Remove thread checker from CongestionController.

webrtc/modules/congestion_controller/congestion_controller.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 150 matching lines @@
       min_bitrate_bps_);
 }
 
 CongestionController::~CongestionController() {
 }
 
 
 void CongestionController::SetBweBitrates(int min_bitrate_bps,
                                           int start_bitrate_bps,
                                           int max_bitrate_bps) {
-  RTC_DCHECK(config_thread_checker_.CalledOnValidThread());
   // TODO(holmer): We should make sure the default bitrates are set to 10 kbps,
   // and that we don't try to set the min bitrate to 0 from any applications.
   // The congestion controller should allow a min bitrate of 0.
   const int kMinBitrateBps = 10000;
   if (min_bitrate_bps < kMinBitrateBps)
     min_bitrate_bps = kMinBitrateBps;
   if (max_bitrate_bps > 0)
     max_bitrate_bps = std::max(min_bitrate_bps, max_bitrate_bps);
   if (start_bitrate_bps > 0) {
     start_bitrate_bps = std::max(min_bitrate_bps, start_bitrate_bps);
@@ skipping 15 matching lines @@
     bool send_side_bwe) {
   if (send_side_bwe) {
     return &remote_estimator_proxy_;
   } else {
     return remote_bitrate_estimator_.get();
   }
 }
 
 TransportFeedbackObserver*
 CongestionController::GetTransportFeedbackObserver() {
-  RTC_DCHECK(config_thread_checker_.CalledOnValidThread());
   return &transport_feedback_adapter_;
 }
 
 void CongestionController::UpdatePacerBitrate(int bitrate_kbps,
                                               int max_bitrate_kbps,
                                               int min_bitrate_kbps) {
   pacer_->UpdateBitrate(bitrate_kbps, max_bitrate_kbps, min_bitrate_kbps);
 }
 
 int64_t CongestionController::GetPacerQueuingDelayMs() const {
@@ skipping 22 matching lines @@
   return std::min(bitrate_controller_->TimeUntilNextProcess(),
                   remote_bitrate_estimator_->TimeUntilNextProcess());
 }
 
 void CongestionController::Process() {
   bitrate_controller_->Process();
   remote_bitrate_estimator_->Process();
 }
 
 }  // namespace webrtc