Move PacedSender ownership to RtpTransportControllerSend.

webrtc/call/rtp_transport_controller_send.cc

 /*
  *  Copyright (c) 2017 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.
  */
 
 #include "webrtc/call/rtp_transport_controller_send.h"
 
 namespace webrtc {
 
 RtpTransportControllerSend::RtpTransportControllerSend(
     Clock* clock,
     webrtc::RtcEventLog* event_log)
-    : send_side_cc_(clock, nullptr /* observer */, event_log, &packet_router_) {
-}
+    : pacer_(clock, &packet_router_, event_log),
+      send_side_cc_(clock, nullptr /* observer */, event_log, &pacer_) {}
 
 PacketRouter* RtpTransportControllerSend::packet_router() {
   return &packet_router_;
 }
 
+PacedSender* RtpTransportControllerSend::pacer() {
+  return &pacer_;
+}
+
 SendSideCongestionController* RtpTransportControllerSend::send_side_cc() {
   return &send_side_cc_;
 }
 
 TransportFeedbackObserver*
 RtpTransportControllerSend::transport_feedback_observer() {
   return &send_side_cc_;
 }
 
 RtpPacketSender* RtpTransportControllerSend::packet_sender() {
-  return send_side_cc_.pacer();
+  return &pacer_;
 }
 
 const RtpKeepAliveConfig& RtpTransportControllerSend::keepalive_config() const {
   return keepalive_;
 }
 
+void RtpTransportControllerSend::SetAllocatedSendBitrateLimits(
+    int min_send_bitrate_bps,
+    int max_padding_bitrate_bps) {
+  pacer_.SetSendBitrateLimits(min_send_bitrate_bps, max_padding_bitrate_bps);
+}
+
 void RtpTransportControllerSend::SetKeepAliveConfig(
     const RtpKeepAliveConfig& config) {
   keepalive_ = config;
 }
 
 }  // namespace webrtc