cc: Remove unused metrics from 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 816b90a45356e59a242381dd56f1fb6e3c856eab..fcecb371cfb4bf497039c80c1dd6de04cd8022b7 100644
--- a/cc/debug/rendering_stats_instrumentation.h
+++ b/cc/debug/rendering_stats_instrumentation.h
@@ -57,32 +57,10 @@ class CC_EXPORT RenderingStatsInstrumentation {
   base::TimeTicks StartRecording() const;
   base::TimeDelta EndRecording(base::TimeTicks start_time) const;
 
-  void IncrementAnimationFrameCount();
-  void IncrementScreenFrameCount(int64 count, bool main_thread);
-  void IncrementDroppedFrameCount(int64 count);
-
-  void AddCommit(base::TimeDelta duration);
+  void IncrementFrameCount(int64 count, bool main_thread);
   void AddPaint(base::TimeDelta duration, int64 pixels);
-  void AddRecord(base::TimeDelta duration,
-                 base::TimeDelta best_duration,
-                 int64 pixels);
-  void AddRaster(base::TimeDelta total_duraction,
-                 base::TimeDelta best_duration,
-                 int64 pixels,
-                 bool is_in_pending_tree_now_bin);
-
-  void IncrementImplThreadScrolls();
-  void IncrementMainThreadScrolls();
-
-  void AddLayersDrawn(int64 amount);
-  void AddMissingTiles(int64 amount);
-
-  void AddDeferredImageDecode(base::TimeDelta duration);
-  void AddImageGathering(base::TimeDelta duration);
-
-  void IncrementDeferredImageCacheHitCount();
-
-  void AddAnalysisResult(base::TimeDelta duration, bool is_solid_color);
+  void AddRecord(base::TimeDelta duration, int64 pixels);
+  void AddRaster(base::TimeDelta duration, int64 pixels);
 
  protected:
   RenderingStatsInstrumentation();