cc: Switch RenderingStats collection in Layer::Update() to RenderingStatsInstrumentation

cc/resources/content_layer_updater.h

 // Copyright 2011 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_CONTENT_LAYER_UPDATER_H_
 #define CC_RESOURCES_CONTENT_LAYER_UPDATER_H_
 
 #include "cc/base/cc_export.h"
 #include "cc/resources/layer_updater.h"
 #include "ui/gfx/rect.h"
 
 class SkCanvas;
 
 namespace cc {
 
 class LayerPainter;
+class RenderingStatsInstrumentation;
 
 // Base class for BitmapContentLayerUpdater and
 // SkPictureContentLayerUpdater that reduces code duplication between
 // their respective PaintContents implementations.
 class CC_EXPORT ContentLayerUpdater : public LayerUpdater {
  protected:
-  explicit ContentLayerUpdater(scoped_ptr<LayerPainter> painter);
+  ContentLayerUpdater(scoped_ptr<LayerPainter> painter,
+                      RenderingStatsInstrumentation* stats_instrumentation);
   virtual ~ContentLayerUpdater();
 
   void PaintContents(SkCanvas* canvas,
                      gfx::Rect content_rect,
                      float contents_width_scale,
                      float contents_height_scale,
-                     gfx::Rect* resulting_opaque_rect,
-                     RenderingStats* stats);
+                     gfx::Rect* resulting_opaque_rect);
   gfx::Rect content_rect() const { return content_rect_; }
 
+  RenderingStatsInstrumentation* rendering_stats_instrumentation_;
+
  private:
   gfx::Rect content_rect_;
   scoped_ptr<LayerPainter> painter_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentLayerUpdater);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_CONTENT_LAYER_UPDATER_H_