Replace rtcp packet parsing in the RtcpReceiver.

webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.cc

 /*
  *  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 17 matching lines @@
       rpsiPictureId(0),
       receiverEstimatedMaxBitrate(0),
       ntp_secs(0),
       ntp_frac(0),
       rtp_timestamp(0),
       xr_originator_ssrc(0),
       xr_dlrr_item(false) {}
 
 RTCPPacketInformation::~RTCPPacketInformation() {}
 
-void RTCPPacketInformation::ResetNACKPacketIdArray() {
-  nackSequenceNumbers.clear();
-}
-
-void RTCPPacketInformation::AddNACKPacket(const uint16_t packetID) {
-  if (nackSequenceNumbers.size() >= kSendSideNackListSizeSanity) {
-    return;
-  }
-  nackSequenceNumbers.push_back(packetID);
-}
-
 void RTCPPacketInformation::AddReportInfo(
     const RTCPReportBlockInformation& report_block_info) {
   this->rtt = report_block_info.RTT;
   report_blocks.push_back(report_block_info.remoteReceiveBlock);
 }
 
 RTCPReportBlockInformation::RTCPReportBlockInformation()
     : remoteReceiveBlock(),
       remoteMaxJitter(0),
       RTT(0),
@@ skipping 33 matching lines @@
     }
   }
 }
 
 void RTCPReceiveInformation::ClearTmmbr() {
   tmmbr_.clear();
 }
 
 }  // namespace RTCPHelp
 }  // namespace webrtc