RTCMediaStreamTrackStats.framesDecoded collected.

webrtc/api/rtcstatscollector.cc

 /*
  *  Copyright 2016 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 418 matching lines @@
       video_track, video_track_stats.get());
   video_track_stats->remote_source = true;
   video_track_stats->detached = false;
   if (video_receiver_info.frame_width > 0 &&
       video_receiver_info.frame_height > 0) {
     video_track_stats->frame_width = static_cast<uint32_t>(
         video_receiver_info.frame_width);
     video_track_stats->frame_height = static_cast<uint32_t>(
         video_receiver_info.frame_height);
   }
+  // TODO(hbos): When we support receiving simulcast, this should be the total
+  // number of frames correctly decoded, independent of which SSRC it was
+  // received from. Since we don't support that, this is correct and is the same
+  // value as "RTCInboundRTPStreamStats.framesDecoded". crbug.com/659137
+  video_track_stats->frames_decoded = video_receiver_info.frames_decoded;
   return video_track_stats;
 }
 
 void ProduceMediaStreamAndTrackStats(
     int64_t timestamp_us,
     const TrackMediaInfoMap& track_media_info_map,
     rtc::scoped_refptr<StreamCollectionInterface> streams,
     bool is_local,
     RTCStatsReport* report) {
   // TODO(hbos): When "AddTrack" is implemented we should iterate tracks to
@@ skipping 760 matching lines @@
     const std::string& type) {
   return CandidateTypeToRTCIceCandidateType(type);
 }
 
 const char* DataStateToRTCDataChannelStateForTesting(
     DataChannelInterface::DataState state) {
   return DataStateToRTCDataChannelState(state);
 }
 
 }  // namespace webrtc