cc: Remove RenderingStats passed to ContentLayerUpdater during Layer::Update()

cc/resources/image_layer_updater.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_IMAGE_LAYER_UPDATER_H_
 #define CC_RESOURCES_IMAGE_LAYER_UPDATER_H_
 
 #include "cc/base/cc_export.h"
 #include "cc/resources/layer_updater.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 namespace cc {
 
 class ResourceUpdateQueue;
 
 class CC_EXPORT ImageLayerUpdater : public LayerUpdater {
  public:
   class Resource : public LayerUpdater::Resource {
    public:
     Resource(ImageLayerUpdater* updater,
              scoped_ptr<PrioritizedResource> texture);
     virtual ~Resource();
 
     virtual void Update(ResourceUpdateQueue* queue,
                         gfx::Rect source_rect,
                         gfx::Vector2d dest_offset,
-                        bool partial_update,
-                        RenderingStats* stats) OVERRIDE;
+                        bool partial_update) OVERRIDE;
 
    private:
     ImageLayerUpdater* updater_;
 
     DISALLOW_COPY_AND_ASSIGN(Resource);
   };
 
   static scoped_refptr<ImageLayerUpdater> Create();
 
   virtual scoped_ptr<LayerUpdater::Resource> CreateResource(
@@ skipping 12 matching lines @@
   virtual ~ImageLayerUpdater() {}
 
   SkBitmap bitmap_;
 
   DISALLOW_COPY_AND_ASSIGN(ImageLayerUpdater);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_IMAGE_LAYER_UPDATER_H_