Reland of move ignored return code from modules.

webrtc/modules/remote_bitrate_estimator/remote_bitrate_estimator_abs_send_time.cc

 /*
  *  Copyright (c) 2013 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 315 matching lines @@
       update_estimate = remote_rate_.ValidEstimate();
       ssrcs = Keys(ssrcs_);
     }
   }
   if (update_estimate) {
     last_update_ms_ = now_ms;
     observer_->OnReceiveBitrateChanged(ssrcs, target_bitrate_bps);
   }
 }
 
-int32_t RemoteBitrateEstimatorAbsSendTime::Process() {
-  return 0;
-}
+void RemoteBitrateEstimatorAbsSendTime::Process() {}
 
 int64_t RemoteBitrateEstimatorAbsSendTime::TimeUntilNextProcess() {
   const int64_t kDisabledModuleTime = 1000;
   return kDisabledModuleTime;
 }
 
 void RemoteBitrateEstimatorAbsSendTime::TimeoutStreams(int64_t now_ms) {
   for (Ssrcs::iterator it = ssrcs_.begin(); it != ssrcs_.end();) {
     if ((now_ms - it->second) > kStreamTimeOutMs) {
       ssrcs_.erase(it++);
@@ skipping 45 matching lines @@
   return true;
 }
 
 void RemoteBitrateEstimatorAbsSendTime::SetMinBitrate(int min_bitrate_bps) {
   // Called from both the configuration thread and the network thread. Shouldn't
   // be called from the network thread in the future.
   rtc::CritScope lock(&crit_);
   remote_rate_.SetMinBitrate(min_bitrate_bps);
 }
 }  // namespace webrtc