Cast: deliver video frames on the IO thread

content/renderer/media/webrtc/video_destination_handler_unittest.cc

 // Copyright (c) 2013 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 <string>
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/child/child_process.h"
@@ skipping 60 matching lines @@
   blink::WebVector<blink::WebMediaStreamTrack> video_tracks;
   test_stream.videoTracks(video_tracks);
   ASSERT_EQ(1u, video_tracks.size());
 
   // Verify the native video track has been added.
   MediaStreamVideoTrack* native_track =
       MediaStreamVideoTrack::GetVideoTrack(video_tracks[0]);
   ASSERT_TRUE(native_track != NULL);
 
   MockMediaStreamVideoSink sink;
-  native_track->AddSink(&sink);
-
-  scoped_refptr<PPB_ImageData_Impl> image(
+  native_track->AddSink(&sink, sink.GetDeliverFrameCB());
+   scoped_refptr<PPB_ImageData_Impl> image(
       new PPB_ImageData_Impl(instance()->pp_instance(),
                              PPB_ImageData_Impl::ForTest()));
   image->Init(PP_IMAGEDATAFORMAT_BGRA_PREMUL, 640, 360, true);
   {
     base::RunLoop run_loop;
     base::Closure quit_closure = run_loop.QuitClosure();
 
     EXPECT_CALL(sink, OnVideoFrame()).WillOnce(
         RunClosure(quit_closure));
     frame_writer->PutFrame(image, 10);
     run_loop.Run();
   }
   // TODO(perkj): Verify that the track output I420 when
   // https://codereview.chromium.org/213423006/ is landed.
   EXPECT_EQ(1, sink.number_of_frames());
   native_track->RemoveSink(&sink);
 
   // The |frame_writer| is a proxy and is owned by whoever call Open.
   delete frame_writer;
 }
 
 }  // namespace content