cc: Remove unused metrics from RenderingStats.

cc/resources/picture.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_RESOURCES_PICTURE_H_
 #define CC_RESOURCES_PICTURE_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 16 matching lines @@
 class Value;
 }
 
 namespace skia {
 class AnalysisCanvas;
 }
 
 namespace cc {
 
 class ContentLayerClient;
-class RenderingStatsInstrumentation;
 
 class CC_EXPORT Picture
     : public base::RefCountedThreadSafe<Picture> {
  public:
   typedef std::pair<int, int> PixelRefMapKey;
   typedef std::vector<skia::LazyPixelRef*> PixelRefs;
   typedef base::hash_map<PixelRefMapKey, PixelRefs> PixelRefMap;
 
   static scoped_refptr<Picture> Create(gfx::Rect layer_rect);
   static scoped_refptr<Picture> CreateFromValue(const base::Value* value);
   static scoped_refptr<Picture> CreateFromSkpValue(const base::Value* value);
 
   gfx::Rect LayerRect() const { return layer_rect_; }
   gfx::Rect OpaqueRect() const { return opaque_rect_; }
 
   // Get thread-safe clone for rasterizing with on a specific thread.
   scoped_refptr<Picture> GetCloneForDrawingOnThread(
       unsigned thread_index) const;
 
   // Make thread-safe clones for rasterizing with.
   void CloneForDrawing(int num_threads);
 
   // Record a paint operation. To be able to safely use this SkPicture for
   // playback on a different thread this can only be called once.
   void Record(ContentLayerClient* client,
               const SkTileGridPicture::TileGridInfo& tile_grid_info);
 
   // Gather pixel refs from recording.
-  void GatherPixelRefs(const SkTileGridPicture::TileGridInfo& tile_grid_info,
-                       RenderingStatsInstrumentation* stats_instrumentation);
+  void GatherPixelRefs(const SkTileGridPicture::TileGridInfo& tile_grid_info);
 
   // Has Record() been called yet?
   bool HasRecording() const { return picture_.get() != NULL; }
 
   // Apply this contents scale and raster the content rect into the canvas.
   void Raster(SkCanvas* canvas,
               SkDrawPictureCallback* callback,
               gfx::Rect content_rect,
               float contents_scale);
 
@@ skipping 71 matching lines @@
     AsTraceableRecordData() const;
 
   friend class base::RefCountedThreadSafe<Picture>;
   friend class PixelRefIterator;
   DISALLOW_COPY_AND_ASSIGN(Picture);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_PICTURE_H_