Revert of Unify rtcp packet setters

webrtc/modules/rtp_rtcp/source/rtcp_packet/dlrr.cc

 /*
  *  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 63 matching lines @@
   for (const ReceiveTimeInfo& sub_block : sub_blocks_) {
     ByteWriter<uint32_t>::WriteBigEndian(&write_at[0], sub_block.ssrc);
     ByteWriter<uint32_t>::WriteBigEndian(&write_at[4], sub_block.last_rr);
     ByteWriter<uint32_t>::WriteBigEndian(&write_at[8],
                                          sub_block.delay_since_last_rr);
     write_at += kSubBlockLength;
   }
   RTC_DCHECK_EQ(buffer + BlockLength(), write_at);
 }
 
-bool Dlrr::AddDlrrItem(const ReceiveTimeInfo& block) {
+bool Dlrr::WithDlrrItem(const ReceiveTimeInfo& block) {
   if (sub_blocks_.size() >= kMaxNumberOfDlrrItems) {
     LOG(LS_WARNING) << "Max DLRR items reached.";
     return false;
   }
   sub_blocks_.push_back(block);
   return true;
 }
 
-bool Dlrr::AddDlrrItem(uint32_t ssrc,
-                       uint32_t last_rr,
-                       uint32_t delay_last_rr) {
+bool Dlrr::WithDlrrItem(uint32_t ssrc,
+                        uint32_t last_rr,
+                        uint32_t delay_last_rr) {
   ReceiveTimeInfo block;
   block.ssrc = ssrc;
   block.last_rr = last_rr;
   block.delay_since_last_rr = delay_last_rr;
-  return AddDlrrItem(block);
+  return WithDlrrItem(block);
 }
 }  // namespace rtcp
 }  // namespace webrtc