Expose codec implementation names in stats.

talk/app/webrtc/statstypes.h

 /*
  * libjingle
  * Copyright 2012 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 103 matching lines @@
     kStatsReportTypeDataChannel,
   };
 
   enum StatsValueName {
     kStatsValueNameActiveConnection,
     kStatsValueNameAudioInputLevel,
     kStatsValueNameAudioOutputLevel,
     kStatsValueNameBytesReceived,
     kStatsValueNameBytesSent,
     kStatsValueNameDataChannelId,
+    kStatsValueNameDecoderImplementationName,
+    kStatsValueNameEncoderImplementationName,
     kStatsValueNamePacketsLost,
     kStatsValueNamePacketsReceived,
     kStatsValueNamePacketsSent,
     kStatsValueNameProtocol,
     kStatsValueNameReceiving,
     kStatsValueNameSelectedCandidatePairId,
     kStatsValueNameSsrc,
     kStatsValueNameState,
     kStatsValueNameTransportId,
 
@@ skipping 274 matching lines @@
   StatsReport* Find(const StatsReport::Id& id);
 
  private:
   Container list_;
   rtc::ThreadChecker thread_checker_;
 };
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_STATSTYPES_H_