsOnImplThread(
+      scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+      scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events)
+      override;
 
   void SetDebugState(const LayerTreeDebugState& debug_state) override {}