cc: Do not cleanup tiles with raster tasks.

cc/test/fake_picture_layer_tiling_client.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_FAKE_PICTURE_LAYER_TILING_CLIENT_H_
 #define CC_TEST_FAKE_PICTURE_LAYER_TILING_CLIENT_H_
 
 #include "cc/resources/picture_layer_tiling.h"
 #include "cc/resources/picture_pile_impl.h"
 #include "cc/resources/tile.h"
@@ skipping 18 matching lines @@
   virtual size_t GetMaxTilesForInterestArea() const OVERRIDE;
   virtual float GetSkewportTargetTimeInSeconds() const OVERRIDE;
   virtual int GetSkewportExtrapolationLimitInContentPixels() const OVERRIDE;
 
   void SetTileSize(const gfx::Size& tile_size);
   gfx::Size TileSize() const { return tile_size_; }
 
   virtual const Region* GetInvalidation() OVERRIDE;
   virtual const PictureLayerTiling* GetTwinTiling(
       const PictureLayerTiling* tiling) const OVERRIDE;
+  virtual WhichTree GetTree() const OVERRIDE;
 
   void set_twin_tiling(PictureLayerTiling* tiling) { twin_tiling_ = tiling; }
   void set_text_rect(const gfx::Rect& rect) { text_rect_ = rect; }
   void set_allow_create_tile(bool allow) { allow_create_tile_ = allow; }
   void set_invalidation(const Region& region) { invalidation_ = region; }
   void set_max_tiles_for_interest_area(size_t area) {
     max_tiles_for_interest_area_ = area;
   }
   void set_skewport_target_time_in_seconds(float time) {
     skewport_target_time_in_seconds_ = time;
   }
   void set_skewport_extrapolation_limit_in_content_pixels(int limit) {
     skewport_extrapolation_limit_in_content_pixels_ = limit;
   }
+  void set_tree(WhichTree tree) { tree_ = tree; }
 
   TileManager* tile_manager() const {
     return tile_manager_.get();
   }
 
  protected:
   FakeTileManagerClient tile_manager_client_;
   scoped_ptr<ResourcePool> resource_pool_;
   scoped_ptr<TileManager> tile_manager_;
   scoped_refptr<PicturePileImpl> pile_;
   gfx::Size tile_size_;
   PictureLayerTiling* twin_tiling_;
   gfx::Rect text_rect_;
   bool allow_create_tile_;
   Region invalidation_;
   size_t max_tiles_for_interest_area_;
   float skewport_target_time_in_seconds_;
   int skewport_extrapolation_limit_in_content_pixels_;
+  WhichTree tree_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_TILING_CLIENT_H_