Replace NULL with nullptr in webrtc/video.

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 389 matching lines @@
 }
 
 void SendStatisticsProxy::OnSetRates(uint32_t bitrate_bps, int framerate) {
   rtc::CritScope lock(&crit_);
   stats_.target_media_bitrate_bps = bitrate_bps;
 }
 
 void SendStatisticsProxy::OnSendEncodedImage(
     const EncodedImage& encoded_image,
     const RTPVideoHeader* rtp_video_header) {
-  size_t simulcast_idx =
-      rtp_video_header != nullptr ? rtp_video_header->simulcastIdx : 0;
+  size_t simulcast_idx = rtp_video_header ? rtp_video_header->simulcastIdx : 0;
   if (simulcast_idx >= config_.rtp.ssrcs.size()) {
     LOG(LS_ERROR) << "Encoded image outside simulcast range (" << simulcast_idx
                   << " >= " << config_.rtp.ssrcs.size() << ").";
     return;
   }
   uint32_t ssrc = config_.rtp.ssrcs[simulcast_idx];
 
   rtc::CritScope lock(&crit_);
   VideoSendStream::StreamStats* stats = GetStatsEntry(ssrc);
   if (stats == nullptr)
@@ skipping 21 matching lines @@
   }
   if (encoded_image.adapt_reason_.bw_resolutions_disabled != -1) {
     bool bw_limited = encoded_image.adapt_reason_.bw_resolutions_disabled > 0;
     uma_container_->bw_limited_frame_counter_.Add(bw_limited);
     if (bw_limited) {
       uma_container_->bw_resolutions_disabled_counter_.Add(
           encoded_image.adapt_reason_.bw_resolutions_disabled);
     }
   }
 
-  if (encoded_image.qp_ != -1 && rtp_video_header != nullptr &&
+  if (encoded_image.qp_ != -1 && rtp_video_header &&
       rtp_video_header->codec == kRtpVideoVp8) {
     int spatial_idx =
         (config_.rtp.ssrcs.size() == 1) ? -1 : static_cast<int>(simulcast_idx);
     uma_container_->qp_counters_[spatial_idx].vp8.Add(encoded_image.qp_);
   }
 
   // TODO(asapersson): This is incorrect if simulcast layers are encoded on
   // different threads and there is no guarantee that one frame of all layers
   // are encoded before the next start.
   if (last_sent_frame_timestamp_ > 0 &&
@@ skipping 46 matching lines @@
   uma_container_->report_block_stats_.Store(statistics, 0, ssrc);
 }
 
 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);
-  RTC_DCHECK(stats != nullptr)
-      << "DataCountersUpdated reported for unknown ssrc: " << ssrc;
+  RTC_DCHECK(stats) << "DataCountersUpdated reported for unknown ssrc: "
+                    << ssrc;
 
   stats->rtp_stats = counters;
   if (uma_container_->first_rtp_stats_time_ms_ == -1)
     uma_container_->first_rtp_stats_time_ms_ = clock_->TimeInMilliseconds();
 }
 
 void SendStatisticsProxy::Notify(const BitrateStatistics& total_stats,
                                  const BitrateStatistics& retransmit_stats,
                                  uint32_t ssrc) {
   rtc::CritScope lock(&crit_);
@@ skipping 56 matching lines @@
   return Fraction(min_required_samples, 1000.0f);
 }
 
 int SendStatisticsProxy::BoolSampleCounter::Fraction(
     int min_required_samples, float multiplier) const {
   if (num_samples < min_required_samples || num_samples == 0)
     return -1;
   return static_cast<int>((sum * multiplier / num_samples) + 0.5f);
 }
 }  // namespace webrtc