Move PacedSender ownership to RtpTransportControllerSend.

webrtc/modules/congestion_controller/include/mock/mock_send_side_congestion_controller.h

 /*
  *  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.
  */
 
 #ifndef WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_SEND_SIDE_CONGESTION_CONTROLLER_H_
 #define WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_SEND_SIDE_CONGESTION_CONTROLLER_H_
 
 #include "webrtc/modules/congestion_controller/include/send_side_congestion_controller.h"
 #include "webrtc/test/gmock.h"
 
 namespace webrtc {
 namespace test {
 
 class MockSendSideCongestionController : public SendSideCongestionController {
  public:
   MockSendSideCongestionController(const Clock* clock,
                                    RtcEventLog* event_log,
-                                   PacketRouter* packet_router)
+                                   PacedSender* paced_sender)
       : SendSideCongestionController(clock,
                                      nullptr /* observer */,
                                      event_log,
-                                     packet_router) {}
+                                     paced_sender) {}
 
   MOCK_METHOD3(SetBweBitrates,
                void(int min_bitrate_bps,
                     int start_bitrate_bps,
                     int max_bitrate_bps));
 };
 
 }  // namespace test
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_SEND_SIDE_CONGESTION_CONTROLLER_H_