Wire up transport sequence number / send time callbacks to webrtc via libjingle.

talk/media/sctp/sctpdataengine.h

 /*
  * libjingle
  * Copyright 2012 Google Inc. and Robin Seggelmann
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 150 matching lines @@
   // Send data down this channel (will be wrapped as SCTP packets then given to
   // sctp that will then post the network interface by OnMessage).
   // Returns true iff successful data somewhere on the send-queue/network.
   virtual bool SendData(const SendDataParams& params,
                         const rtc::Buffer& payload,
                         SendDataResult* result = NULL);
   // A packet is received from the network interface. Posted to OnMessage.
   virtual void OnPacketReceived(rtc::Buffer* packet,
                                 const rtc::PacketTime& packet_time);
 
+  virtual void OnPacketSent(const rtc::SentPacket& packet_sent) {}
+
   // Exposed to allow Post call from c-callbacks.
   rtc::Thread* worker_thread() const { return worker_thread_; }
 
   // Many of these things are unused by SCTP, but are needed to fulfill
   // the MediaChannel interface.
   virtual void OnRtcpReceived(rtc::Buffer* packet,
                               const rtc::PacketTime& packet_time) {}
   virtual void OnReadyToSend(bool ready) {}
 
   void OnSendThresholdCallback();
@@ skipping 66 matching lines @@
   StreamSet queued_reset_streams_;
   StreamSet sent_reset_streams_;
 
   // A human-readable name for debugging messages.
   std::string debug_name_;
 };
 
 }  // namespace cricket
 
 #endif  // TALK_MEDIA_SCTP_SCTPDATAENGINE_H_