media: Make GpuMemoryBuffers VideoFrame copies asynchronous.

media/renderers/video_renderer_impl.h

Index: media/renderers/video_renderer_impl.h
diff --git a/media/renderers/video_renderer_impl.h b/media/renderers/video_renderer_impl.h
index 267473a2ad56c06e3b8fdf640ec90d6659d691ef..c2cacb1dbb087b80db15588cbf878406b955bf9c 100644
--- a/media/renderers/video_renderer_impl.h
+++ b/media/renderers/video_renderer_impl.h
@@ -52,7 +52,8 @@ class MEDIA_EXPORT VideoRendererImpl
   //
   // Setting |drop_frames_| to true causes the renderer to drop expired frames.
   VideoRendererImpl(
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
+      const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
+      const scoped_refptr<base::TaskRunner>& worker_task_runner,
       VideoRendererSink* sink,
       ScopedVector<VideoDecoder> decoders,
       bool drop_frames,
@@ -97,6 +98,13 @@ class MEDIA_EXPORT VideoRendererImpl
   void OnVideoFrameStreamInitialized(bool success);
 
   // Callback for |video_frame_stream_| to deliver decoded video frames and
+  // report video decoding status. If a frame is available the planes will be
+  // copied asynchronously and FrameReady will be called once finished copying.
+  void FrameReadyForCopyingToGpuMemoryBuffers(
+      VideoFrameStream::Status status,
+      const scoped_refptr<VideoFrame>& frame);
+
+  // Callback for |video_frame_stream_| to deliver decoded video frames and
   // report video decoding status.
   void FrameReady(VideoFrameStream::Status status,
                   const scoped_refptr<VideoFrame>& frame);