Passing frame decoded callback to the codec

media/cast/video_receiver/video_decoder.h

Index: media/cast/video_receiver/video_decoder.h
diff --git a/media/cast/video_receiver/video_decoder.h b/media/cast/video_receiver/video_decoder.h
index e98768c215c840d8e2a04f1cd6c5608f094837ba..e23a86b76bc23650d6d11064c9c210962b555bbe 100644
--- a/media/cast/video_receiver/video_decoder.h
+++ b/media/cast/video_receiver/video_decoder.h
@@ -19,14 +19,15 @@ class Vp8Decoder;
 // thread.
 class VideoDecoder : public base::NonThreadSafe {
  public:
-  explicit VideoDecoder(const VideoReceiverConfig& video_config);
+  VideoDecoder(const VideoReceiverConfig& video_config,
+               scoped_refptr<CastEnvironment> cast_environment);
   virtual ~VideoDecoder();
 
-  // Decode a video frame. Decoded (raw) frame will be returned in the
-  // provided video_frame.
+  // Decode a video frame. Decoded (raw) frame will be returned via the
+  // provided callback
   bool DecodeVideoFrame(const EncodedVideoFrame* encoded_frame,
                         const base::TimeTicks render_time,
-                        I420VideoFrame* video_frame);
+                        const VideoFrameDecodedCallback& frame_decoded_cb);
 
  private:
   VideoCodec codec_;