Rasterize at maximum scale for scale animations on CPU-rasterized layers

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/base/region.h"
 #include "cc/layers/tiled_layer.h"
 #include "cc/layers/tiled_layer_impl.h"
@@ skipping 124 matching lines @@
 
 class FakeTiledLayerWithScaledBounds : public FakeTiledLayer {
  public:
   explicit FakeTiledLayerWithScaledBounds(
       PrioritizedResourceManager* resource_manager);
 
   void SetContentBounds(const gfx::Size& content_bounds);
   virtual void CalculateContentsScale(float ideal_contents_scale,
                                       float device_scale_factor,
                                       float page_scale_factor,
+                                      float maximum_animation_contents_scale,
                                       bool animating_transform_to_screen,
                                       float* contents_scale_x,
                                       float* contents_scale_y,
                                       gfx::Size* content_bounds) OVERRIDE;
 
  protected:
   virtual ~FakeTiledLayerWithScaledBounds();
   gfx::Size forced_content_bounds_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeTiledLayerWithScaledBounds);
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TILED_LAYER_TEST_COMMON_H_