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

webrtc/video/rtp_stream_receiver.cc

Index: webrtc/video/rtp_stream_receiver.cc
diff --git a/webrtc/video/rtp_stream_receiver.cc b/webrtc/video/rtp_stream_receiver.cc
index 6def90f708feac9a74b151a1e34418777af3a198..996e7a5f7c5a201b4aa63d07edf8ee9ab37e5bb6 100644
--- a/webrtc/video/rtp_stream_receiver.cc
+++ b/webrtc/video/rtp_stream_receiver.cc
@@ -454,4 +454,11 @@ bool RtpStreamReceiver::IsPacketRetransmitted(const RTPHeader& header,
   return !in_order &&
       statistician->IsRetransmitOfOldPacket(header, min_rtt);
 }
+
+void RtpStreamReceiver::DisableFec() {
+  LOG(LS_ERROR) << "Disable red: "
+                << static_cast<int>(rtp_payload_registry_.red_payload_type());
+  rtp_payload_registry_.DeRegisterReceivePayload(
+      rtp_payload_registry_.red_payload_type());
+}
 }  // namespace webrtc