Add RemoteEstimatorProxy for capturing receive times

webrtc/modules/rtp_rtcp/source/rtcp_packet/transport_feedback.h

 /*
  *  Copyright (c) 2015 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 35 matching lines @@
   int32_t GetBaseTime() const;
   std::vector<TransportFeedback::StatusSymbol> GetStatusVector() const;
   std::vector<int16_t> GetReceiveDeltas() const;
 
   // Get the reference time in microseconds, including any precision loss.
   int64_t GetBaseTimeUs() const;
   // Convenience method for getting all deltas as microseconds. The first delta
   // is relative the base time.
   std::vector<int64_t> GetReceiveDeltasUs() const;
 
+  uint32_t GetPacketSenderSsrc() const;
+  uint32_t GetMediaSourceSsrc() const;
   static const int kDeltaScaleFactor = 250;  // Convert to multiples of 0.25ms.
   static const uint8_t kFeedbackMessageType = 15;  // TODO(sprang): IANA reg?
   static const uint8_t kPayloadType = 205;         // RTPFB, see RFC4585.
 
   static rtc::scoped_ptr<TransportFeedback> ParseFrom(const uint8_t* buffer,
                                                       size_t length);
 
  protected:
   bool Create(uint8_t* packet,
               size_t* position,
@@ skipping 29 matching lines @@
   uint16_t first_symbol_cardinality_;
   bool vec_needs_two_bit_symbols_;
   uint32_t size_bytes_;
 
   DISALLOW_COPY_AND_ASSIGN(TransportFeedback);
 };
 
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TRANSPORT_FEEDBACK_H_