media: Make GpuMemoryBuffers VideoFrame copies asynchronous.

chromecast/renderer/media/chromecast_media_renderer_factory.h

 // Copyright 2015 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 CHROMECAST_RENDERER_MEDIA_CHROMECAST_MEDIA_RENDERER_FACTORY_H_
 #define CHROMECAST_RENDERER_MEDIA_CHROMECAST_MEDIA_RENDERER_FACTORY_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/renderer_factory.h"
@@ skipping 12 matching lines @@
  public:
   ChromecastMediaRendererFactory(
       const scoped_refptr<::media::GpuVideoAcceleratorFactories>& gpu_factories,
       const scoped_refptr<::media::MediaLog>& media_log,
       int render_frame_id);
   ~ChromecastMediaRendererFactory() final;
 
   // ::media::RendererFactory implementation.
   scoped_ptr<::media::Renderer> CreateRenderer(
       const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
+      const scoped_refptr<base::TaskRunner>& worker_task_runner,
       ::media::AudioRendererSink* audio_renderer_sink,
       ::media::VideoRendererSink* video_renderer_sink) final;
 
  private:
   int render_frame_id_;
   scoped_refptr<::media::GpuVideoAcceleratorFactories> gpu_factories_;
   scoped_refptr<::media::MediaLog> media_log_;
   scoped_ptr<::media::DefaultRendererFactory> default_render_factory_;
 
   // Audio config for the default media renderer.
   scoped_ptr<::media::AudioHardwareConfig> audio_config_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromecastMediaRendererFactory);
 };
 
 }  // namespace media
 }  // namespace chromecast
 
 #endif  // CHROMECAST_RENDERER_MEDIA_CHROMECAST_MEDIA_RENDERER_FACTORY_H_