| Index: webrtc/pc/videotrack.h | 
| diff --git a/webrtc/pc/videotrack.h b/webrtc/pc/videotrack.h | 
| index 6e20e978b9b2edcc3e4e1fd4e1c703593e3e3cc9..d0f0618b43b12d2a7d9bf7a339bc058cf6248ddf 100644 | 
| --- a/webrtc/pc/videotrack.h | 
| +++ b/webrtc/pc/videotrack.h | 
| @@ -55,7 +55,7 @@ class VideoTrack : public MediaStreamTrack<VideoTrackInterface>, | 
| rtc::Thread* const worker_thread_; | 
| rtc::ThreadChecker signaling_thread_checker_; | 
| rtc::scoped_refptr<VideoTrackSourceInterface> video_source_; | 
| -  ContentHint content_hint_ GUARDED_BY(signaling_thread_checker_); | 
| +  ContentHint content_hint_ RTC_GUARDED_BY(signaling_thread_checker_); | 
| }; | 
|  | 
| }  // namespace webrtc | 
|  |