Reland of move ignored return code from modules.

webrtc/modules/rtp_rtcp/source/receive_statistics_impl.h

 /*
  *  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 94 matching lines @@
   void IncomingPacket(const RTPHeader& header,
                       size_t packet_length,
                       bool retransmitted) override;
   void FecPacketReceived(const RTPHeader& header,
                          size_t packet_length) override;
   StatisticianMap GetActiveStatisticians() const override;
   StreamStatistician* GetStatistician(uint32_t ssrc) const override;
   void SetMaxReorderingThreshold(int max_reordering_threshold) override;
 
   // Implement Module.
-  int32_t Process() override;
+  void Process() override;
   int64_t TimeUntilNextProcess() override;
 
   void RegisterRtcpStatisticsCallback(
       RtcpStatisticsCallback* callback) override;
 
   void RegisterRtpStatisticsCallback(
       StreamDataCountersCallback* callback) override;
 
  private:
   void StatisticsUpdated(const RtcpStatistics& statistics,
                          uint32_t ssrc) override;
   void CNameChanged(const char* cname, uint32_t ssrc) override;
   void DataCountersUpdated(const StreamDataCounters& counters,
                            uint32_t ssrc) override;
 
   typedef std::map<uint32_t, StreamStatisticianImpl*> StatisticianImplMap;
 
   Clock* clock_;
   rtc::scoped_ptr<CriticalSectionWrapper> receive_statistics_lock_;
   int64_t last_rate_update_ms_;
   StatisticianImplMap statisticians_;
 
   RtcpStatisticsCallback* rtcp_stats_callback_;
   StreamDataCountersCallback* rtp_stats_callback_;
 };
 }  // namespace webrtc
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RECEIVE_STATISTICS_IMPL_H_