Add statistics gathering for packet loss.

webrtc/modules/rtp_rtcp/mocks/mock_rtp_rtcp.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 149 matching lines @@
   MOCK_METHOD1(SendRTCPReferencePictureSelection,
       int32_t(const uint64_t pictureID));
   MOCK_METHOD1(SendRTCPSliceLossIndication,
       int32_t(const uint8_t pictureID));
   MOCK_METHOD0(ResetSendDataCountersRTP,
       int32_t());
   MOCK_CONST_METHOD2(DataCountersRTP,
       int32_t(size_t *bytesSent, uint32_t *packetsSent));
   MOCK_CONST_METHOD2(GetSendStreamDataCounters,
       void(StreamDataCounters*, StreamDataCounters*));
+  MOCK_CONST_METHOD3(GetRtpPacketLossStats,
+      void(bool, uint32_t, struct RtpPacketLossStats*));
   MOCK_METHOD1(RemoteRTCPStat,
       int32_t(RTCPSenderInfo* senderInfo));
   MOCK_CONST_METHOD1(RemoteRTCPStat,
       int32_t(std::vector<RTCPReportBlock>* receiveBlocks));
   MOCK_METHOD4(SetRTCPApplicationSpecificData,
       int32_t(const uint8_t subType, const uint32_t name, const uint8_t* data, const uint16_t length));
   MOCK_METHOD1(SetRTCPVoIPMetrics,
       int32_t(const RTCPVoIPMetric* VoIPMetric));
   MOCK_METHOD1(SetRtcpXrRrtrStatus,
       void(bool enable));
@@ skipping 73 matching lines @@
       void(StreamDataCountersCallback*));
   MOCK_CONST_METHOD0(GetSendChannelRtpStatisticsCallback,
       StreamDataCountersCallback*(void));
   // Members.
   unsigned int remote_ssrc_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_MOCKS_MOCK_RTP_RTCP_H_