Revert of Unify rtcp packet setters

webrtc/modules/rtp_rtcp/source/rtcp_packet/voip_metric.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 17 matching lines @@
   ~VoipMetric() {}
 
   VoipMetric& operator=(const VoipMetric&) = default;
 
   void Parse(const uint8_t* buffer);
 
   // Fills buffer with the VoipMetric.
   // Consumes VoipMetric::kLength bytes.
   void Create(uint8_t* buffer) const;
 
-  void SetMediaSsrc(uint32_t ssrc) { ssrc_ = ssrc; }
-  void SetVoipMetric(const RTCPVoIPMetric& voip_metric) {
+  void To(uint32_t ssrc) { ssrc_ = ssrc; }
+  void WithVoipMetric(const RTCPVoIPMetric& voip_metric) {
     voip_metric_ = voip_metric;
   }
 
   uint32_t ssrc() const { return ssrc_; }
   const RTCPVoIPMetric& voip_metric() const { return voip_metric_; }
 
  private:
   uint32_t ssrc_;
   RTCPVoIPMetric voip_metric_;
 };
 
 }  // namespace rtcp
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_VOIP_METRIC_H_