Remove current implementation of frame timing events.

cc/trees/proxy_main.h

Index: cc/trees/proxy_main.h
diff --git a/cc/trees/proxy_main.h b/cc/trees/proxy_main.h
index 77b61a33a79479bad6cc620b928fb6b6d14681a3..662731244bfa70e3660975e440a06b0967c3d7e0 100644
--- a/cc/trees/proxy_main.h
+++ b/cc/trees/proxy_main.h
@@ -7,7 +7,6 @@
 
 #include "base/macros.h"
 #include "cc/base/cc_export.h"
-#include "cc/debug/frame_timing_tracker.h"
 #include "cc/input/top_controls_state.h"
 #include "cc/output/output_surface.h"
 #include "cc/output/renderer_capabilities.h"
@@ -62,10 +61,6 @@ class CC_EXPORT ProxyMain : public Proxy {
       bool success,
       const RendererCapabilities& capabilities);
   virtual void DidCompletePageScaleAnimation();
-  virtual void PostFrameTimingEventsOnMain(
-      std::unique_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
-      std::unique_ptr<FrameTimingTracker::MainFrameTimingSet>
-          main_frame_events);
   virtual void BeginMainFrame(
       std::unique_ptr<BeginMainFrameAndCommitState> begin_main_frame_state);