Use separate rtp module lists for send and receive in PacketRouter.

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 14bfc2bba0dd35dc979ca5b09b2e014aedd078cf..889214b0aaf579edba1a44f13d64050263c51c3e 100644
--- a/webrtc/voice_engine/channel.h
+++ b/webrtc/voice_engine/channel.h
@@ -339,10 +339,12 @@ class Channel
   void EnableSendTransportSequenceNumber(int id);
   void EnableReceiveTransportSequenceNumber(int id);
 
-  void SetCongestionControlObjects(
-      RtpPacketSender* rtp_packet_sender,
-      TransportFeedbackObserver* transport_feedback_observer,
-      PacketRouter* packet_router);
+    void RegisterSenderCongestionControlObjects(
+        RtpPacketSender* rtp_packet_sender,
+        TransportFeedbackObserver* transport_feedback_observer,
+        PacketRouter* packet_router);
+    void RegisterReceiverCongestionControlObjects(PacketRouter* packet_router);
+    void ResetCongestionControlObjects();
 
   void SetRTCPStatus(bool enable);
   int GetRTCPStatus(bool& enabled);