media: Make GpuMemoryBuffers VideoFrame copies asynchronous.

media/mojo/services/mojo_renderer_factory.h

 // 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.
 
 #ifndef MEDIA_MOJO_SERVICES_MOJO_RENDERER_FACTORY_H_
 #define MEDIA_MOJO_SERVICES_MOJO_RENDERER_FACTORY_H_
 
 #include "media/base/media_export.h"
 #include "media/base/renderer_factory.h"
 #include "media/mojo/interfaces/renderer.mojom.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_ptr.h"
 
 namespace media {
 
 namespace interfaces {
 class ServiceFactory;
 }
 
 // The default factory class for creating MojoRendererImpl.
 class MEDIA_EXPORT MojoRendererFactory : public RendererFactory {
  public:
   explicit MojoRendererFactory(interfaces::ServiceFactory* service_factory);
   ~MojoRendererFactory() final;
 
   scoped_ptr<Renderer> 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) final;
 
  private:
   interfaces::ServiceFactory* service_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoRendererFactory);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_MOJO_SERVICES_MOJO_RENDERER_FACTORY_H_