Add QP stats for received video streams to StatsReport.

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 183 matching lines @@
     kStatsValueNameLocalCandidateType,
     kStatsValueNameLocalCertificateId,
     kStatsValueNameMaxDecodeMs,
     kStatsValueNameMinPlayoutDelayMs,
     kStatsValueNameNacksReceived,
     kStatsValueNameNacksSent,
     kStatsValueNamePlisReceived,
     kStatsValueNamePlisSent,
     kStatsValueNamePreemptiveExpandRate,
     kStatsValueNamePreferredJitterBufferMs,
+    kStatsValueNameQpReceived,
     kStatsValueNameRemoteAddress,
     kStatsValueNameRemoteCandidateId,
     kStatsValueNameRemoteCandidateType,
     kStatsValueNameRemoteCertificateId,
     kStatsValueNameRenderDelayMs,
     kStatsValueNameRetransmitBitrate,
     kStatsValueNameRtt,
     kStatsValueNameSecondaryDecodedRate,
     kStatsValueNameSendPacketsDiscarded,
     kStatsValueNameSpeechExpandRate,
@@ skipping 194 matching lines @@
   StatsReport* Find(const StatsReport::Id& id);
 
  private:
   Container list_;
   rtc::ThreadChecker thread_checker_;
 };
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_STATSTYPES_H_