RTCMediaStreamTrackStats.ssrcIds collected by RTCStatsCollector.

webrtc/api/stats/rtcstats_objects.h

 /*
  *  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 218 matching lines @@
   RTCMediaStreamTrackStats(std::string&& id, int64_t timestamp_us);
   RTCMediaStreamTrackStats(const RTCMediaStreamTrackStats& other);
   ~RTCMediaStreamTrackStats() override;
 
   RTCStatsMember<std::string> track_identifier;
   RTCStatsMember<bool> remote_source;
   RTCStatsMember<bool> ended;
   // TODO(hbos): |RTCStatsCollector| does not return stats for detached tracks.
   // crbug.com/659137
   RTCStatsMember<bool> detached;
-  // TODO(hbos): Not collected by |RTCStatsCollector|. crbug.com/659137
   RTCStatsMember<std::vector<std::string>> ssrc_ids;
   // Video-only members
   RTCStatsMember<uint32_t> frame_width;
   RTCStatsMember<uint32_t> frame_height;
   // TODO(hbos): Not collected by |RTCStatsCollector|. crbug.com/659137
   RTCStatsMember<double> frames_per_second;
   // TODO(hbos): Not collected by |RTCStatsCollector|. crbug.com/659137
   RTCStatsMember<uint32_t> frames_sent;
   // TODO(hbos): Not collected by |RTCStatsCollector|. crbug.com/659137
   RTCStatsMember<uint32_t> frames_received;
@@ skipping 138 matching lines @@
   RTCStatsMember<std::string> rtcp_transport_stats_id;
   RTCStatsMember<bool> active_connection;
   RTCStatsMember<std::string> selected_candidate_pair_id;
   RTCStatsMember<std::string> local_certificate_id;
   RTCStatsMember<std::string> remote_certificate_id;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_STATS_RTCSTATS_OBJECTS_H_