cc: Add PictureLayerImpl::AsValue

cc/picture_layer_tiling_set.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_PICTURE_LAYER_TILING_SET_H_
 #define CC_PICTURE_LAYER_TILING_SET_H_
 
 #include "cc/picture_layer_tiling.h"
 #include "cc/region.h"
 #include "cc/scoped_ptr_vector.h"
@@ skipping 93 matching lines @@
     PictureLayerTiling::LayerDeviceAlignment layer_device_alignment_;
     PictureLayerTiling::Iterator tiling_iter_;
     int current_tiling_;
     int ideal_tiling_;
 
     Region current_region_;
     Region missing_region_;
     Region::Iterator region_iter_;
   };
 
+  scoped_ptr<base::Value> AsValue() const;
+
  private:
   PictureLayerTilingClient* client_;
   gfx::Size layer_bounds_;
   ScopedPtrVector<PictureLayerTiling> tilings_;
 
   friend class Iterator;
 };
 
 }  // namespace cc
 
 #endif  // CC_PICTURE_LAYER_TILING_SET_H_