Add RTC_ prefix to (D)CHECKs and related macros.

webrtc/video/send_statistics_proxy.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 207 matching lines @@
 }
 
 void SendStatisticsProxy::CNameChanged(const char* cname, uint32_t ssrc) {
 }
 
 void SendStatisticsProxy::DataCountersUpdated(
     const StreamDataCounters& counters,
     uint32_t ssrc) {
   rtc::CritScope lock(&crit_);
   VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
-  DCHECK(stats != nullptr) << "DataCountersUpdated reported for unknown ssrc: "
-                           << ssrc;
+  RTC_DCHECK(stats != nullptr)
+      << "DataCountersUpdated reported for unknown ssrc: " << ssrc;
 
   stats->rtp_stats = counters;
 }
 
 void SendStatisticsProxy::Notify(const BitrateStatistics& total_stats,
                                  const BitrateStatistics& retransmit_stats,
                                  uint32_t ssrc) {
   rtc::CritScope lock(&crit_);
   VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
   if (stats == nullptr)
@@ skipping 29 matching lines @@
   ++num_samples;
 }
 
 int SendStatisticsProxy::SampleCounter::Avg(int min_required_samples) const {
   if (num_samples < min_required_samples || num_samples == 0)
     return -1;
   return sum / num_samples;
 }
 
 }  // namespace webrtc