Prepare the AudioSendStream to be hooked up to send-side BWE.

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 46 matching lines @@
   int error = channel()->SetReceiveAbsoluteSenderTimeStatus(enable, id);
   RTC_DCHECK_EQ(0, error);
 }
 
 void ChannelProxy::SetReceiveAudioLevelIndicationStatus(bool enable, int id) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   int error = channel()->SetReceiveAudioLevelIndicationStatus(enable, id);
   RTC_DCHECK_EQ(0, error);
 }
 
+void ChannelProxy::SetSendTransportSequenceNumber(int id) {

[the sun, 2015/12/01 10:25:36]

soo nit: but can you please move me with the other senders, I feel so lonely
(and in the .h, and in the mock)?

[stefan-webrtc, 2015/12/01 16:19:33]

Done.

+  RTC_DCHECK(channel_owner_.channel());

[the sun, 2015/12/01 10:25:36]

no need for this DCHECK; already done in channel()

[stefan-webrtc, 2015/12/01 16:19:33]

Done.

+  channel()->SetSendTransportSequenceNumber(id);
+}
+
+void ChannelProxy::SetCongestionControlObjects(
+    RtpPacketSender* rtp_packet_sender,
+    TransportFeedbackObserver* transport_feedback_observer,
+    PacketRouter* packet_router) {
+  RTC_DCHECK(channel_owner_.channel());
+  channel()->SetCongestionControlObjects(
+      rtp_packet_sender, transport_feedback_observer, packet_router);
+}
+
 CallStatistics ChannelProxy::GetRTCPStatistics() const {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   CallStatistics stats = {0};
   int error = channel()->GetRTPStatistics(stats);
   RTC_DCHECK_EQ(0, error);
   return stats;
 }
 
 std::vector<ReportBlock> ChannelProxy::GetRemoteRTCPReportBlocks() const {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 28 matching lines @@
 
 uint32_t ChannelProxy::GetDelayEstimate() const {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   return channel()->GetDelayEstimate();
 }
 
 Channel* ChannelProxy::channel() const {
   RTC_DCHECK(channel_owner_.channel());
   return channel_owner_.channel();
 }
+
 }  // namespace voe
 }  // namespace webrtc