PeerConnection[Interface]::GetStats(RTCStatsCollectorCallback*) added.

webrtc/api/peerconnection.cc

Index: webrtc/api/peerconnection.cc
diff --git a/webrtc/api/peerconnection.cc b/webrtc/api/peerconnection.cc
index bdd33d7d371003d15197f10579413fb253421263..144b1c64b55862b066f595e3737d89a43a251d05 100644
--- a/webrtc/api/peerconnection.cc
+++ b/webrtc/api/peerconnection.cc
@@ -632,6 +632,7 @@ bool PeerConnection::Initialize(
               configuration.redetermine_role_on_ice_restart))));
 
   stats_.reset(new StatsCollector(this));
+  stats_collector_ = RTCStatsCollector::Create(this);
 
   enable_ice_renomination_ = configuration.enable_ice_renomination;
 
@@ -888,6 +889,11 @@ bool PeerConnection::GetStats(StatsObserver* observer,
   return true;
 }
 
+void PeerConnection::GetStats(RTCStatsCollectorCallback* callback) {
+  RTC_DCHECK(stats_collector_);
+  stats_collector_->GetStatsReport(callback);
+}
+
 PeerConnectionInterface::SignalingState PeerConnection::signaling_state() {
   return signaling_state_;
 }