Attach TransportFeedbackPacketLossTracker to ANA (PLR only)

webrtc/voice_engine/channel_proxy.h

Index: webrtc/voice_engine/channel_proxy.h
diff --git a/webrtc/voice_engine/channel_proxy.h b/webrtc/voice_engine/channel_proxy.h
index 28d036446a295a87c8f1ccd62c713a0f201d1f66..1ae491746d1fddef15bdf762be4bd7637d63aa69 100644
--- a/webrtc/voice_engine/channel_proxy.h
+++ b/webrtc/voice_engine/channel_proxy.h
@@ -24,6 +24,8 @@
 
 namespace webrtc {
 
+struct SentTransportPacketRecord;
+
 class AudioSinkInterface;
 class PacketRouter;
 class RtcEventLog;
@@ -36,6 +38,10 @@ class RtpRtcp;
 class Transport;
 class TransportFeedbackObserver;
 
+namespace rtcp {
+class TransportFeedback;
+}  // namespace rtcp
+
 namespace voe {
 
 class Channel;
@@ -117,6 +123,10 @@ class ChannelProxy {
   virtual bool SetSendCodec(const CodecInst& codec_inst);
   virtual bool SetSendCNPayloadType(int type, PayloadFrequencies frequency);
 
+  void HandleTransportFeedback(const std::vector<SentTransportPacketRecord>&
+                                   packets_sent_since_last_feedback,
+                               const rtcp::TransportFeedback& feedback);
+
  private:
   Channel* channel() const;