Update CrOS to use scoped_refptr<T>::get() rather than implicit "operator T*"

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 12 matching lines @@
   virtual scoped_refptr<Tile> CreateTile(
       PictureLayerTiling* tiling, gfx::Rect rect) OVERRIDE;
   virtual void DestroyTile(Tile* tile) OVERRIDE {}
   virtual void UpdatePile(Tile* tile) OVERRIDE {}
   virtual gfx::Size CalculateTileSize(
       gfx::Size content_bounds) const OVERRIDE;
 
   void SetTileSize(gfx::Size tile_size);
   gfx::Size TileSize() const { return tile_size_; }
   scoped_refptr<PicturePileImpl> pile() { return pile_; }
-  const PicturePileImpl* pile() const { return pile_; }
+  const PicturePileImpl* pile() const { return pile_.get(); }
 
   virtual const Region* GetInvalidation() OVERRIDE;
   virtual const PictureLayerTiling* GetTwinTiling(
       const PictureLayerTiling* tiling) OVERRIDE;
 
   void set_twin_tiling(PictureLayerTiling* tiling) { twin_tiling_ = tiling; }
   void set_text_rect(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; }
 
  protected:
   FakeTileManagerClient tile_manager_client_;
   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_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_TILING_CLIENT_H_