Attach TransportFeedbackPacketLossTracker to ANA (PLR only)

webrtc/voice_engine/channel.h

Index: webrtc/voice_engine/channel.h
diff --git a/webrtc/voice_engine/channel.h b/webrtc/voice_engine/channel.h
index 62adc5bdff58dc8db53ad99d4b3d191dcf5133e3..9ee546f206a613a96711d4ed83b01e78cec5966c 100644
--- a/webrtc/voice_engine/channel.h
+++ b/webrtc/voice_engine/channel.h
@@ -34,6 +34,7 @@
 #include "webrtc/voice_engine/include/voe_network.h"
 #include "webrtc/voice_engine/level_indicator.h"
 #include "webrtc/voice_engine/shared_data.h"
+#include "webrtc/voice_engine/transport_feedback_packet_loss_tracker.h"
 #include "webrtc/voice_engine/voice_engine_defines.h"
 
 namespace rtc {
@@ -420,6 +421,10 @@ class Channel
   // From OverheadObserver in the RTP/RTCP module
   void OnOverheadChanged(size_t overhead_bytes_per_packet) override;
 
+  void HandleTransportFeedback(
+    const std::vector<uint16_t>& packets_sent_since_last_feedback,
+    const rtcp::TransportFeedback& feedback);
+
  protected:
   void OnIncomingFractionLoss(int fraction_lost);
 
@@ -554,6 +559,9 @@ class Channel
 
   // TODO(ossu): Remove once GetAudioDecoderFactory() is no longer needed.
   rtc::scoped_refptr<AudioDecoderFactory> decoder_factory_;
+
+  bool use_twcc_plr_for_ana_;
+  TransportFeedbackPacketLossTracker packet_loss_tracker_;
 };
 
 }  // namespace voe