Add AEC filter divergence metric to StatsCollector.

webrtc/api/statstypes.cc

 /*
  *  Copyright 2014 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 345 matching lines @@
   return *value_.string_;
 }
 
 bool StatsReport::Value::bool_val() const {
   RTC_DCHECK(type_ == kBool);
   return value_.bool_;
 }
 
 const char* StatsReport::Value::display_name() const {
   switch (name) {
+    case kStatsValueNameAecDivergentFilterFraction:
+      return "aecDivergentFilterFraction";
     case kStatsValueNameAudioOutputLevel:
       return "audioOutputLevel";
     case kStatsValueNameAudioInputLevel:
       return "audioInputLevel";
     case kStatsValueNameBytesSent:
       return "bytesSent";
     case kStatsValueNamePacketsSent:
       return "packetsSent";
     case kStatsValueNameBytesReceived:
       return "bytesReceived";
@@ skipping 380 matching lines @@
 // Looks for a report with the given |id|.  If one is not found, NULL
 // will be returned.
 StatsReport* StatsCollection::Find(const StatsReport::Id& id) {
   RTC_DCHECK(thread_checker_.CalledOnValidThread());
   Container::iterator it = std::find_if(list_.begin(), list_.end(),
       [&id](const StatsReport* r)->bool { return r->id()->Equals(id); });
   return it == list_.end() ? nullptr : *it;
 }
 
 }  // namespace webrtc