Make VideoReceiveStream not inherit from I420FrameCallback.

webrtc/video/video_receive_stream.cc

Index: webrtc/video/video_receive_stream.cc
diff --git a/webrtc/video/video_receive_stream.cc b/webrtc/video/video_receive_stream.cc
index cee820a7daacb6e4a855c73ebbb5620cc3f68bae..770fc96fc30fe2b23509fb1b550e8c8a48ff5f6e 100644
--- a/webrtc/video/video_receive_stream.cc
+++ b/webrtc/video/video_receive_stream.cc
@@ -181,7 +181,7 @@ VideoReceiveStream::VideoReceiveStream(
                             rtp_stream_receiver_.IsFecEnabled(),
                             &stats_proxy_,
                             &incoming_video_stream_,
-                            this),
+                            config.pre_render_callback),
       vie_sync_(&video_receiver_) {
   LOG(LS_INFO) << "VideoReceiveStream: " << config_.ToString();
 
@@ -290,17 +290,9 @@ VideoReceiveStream::Stats VideoReceiveStream::GetStats() const {
   return stats_proxy_.GetStats();
 }
 
-void VideoReceiveStream::FrameCallback(VideoFrame* video_frame) {
+void VideoReceiveStream::OnFrame(const VideoFrame& video_frame) {
   stats_proxy_.OnDecodedFrame();
 
-  // Post processing is not supported if the frame is backed by a texture.
-  if (!video_frame->video_frame_buffer()->native_handle()) {
-    if (config_.pre_render_callback)
-      config_.pre_render_callback->FrameCallback(video_frame);
-  }
-}
-
-void VideoReceiveStream::OnFrame(const VideoFrame& video_frame) {
   int64_t sync_offset_ms;
   if (vie_sync_.GetStreamSyncOffsetInMs(video_frame, &sync_offset_ms))
     stats_proxy_.OnSyncOffsetUpdated(sync_offset_ms);