media: Optimize HW Video to 2D Canvas copy.

content/renderer/media/webmediaplayer_impl.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 CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_IMPL_H_
 #define CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_IMPL_H_
 
 #include <string>
 #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 "base/threading/thread.h"
 #include "content/renderer/media/buffered_data_source_host_impl.h"
 #include "content/renderer/media/video_frame_compositor.h"
 #include "media/base/audio_renderer_sink.h"
 // TODO(xhwang): Remove when we remove prefixed EME implementation.
 #include "media/base/media_keys.h"
 #include "media/base/pipeline.h"
 #include "media/base/text_track.h"
 #include "media/filters/skcanvas_video_renderer.h"
 #include "skia/ext/platform_canvas.h"
 #include "third_party/WebKit/public/platform/WebAudioSourceProvider.h"
 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h"
-#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h"
 #include "url/gurl.h"
 
 namespace blink {
+class WebGraphicsContext3D;
 class WebLocalFrame;
 }
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace cc_blink {
 class WebLayerImpl;
 }
@@ skipping 272 matching lines @@
   scoped_ptr<EncryptedMediaPlayerSupport> encrypted_media_support_;
 
   const media::AudioHardwareConfig& audio_hardware_config_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_IMPL_H_