add mediaType field to ssrc stat

talk/app/webrtc/statstypes.cc

 /*
  * libjingle
  * Copyright 2014 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 388 matching lines @@
     case kStatsValueNameTransportId:
       return "transportId";
     case kStatsValueNameSelectedCandidatePairId:
       return "selectedCandidatePairId";
     case kStatsValueNameSsrc:
       return "ssrc";
     case kStatsValueNameState:
       return "state";
     case kStatsValueNameDataChannelId:
       return "datachannelid";
+    case kStatsValueNameMediaType:
+      return "mediaType";
 
     // 'goog' prefixed constants.
     case kStatsValueNameAccelerateRate:
       return "googAccelerateRate";
     case kStatsValueNameActiveConnection:
       return "googActiveConnection";
     case kStatsValueNameActualEncBitrate:
       return "googActualEncBitrate";
     case kStatsValueNameAvailableReceiveBandwidth:
       return "googAvailableReceiveBandwidth";
@@ skipping 352 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) {
   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