media: Make GpuMemoryBuffers VideoFrame copies asynchronous.

media/mojo/services/mojo_renderer_factory.cc

Index: media/mojo/services/mojo_renderer_factory.cc
diff --git a/media/mojo/services/mojo_renderer_factory.cc b/media/mojo/services/mojo_renderer_factory.cc
index eb8c2bf9d6cf155c3e618eddf59fab1946937b79..aa0b30895d4518c419e884d368f212ffffd1de92 100644
--- a/media/mojo/services/mojo_renderer_factory.cc
+++ b/media/mojo/services/mojo_renderer_factory.cc
@@ -22,6 +22,7 @@ MojoRendererFactory::~MojoRendererFactory() {
 
 scoped_ptr<Renderer> MojoRendererFactory::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(service_factory_);