media: Optimize HW Video to 2D Canvas copy.

cc/resources/video_resource_updater.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_VIDEO_RESOURCE_UPDATER_H_
 #define CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "cc/base/cc_export.h"
 #include "cc/resources/release_callback.h"
 #include "cc/resources/resource_format.h"
 #include "cc/resources/texture_mailbox.h"
 #include "ui/gfx/size.h"
 
 namespace media {
-class SkCanvasVideoRenderer;
 class VideoFrame;
 }
 
 namespace cc {
 class ContextProvider;
 class ResourceProvider;
+class SkCanvasVideoRenderer;
 
 class CC_EXPORT VideoFrameExternalResources {
  public:
   // Specifies what type of data is contained in the mailboxes, as well as how
   // many mailboxes will be present.
   enum ResourceType {
     NONE,
     YUV_RESOURCE,
     RGB_RESOURCE,
     STREAM_TEXTURE_RESOURCE,
@@ skipping 68 matching lines @@
                               RecycleResourceData data,
                               uint32 sync_point,
                               bool lost_resource);
   static void ReturnTexture(base::WeakPtr<VideoResourceUpdater> updater,
                             const scoped_refptr<media::VideoFrame>& video_frame,
                             uint32 sync_point,
                             bool lost_resource);
 
   ContextProvider* context_provider_;
   ResourceProvider* resource_provider_;
-  scoped_ptr<media::SkCanvasVideoRenderer> video_renderer_;
+  scoped_ptr<SkCanvasVideoRenderer> video_renderer_;
 
   std::vector<unsigned> all_resources_;
   std::vector<PlaneResource> recycled_resources_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoResourceUpdater);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_VIDEO_RESOURCE_UPDATER_H_