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

webrtc/common_types.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 773 matching lines @@
   }
 
   int64_t timestamp;   // Receive time after socket delivers the data.
   int64_t not_before;  // Earliest possible time the data could have arrived,
                        // indicating the potential error in the |timestamp|
                        // value,in case the system is busy.
                        // For example, the time of the last select() call.
                        // If unknown, this value will be set to zero.
 };
 
+struct SentPacket {
+  SentPacket() : transport_sequence_number(-1), send_time_ms(-1) {}
+  SentPacket(int32_t transport_sequence_number, int64_t send_time_ms)
+      : transport_sequence_number(transport_sequence_number),
+        send_time_ms(send_time_ms) {}
+
+  int32_t transport_sequence_number;
+  int64_t send_time_ms;
+};
+
 struct RTPHeaderExtension {
   RTPHeaderExtension();
 
   bool hasTransmissionTimeOffset;
   int32_t transmissionTimeOffset;
   bool hasAbsoluteSendTime;
   uint32_t absoluteSendTime;
   bool hasTransportSequenceNumber;
   uint16_t transportSequenceNumber;
 
@@ skipping 96 matching lines @@
 class StreamDataCountersCallback {
  public:
   virtual ~StreamDataCountersCallback() {}
 
   virtual void DataCountersUpdated(const StreamDataCounters& counters,
                                    uint32_t ssrc) = 0;
 };
 }  // namespace webrtc
 
 #endif  // WEBRTC_COMMON_TYPES_H_