Set actual transport overhead in rtp_rtcp

webrtc/media/engine/webrtcvoiceengine.cc

Index: webrtc/media/engine/webrtcvoiceengine.cc
diff --git a/webrtc/media/engine/webrtcvoiceengine.cc b/webrtc/media/engine/webrtcvoiceengine.cc
index d1d5827eacc08276c99d96b3ca8971a0abf61a41..07027e8fc1bd6d3acccaec0765828b1558827df0 100644
--- a/webrtc/media/engine/webrtcvoiceengine.cc
+++ b/webrtc/media/engine/webrtcvoiceengine.cc
@@ -2406,6 +2406,13 @@ void WebRtcVoiceMediaChannel::OnReadyToSend(bool ready) {
       ready ? webrtc::kNetworkUp : webrtc::kNetworkDown);
 }
 
+void WebRtcVoiceMediaChannel::OnTransportOverheadChange(
+    int transport_overhead_per_packet) {
+  RTC_DCHECK(worker_thread_checker_.CalledOnValidThread());
+  call_->SignalTransportOverheadChange(webrtc::MediaType::AUDIO,
+                                       transport_overhead_per_packet);
+}
+
 bool WebRtcVoiceMediaChannel::GetStats(VoiceMediaInfo* info) {
   TRACE_EVENT0("webrtc", "WebRtcVoiceMediaChannel::GetStats");
   RTC_DCHECK(worker_thread_checker_.CalledOnValidThread());