Report timing frames info in GetStats.

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 acc497b616433e771a2259247f1360cbd1619095..f21cf720a67d4fb0a5edadaa3c5ce312d2b4d5df 100644
--- a/webrtc/video/video_receive_stream.cc
+++ b/webrtc/video/video_receive_stream.cc
@@ -344,6 +344,11 @@ VideoReceiveStream::Stats VideoReceiveStream::GetStats() const {
   return stats_proxy_.GetStats();
 }
 
+rtc::Optional<TimingFrameInfo>
+VideoReceiveStream::GetAndResetTimingFrameInfo() {
+  return stats_proxy_.GetAndResetTimingFrameInfo();
+}
+
 void VideoReceiveStream::EnableEncodedFrameRecording(rtc::PlatformFile file,
                                                      size_t byte_limit) {
   {