Add reporting of googContentType via GetStats on send side

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 521 matching lines @@
     uma_container_->retransmit_byte_counter_.ProcessAndStopPause();
     uma_container_->fec_byte_counter_.ProcessAndStopPause();
   }
 }
 
 VideoSendStream::Stats SendStatisticsProxy::GetStats() {
   rtc::CritScope lock(&crit_);
   PurgeOldStats();
   stats_.input_frame_rate =
       round(uma_container_->input_frame_rate_tracker_.ComputeRate());
+  stats_.content_type =
+      content_type_ == VideoEncoderConfig::ContentType::kRealtimeVideo
+          ? VideoContentType::UNSPECIFIED
+          : VideoContentType::SCREENSHARE;
   return stats_;
 }
 
 void SendStatisticsProxy::PurgeOldStats() {
   int64_t old_stats_ms = clock_->TimeInMilliseconds() - kStatsTimeoutMs;
   for (std::map<uint32_t, VideoSendStream::StreamStats>::iterator it =
            stats_.substreams.begin();
        it != stats_.substreams.end(); ++it) {
     uint32_t ssrc = it->first;
     if (update_times_[ssrc].resolution_update_ms <= old_stats_ms) {
@@ skipping 379 matching lines @@
 }
 
 int SendStatisticsProxy::BoolSampleCounter::Fraction(
     int64_t 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