Reland of move ignored return code from modules.

webrtc/modules/rtp_rtcp/source/receive_statistics_impl.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 436 matching lines @@
 
 void ReceiveStatisticsImpl::SetMaxReorderingThreshold(
     int max_reordering_threshold) {
   CriticalSectionScoped cs(receive_statistics_lock_.get());
   for (StatisticianImplMap::iterator it = statisticians_.begin();
        it != statisticians_.end(); ++it) {
     it->second->SetMaxReorderingThreshold(max_reordering_threshold);
   }
 }
 
-int32_t ReceiveStatisticsImpl::Process() {
+void ReceiveStatisticsImpl::Process() {
   CriticalSectionScoped cs(receive_statistics_lock_.get());
   for (StatisticianImplMap::iterator it = statisticians_.begin();
        it != statisticians_.end(); ++it) {
     it->second->ProcessBitrate();
   }
   last_rate_update_ms_ = clock_->TimeInMilliseconds();
-  return 0;
 }
 
 int64_t ReceiveStatisticsImpl::TimeUntilNextProcess() {
   CriticalSectionScoped cs(receive_statistics_lock_.get());
   int64_t time_since_last_update = clock_->TimeInMilliseconds() -
       last_rate_update_ms_;
   return std::max<int64_t>(
       kStatisticsProcessIntervalMs - time_since_last_update, 0);
 }
 
@@ skipping 48 matching lines @@
 StreamStatistician* NullReceiveStatistics::GetStatistician(
     uint32_t ssrc) const {
   return NULL;
 }
 
 void NullReceiveStatistics::SetMaxReorderingThreshold(
     int max_reordering_threshold) {}
 
 int64_t NullReceiveStatistics::TimeUntilNextProcess() { return 0; }
 
-int32_t NullReceiveStatistics::Process() { return 0; }
+void NullReceiveStatistics::Process() {}
 
 void NullReceiveStatistics::RegisterRtcpStatisticsCallback(
     RtcpStatisticsCallback* callback) {}
 
 void NullReceiveStatistics::RegisterRtpStatisticsCallback(
     StreamDataCountersCallback* callback) {}
 
 }  // namespace webrtc