media: Make GpuMemoryBuffers VideoFrame copies asynchronous.

media/renderers/default_renderer_factory.cc

 // Copyright 2014 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.
 
 #include "media/renderers/default_renderer_factory.h"
 
 #include "base/bind.h"
 #include "build/build_config.h"
 #include "base/single_thread_task_runner.h"
 #include "media/base/media_log.h"
@@ skipping 27 matching lines @@
     : media_log_(media_log),
       gpu_factories_(gpu_factories),
       audio_hardware_config_(audio_hardware_config) {
 }
 
 DefaultRendererFactory::~DefaultRendererFactory() {
 }
 
 scoped_ptr<Renderer> DefaultRendererFactory::CreateRenderer(
     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
+    const scoped_refptr<base::TaskRunner>& worker_task_runner,
     AudioRendererSink* audio_renderer_sink,
     VideoRendererSink* video_renderer_sink) {
   DCHECK(audio_renderer_sink);
 
   // Create our audio decoders and renderer.
   ScopedVector<AudioDecoder> audio_decoders;
 
 #if !defined(MEDIA_DISABLE_FFMPEG)
   audio_decoders.push_back(
       new FFmpegAudioDecoder(media_task_runner, media_log_));
@@ skipping 21 matching lines @@
 
 #if !defined(MEDIA_DISABLE_LIBVPX)
   video_decoders.push_back(new VpxVideoDecoder(media_task_runner));
 #endif
 
 #if !defined(MEDIA_DISABLE_FFMPEG) && !defined(DISABLE_FFMPEG_VIDEO_DECODERS)
   video_decoders.push_back(new FFmpegVideoDecoder(media_task_runner));
 #endif
 
   scoped_ptr<VideoRenderer> video_renderer(new VideoRendererImpl(
-      media_task_runner, video_renderer_sink, video_decoders.Pass(), true,
-      gpu_factories_, media_log_));
+      media_task_runner, worker_task_runner, video_renderer_sink,
+      video_decoders.Pass(), true, gpu_factories_, media_log_));
 
   // Create renderer.
   return scoped_ptr<Renderer>(new RendererImpl(
       media_task_runner, audio_renderer.Pass(), video_renderer.Pass()));
 }
 
 }  // namespace media