Revert of Unify rtcp packet setters

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

 /*
  *  Copyright (c) 2016 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 16 matching lines @@
 class ExtendedReports : public RtcpPacket {
  public:
   static constexpr uint8_t kPacketType = 207;
 
   ExtendedReports();
   ~ExtendedReports() override;
 
   // Parse assumes header is already parsed and validated.
   bool Parse(const CommonHeader& packet);
 
-  void SetSenderSsrc(uint32_t ssrc) { sender_ssrc_ = ssrc; }
+  void From(uint32_t ssrc) { sender_ssrc_ = ssrc; }
 
   // Max 50 items of each of {Rrtr, Dlrr, VoipMetric} allowed per Xr.
-  bool AddRrtr(const Rrtr& rrtr);
-  bool AddDlrr(const Dlrr& dlrr);
-  bool AddVoipMetric(const VoipMetric& voip_metric);
+  bool WithRrtr(const Rrtr& rrtr);
+  bool WithDlrr(const Dlrr& dlrr);
+  bool WithVoipMetric(const VoipMetric& voip_metric);
 
   uint32_t sender_ssrc() const { return sender_ssrc_; }
   const std::vector<Rrtr>& rrtrs() const { return rrtr_blocks_; }
   const std::vector<Dlrr>& dlrrs() const { return dlrr_blocks_; }
   const std::vector<VoipMetric>& voip_metrics() const {
     return voip_metric_blocks_;
   }
 
  protected:
   bool Create(uint8_t* packet,
@@ skipping 25 matching lines @@
   uint32_t sender_ssrc_;
   std::vector<Rrtr> rrtr_blocks_;
   std::vector<Dlrr> dlrr_blocks_;
   std::vector<VoipMetric> voip_metric_blocks_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(ExtendedReports);
 };
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_EXTENDED_REPORTS_H_