Style cleanup in UpdateTmmbr:

webrtc/modules/rtp_rtcp/source/rtcp_sender.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 964 matching lines @@
 void RTCPSender::SendRtcpXrReceiverReferenceTime(bool enable) {
   rtc::CritScope lock(&critical_section_rtcp_sender_);
   xr_send_receiver_reference_time_enabled_ = enable;
 }
 
 bool RTCPSender::RtcpXrReceiverReferenceTime() const {
   rtc::CritScope lock(&critical_section_rtcp_sender_);
   return xr_send_receiver_reference_time_enabled_;
 }
 
-// no callbacks allowed inside this function
-void RTCPSender::SetTMMBN(const std::vector<rtcp::TmmbItem>* bounding_set) {
+void RTCPSender::SetTmmbn(std::vector<rtcp::TmmbItem> bounding_set) {
   rtc::CritScope lock(&critical_section_rtcp_sender_);
-  if (bounding_set) {
-    tmmbn_to_send_ = *bounding_set;
-  } else {
-    tmmbn_to_send_.clear();
-  }
+  tmmbn_to_send_ = std::move(bounding_set);
   SetFlag(kRtcpTmmbn, true);
 }
 
 void RTCPSender::SetFlag(RTCPPacketType type, bool is_volatile) {
   report_flags_.insert(ReportFlag(type, is_volatile));
 }
 
 void RTCPSender::SetFlags(const std::set<RTCPPacketType>& types,
                           bool is_volatile) {
   for (RTCPPacketType type : types)
@@ skipping 46 matching lines @@
     // but we can't because of an incorrect warning (C4822) in MVS 2013.
   } sender(transport_, event_log_);
 
   RTC_DCHECK_LE(max_payload_length_, static_cast<size_t>(IP_PACKET_SIZE));
   uint8_t buffer[IP_PACKET_SIZE];
   return packet.BuildExternalBuffer(buffer, max_payload_length_, &sender) &&
          !sender.send_failure_;
 }
 
 }  // namespace webrtc