Add QP stats for received video streams to StatsReport.

talk/app/webrtc/statscollector.cc

 /*
  * 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 201 matching lines @@
     { StatsReport::kStatsValueNameFrameRateReceived, info.framerate_rcvd },
     { StatsReport::kStatsValueNameFrameWidthReceived, info.frame_width },
     { StatsReport::kStatsValueNameJitterBufferMs, info.jitter_buffer_ms },
     { StatsReport::kStatsValueNameMaxDecodeMs, info.max_decode_ms },
     { StatsReport::kStatsValueNameMinPlayoutDelayMs,
       info.min_playout_delay_ms },
     { StatsReport::kStatsValueNameNacksSent, info.nacks_sent },
     { StatsReport::kStatsValueNamePacketsLost, info.packets_lost },
     { StatsReport::kStatsValueNamePacketsReceived, info.packets_rcvd },
     { StatsReport::kStatsValueNamePlisSent, info.plis_sent },
+    { StatsReport::kStatsValueNameQpReceived, info.qp },
     { StatsReport::kStatsValueNameRenderDelayMs, info.render_delay_ms },
     { StatsReport::kStatsValueNameTargetDelayMs, info.target_delay_ms },
   };
 
   for (const auto& i : ints)
     report->AddInt(i.name, i.value);
 }
 
 void ExtractStats(const cricket::VideoSenderInfo& info, StatsReport* report) {
   ExtractCommonSendProperties(info, report);
@@ skipping 704 matching lines @@
     StatsReport* report = entry.second;
     report->set_timestamp(stats_gathering_started_);
   }
 }
 
 void StatsCollector::ClearUpdateStatsCacheForTest() {
   stats_gathering_started_ = 0;
 }
 
 }  // namespace webrtc