Potential fix for rtx/red issue where red is removed only from the remote description.

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 5c84a79b537f3df6722ba8638f4f4964e289d133..d0131254dfdf4e0bfcdc7bd8b0d68df13e0531c6 100644
--- a/webrtc/media/engine/webrtcvideoengine2.h
+++ b/webrtc/media/engine/webrtcvideoengine2.h
@@ -223,7 +223,7 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
   void SetOptions(uint32_t ssrc, const VideoOptions& options);
 
   void ConfigureReceiverRtp(webrtc::VideoReceiveStream::Config* config,
-                            const StreamParams& sp) const;
+                            const StreamParams& sp);
   bool CodecIsExternallySupported(const std::string& name) const;
   bool ValidateSendSsrcAvailability(const StreamParams& sp) const
       EXCLUSIVE_LOCKS_REQUIRED(stream_crit_);
@@ -436,6 +436,8 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
 
     VideoReceiverInfo GetVideoReceiverInfo();
 
+    void DisableFec();

[Taylor Brandstetter, 2016/05/09 18:40:36]

May want to explain why this exists in a comment, and add a TODO to remove it
(if applicable).

[stefan-webrtc, 2016/05/16 08:49:55]

Done.

+
    private:
     struct AllocatedDecoder {
       AllocatedDecoder(webrtc::VideoDecoder* decoder,
@@ -536,6 +538,7 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
   VideoSendParameters send_params_;
   VideoOptions default_send_options_;
   VideoRecvParameters recv_params_;
+  rtc::Optional<bool> red_enabled_remote_peer_;
 };
 
 }  // namespace cricket