Define RtpTransportControllerSendInterface.

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 966abc4868d336ab346c265850e9e0e5edfbf4ec..d86a0f087ce641f5f24799259c31fe83f955c749 100644
--- a/webrtc/voice_engine/channel_proxy.h
+++ b/webrtc/voice_engine/channel_proxy.h
@@ -32,6 +32,7 @@ class RtcpRttStats;
 class RtpPacketSender;
 class RtpReceiver;
 class RtpRtcp;
+class RtpTransportControllerSendInterface;
 class Transport;
 class TransportFeedbackObserver;
 
@@ -61,9 +62,7 @@ class ChannelProxy {
   virtual void EnableSendTransportSequenceNumber(int id);
   virtual void EnableReceiveTransportSequenceNumber(int id);
   virtual void RegisterSenderCongestionControlObjects(
-      RtpPacketSender* rtp_packet_sender,
-      TransportFeedbackObserver* transport_feedback_observer,
-      PacketRouter* packet_router,
+      RtpTransportControllerSendInterface* transport,
       RtcpBandwidthObserver* bandwidth_observer);
   virtual void RegisterReceiverCongestionControlObjects(
       PacketRouter* packet_router);