media: Make GpuMemoryBuffers VideoFrame copies asynchronous.

media/mojo/services/mojo_renderer_service.cc

Index: media/mojo/services/mojo_renderer_service.cc
diff --git a/media/mojo/services/mojo_renderer_service.cc b/media/mojo/services/mojo_renderer_service.cc
index dc5e643838bcdaa2ec09ca494301d65afa0e31ee..054f9bc763adc42461bcc8e7b40b610e0206ede2 100644
--- a/media/mojo/services/mojo_renderer_service.cc
+++ b/media/mojo/services/mojo_renderer_service.cc
@@ -50,15 +50,16 @@ MojoRendererService::MojoRendererService(
 
   // Create renderer.
   if (renderer_factory) {
-    renderer_ = renderer_factory->CreateRenderer(
-        task_runner, audio_renderer_sink_.get(), video_renderer_sink_.get());
+    renderer_ = renderer_factory->CreateRenderer(task_runner, task_runner,
+                                                 audio_renderer_sink_.get(),
+                                                 video_renderer_sink_.get());
   } else {
     scoped_ptr<AudioRenderer> audio_renderer(new AudioRendererImpl(
         task_runner, audio_renderer_sink_.get(),
         mojo_media_client->CreateAudioDecoders(task_runner, media_log).Pass(),
         mojo_media_client->GetAudioHardwareConfig(), media_log));
     scoped_ptr<VideoRenderer> video_renderer(new VideoRendererImpl(
-        task_runner, video_renderer_sink_.get(),
+        task_runner, task_runner, video_renderer_sink_.get(),
         mojo_media_client->CreateVideoDecoders(task_runner, media_log).Pass(),
         true, nullptr, media_log));
     renderer_.reset(new RendererImpl(task_runner, audio_renderer.Pass(),