cc: Added raster source.

cc/resources/raster_worker_pool.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_RESOURCES_RASTER_WORKER_POOL_H_
 #define CC_RESOURCES_RASTER_WORKER_POOL_H_
 
 #include "cc/resources/rasterizer.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace cc {
-class PicturePileImpl;
+class RasterSource;
 class RenderingStatsInstrumentation;
 
 class CC_EXPORT RasterWorkerPool {
  public:
   static unsigned kBenchmarkRasterTaskPriority;
   static unsigned kRasterFinishedTaskPriority;
   static unsigned kRasterTaskPriorityBase;
 
   RasterWorkerPool();
   virtual ~RasterWorkerPool();
@@ skipping 35 matching lines @@
       RasterTask* task,
       const ImageDecodeTask::Vector& decode_tasks,
       unsigned priority);
 
   // Utility function that will create a temporary bitmap and copy pixels to
   // |memory| when necessary.
   static void PlaybackToMemory(void* memory,
                                ResourceFormat format,
                                const gfx::Size& size,
                                int stride,
-                               const PicturePileImpl* picture_pile,
+                               const RasterSource* raster_source,
                                const gfx::Rect& rect,
                                float scale,
                                RenderingStatsInstrumentation* stats);
 
   // Type-checking downcast routine.
   virtual Rasterizer* AsRasterizer() = 0;
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_RASTER_WORKER_POOL_H_