Attach TransportFeedbackPacketLossTracker to ANA (PLR only)

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 349 matching lines @@
   }
   if ((frequency != kFreq16000Hz) && (frequency != kFreq32000Hz)) {
     // It is not possible to modify the payload type for CN/8000.
     // We only allow modification of the CN payload type for CN/16000
     // and CN/32000.
     return false;
   }
   return channel()->SetSendCNPayloadType(type, frequency) == 0;
 }
 
+void ChannelProxy::OnTwccBasedUplinkPacketLossRate(float packet_loss_rate) {

[stefan-webrtc, 2017/03/22 12:03:01]

Most methods here have thread checks. Should this one have one?

[the sun, 2017/03/22 12:06:42]

Yes.

[elad.alon_webrtc.org, 2017/03/22 14:34:47]

Done.

+  channel()->OnTwccBasedUplinkPacketLossRate(packet_loss_rate);
+}
+
 Channel* ChannelProxy::channel() const {
   RTC_DCHECK(channel_owner_.channel());
   return channel_owner_.channel();
 }
 
 }  // namespace voe
 }  // namespace webrtc