Define RtpTransportControllerSendInterface.

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 60e6f6040cd906f15c7a2b831db58d8b6be30580..9f1c9e0ab9c45a89bfd8545e8b607bd10555a39c 100644
--- a/webrtc/voice_engine/channel.h
+++ b/webrtc/voice_engine/channel.h
@@ -54,6 +54,7 @@ class RtpReceiver;
 class RTPReceiverAudio;
 class RtpPacketReceived;
 class RtpRtcp;
+class RtpTransportControllerSendInterface;
 class TelephoneEventHandler;
 class VoERTPObserver;
 class VoiceEngineObserver;
@@ -273,9 +274,7 @@ class Channel
   void EnableReceiveTransportSequenceNumber(int id);
 
   void RegisterSenderCongestionControlObjects(
-      RtpPacketSender* rtp_packet_sender,
-      TransportFeedbackObserver* transport_feedback_observer,
-      PacketRouter* packet_router,
+      RtpTransportControllerSendInterface* transport,
       RtcpBandwidthObserver* bandwidth_observer);
   void RegisterReceiverCongestionControlObjects(PacketRouter* packet_router);
   void ResetCongestionControlObjects();