Reland "Update rtt on audio only calls".

webrtc/voice_engine/channel_proxy.cc

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 231 matching lines @@
     const ChannelProxy& send_channel_proxy) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   channel()->set_associate_send_channel(send_channel_proxy.channel_owner_);
 }
 
 void ChannelProxy::DisassociateSendChannel() {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   channel()->set_associate_send_channel(ChannelOwner(nullptr));
 }
 
+void ChannelProxy::SetRtcpRttStats(RtcpRttStats* rtcp_rtt_stats) {
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
+  channel()->SetRtcpRttStats(rtcp_rtt_stats);
+}
+
 Channel* ChannelProxy::channel() const {
   RTC_DCHECK(channel_owner_.channel());
   return channel_owner_.channel();
 }
 
 }  // namespace voe
 }  // namespace webrtc