Cleanup RtpSender hiding RtpHeaderExtensionLength function.

webrtc/modules/rtp_rtcp/source/rtp_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 204 matching lines @@
 bool RTPSender::IsRtpHeaderExtensionRegistered(RTPExtensionType type) {
   rtc::CritScope lock(&send_critsect_);
   return rtp_header_extension_map_.IsRegistered(type);
 }
 
 int32_t RTPSender::DeregisterRtpHeaderExtension(RTPExtensionType type) {
   rtc::CritScope lock(&send_critsect_);
   return rtp_header_extension_map_.Deregister(type);
 }
 
-size_t RTPSender::RtpHeaderExtensionLength() const {
-  rtc::CritScope lock(&send_critsect_);
-  return rtp_header_extension_map_.GetTotalLengthInBytes();
-}
-
 int32_t RTPSender::RegisterPayload(
     const char payload_name[RTP_PAYLOAD_NAME_SIZE],
     int8_t payload_number,
     uint32_t frequency,
     size_t channels,
     uint32_t rate) {
   RTC_DCHECK_LT(strlen(payload_name), RTP_PAYLOAD_NAME_SIZE);
   rtc::CritScope lock(&send_critsect_);
 
   std::map<int8_t, RtpUtility::Payload*>::iterator it =
@@ skipping 731 matching lines @@
 
   rtc::CritScope lock(&statistics_crit_);
   bitrate_callback_->Notify(total_bitrate_sent_.Rate(now_ms).value_or(0),
                             nack_bitrate_sent_.Rate(now_ms).value_or(0), ssrc);
 }
 
 size_t RTPSender::RtpHeaderLength() const {
   rtc::CritScope lock(&send_critsect_);
   size_t rtp_header_length = kRtpHeaderLength;
   rtp_header_length += sizeof(uint32_t) * csrcs_.size();
-  rtp_header_length += RtpHeaderExtensionLength();
+  rtp_header_length += rtp_header_extension_map_.GetTotalLengthInBytes();
   return rtp_header_length;
 }
 
 uint16_t RTPSender::AllocateSequenceNumber(uint16_t packets_to_send) {
   rtc::CritScope lock(&send_critsect_);
   uint16_t first_allocated_sequence_number = sequence_number_;
   sequence_number_ += packets_to_send;
   return first_allocated_sequence_number;
 }
 
@@ skipping 323 matching lines @@
       return;
     }
     rtp_overhead_bytes_per_packet_ = packet.headers_size();
     overhead_bytes_per_packet =
         rtp_overhead_bytes_per_packet_ + transport_overhead_bytes_per_packet_;
   }
   overhead_observer_->OnOverheadChanged(overhead_bytes_per_packet);
 }
 
 }  // namespace webrtc