Add duration estimation data to RenderingStats.

cc/debug/rendering_stats_instrumentation.h

Index: cc/debug/rendering_stats_instrumentation.h
diff --git a/cc/debug/rendering_stats_instrumentation.h b/cc/debug/rendering_stats_instrumentation.h
index 664013186cdeb4690d50df511ebd461fead621ad..5d8ca7d4070858bfddbb7d160253de16e6fe1926 100644
--- a/cc/debug/rendering_stats_instrumentation.h
+++ b/cc/debug/rendering_stats_instrumentation.h
@@ -54,6 +54,14 @@ class CC_EXPORT RenderingStatsInstrumentation {
   void AddAnalysis(base::TimeDelta duration, int64 pixels);
   void AddVisibleContentArea(int64 area);
   void AddApproximatedVisibleContentArea(int64 area);
+  void AddDrawDuration(base::TimeDelta draw_duration,
+                       base::TimeDelta draw_duration_estimate);
+  void AddBeginMainFrameToCommitDuration(
+      base::TimeDelta begin_main_frame_to_commit_duration,
+      base::TimeDelta begin_main_frame_to_commit_duration_estimate);
+  void AddCommitToActivateDuration(
+      base::TimeDelta commit_to_activate_duration,
+      base::TimeDelta commit_to_activate_duration_estimate);
 
  protected:
   RenderingStatsInstrumentation();