Minor cleanup in IncomingVideoStream.

webrtc/common_video/include/incoming_video_stream.h

Index: webrtc/common_video/include/incoming_video_stream.h
diff --git a/webrtc/common_video/include/incoming_video_stream.h b/webrtc/common_video/include/incoming_video_stream.h
index 32e3184ce97ba83e501dcaa770b8457f3241c42f..40f35fe005d431b2cfc64423cb3f870d0de7f9a5 100644
--- a/webrtc/common_video/include/incoming_video_stream.h
+++ b/webrtc/common_video/include/incoming_video_stream.h
@@ -31,9 +31,6 @@ class IncomingVideoStream : public rtc::VideoSinkInterface<VideoFrame> {
   // Overrides VideoSinkInterface
   void OnFrame(const VideoFrame& video_frame) override;
 
-  // Set callback to the platform dependent code.
-  void SetRenderCallback(rtc::VideoSinkInterface<VideoFrame>* render_callback);
-
   // Callback for file recording, snapshot, ...
   void SetExternalCallback(rtc::VideoSinkInterface<VideoFrame>* render_object);
 
@@ -74,8 +71,6 @@ class IncomingVideoStream : public rtc::VideoSinkInterface<VideoFrame> {
   bool running_ GUARDED_BY(stream_critsect_);
   rtc::VideoSinkInterface<VideoFrame>* external_callback_
       GUARDED_BY(thread_critsect_);
-  rtc::VideoSinkInterface<VideoFrame>* render_callback_
-      GUARDED_BY(thread_critsect_);
   const std::unique_ptr<VideoRenderFrames> render_buffers_
       GUARDED_BY(buffer_critsect_);