cc: Avoid expensive RenderingStats collection.

cc/test/tiled_layer_test_common.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_TEST_TILED_LAYER_TEST_COMMON_H_
 #define CC_TEST_TILED_LAYER_TEST_COMMON_H_
 
 #include "cc/layer_updater.h"
 #include "cc/prioritized_resource.h"
 #include "cc/region.h"
@@ skipping 10 matching lines @@
 
 class FakeTiledLayer;
 
 class FakeLayerUpdater : public cc::LayerUpdater {
 public:
     class Resource : public cc::LayerUpdater::Resource {
     public:
         Resource(FakeLayerUpdater*, scoped_ptr<cc::PrioritizedResource>);
         virtual ~Resource();
 
-        virtual void update(cc::ResourceUpdateQueue&, const gfx::Rect&, const gfx::Vector2d&, bool, cc::RenderingStats&) OVERRIDE;
+        virtual void update(cc::ResourceUpdateQueue&, const gfx::Rect&, const gfx::Vector2d&, bool, cc::RenderingStats*) OVERRIDE;
 
     private:
         FakeLayerUpdater* m_layer;
         SkBitmap m_bitmap;
     };
 
     FakeLayerUpdater();
 
     virtual scoped_ptr<cc::LayerUpdater::Resource> createResource(cc::PrioritizedResourceManager*) OVERRIDE;
 
-    virtual void prepareToUpdate(const gfx::Rect& contentRect, const gfx::Size&, float, float, gfx::Rect& resultingOpaqueRect, cc::RenderingStats&) OVERRIDE;
+    virtual void prepareToUpdate(const gfx::Rect& contentRect, const gfx::Size&, float, float, gfx::Rect& resultingOpaqueRect, cc::RenderingStats*) OVERRIDE;
     // Sets the rect to invalidate during the next call to prepareToUpdate(). After the next
     // call to prepareToUpdate() the rect is reset.
     void setRectToInvalidate(const gfx::Rect&, FakeTiledLayer*);
     // Last rect passed to prepareToUpdate().
     const gfx::Rect& lastUpdateRect()  const { return m_lastUpdateRect; }
 
     // Number of times prepareToUpdate has been invoked.
     int prepareCount() const { return m_prepareCount; }
     void clearPrepareCount() { m_prepareCount = 0; }
 
@@ skipping 73 matching lines @@
     virtual void didUpdateBounds() OVERRIDE;
 
 protected:
     virtual ~FakeTiledLayerWithScaledBounds();
     gfx::Size m_forcedContentBounds;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TILED_LAYER_TEST_COMMON_H_