cc: Remove texture scaling and clear edge texels of a layer.

cc/picture_pile_base.h

 // Copyright 2013 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_PICTURE_PILE_BASE_H_
 #define CC_PICTURE_PILE_BASE_H_
 
 #include <list>
 
 #include "base/hash_tables.h"
@@ skipping 38 matching lines @@
   typedef std::list<scoped_refptr<Picture> > PictureList;
   typedef base::hash_map<PictureListMapKey, PictureList> PictureListMap;
 
   // A picture pile is a tiled set of picture lists.  The picture list map
   // is a map of tile indices to picture lists.
   PictureListMap picture_list_map_;
   TilingData tiling_;
   Region recorded_region_;
   float min_contents_scale_;
   SkTileGridPicture::TileGridInfo tile_grid_info_;
+  SkColor background_color_;
 
  private:
   void SetBufferPixels(int buffer_pixels);
 
   friend class base::RefCounted<PicturePileBase>;
   DISALLOW_COPY_AND_ASSIGN(PicturePileBase);
 };
 
 }  // namespace cc
 
 #endif  // CC_PICTURE_PILE_H_