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

content/renderer/gpu/render_widget_compositor.h

Index: content/renderer/gpu/render_widget_compositor.h
diff --git a/content/renderer/gpu/render_widget_compositor.h b/content/renderer/gpu/render_widget_compositor.h
index a6d1981b0d521a805722790ad1b1172e47669099..0a64cb3b0ec098325e30f553185dd76ed9c093ce 100644
--- a/content/renderer/gpu/render_widget_compositor.h
+++ b/content/renderer/gpu/render_widget_compositor.h
@@ -157,6 +157,10 @@ class CONTENT_EXPORT RenderWidgetCompositor
   void DidCompleteSwapBuffers() override;
   void DidCompletePageScaleAnimation() override;
   void RateLimitSharedMainThreadContext() override;
+  void RecordFrameTimingEvents(
+      scoped_ptr<cc::FrameTimingTracker::CompositeTimingSet> composite_events,
+      scoped_ptr<cc::FrameTimingTracker::MainFrameTimingSet> main_frame_events)
+      override;
 
   // cc::LayerTreeHostSingleThreadClient implementation.
   void ScheduleAnimation() override;
@@ -164,8 +168,8 @@ class CONTENT_EXPORT RenderWidgetCompositor
   void DidAbortSwapBuffers() override;
 
   enum {
-   OUTPUT_SURFACE_RETRIES_BEFORE_FALLBACK = 4,
-   MAX_OUTPUT_SURFACE_RETRIES = 5,
+    OUTPUT_SURFACE_RETRIES_BEFORE_FALLBACK = 4,
+    MAX_OUTPUT_SURFACE_RETRIES = 5,
   };
 
  protected: