Revert of Add framerate to VideoSinkWants and ability to signal on overuse

webrtc/media/engine/webrtcvideoengine2.h

Index: webrtc/media/engine/webrtcvideoengine2.h
diff --git a/webrtc/media/engine/webrtcvideoengine2.h b/webrtc/media/engine/webrtcvideoengine2.h
index 0a2f4a5d86f71906b03939100812ba53aa7f2689..309a84d924d1474233587c8cbd420837427a95e6 100644
--- a/webrtc/media/engine/webrtcvideoengine2.h
+++ b/webrtc/media/engine/webrtcvideoengine2.h
@@ -324,9 +324,6 @@
     // and whether or not the encoding in |rtp_parameters_| is active.
     void UpdateSendState();
 
-    webrtc::VideoSendStream::DegradationPreference GetDegradationPreference()
-        const EXCLUSIVE_LOCKS_REQUIRED(&thread_checker_);
-
     rtc::ThreadChecker thread_checker_;
     rtc::AsyncInvoker invoker_;
     rtc::Thread* worker_thread_;