RTCStatsIntegrationTest added.

webrtc/api/test/peerconnectiontestwrapper.h

Index: webrtc/api/test/peerconnectiontestwrapper.h
diff --git a/webrtc/api/test/peerconnectiontestwrapper.h b/webrtc/api/test/peerconnectiontestwrapper.h
index 3cdac492f1910fd297ee7673191f7282d526eb0a..6433e8fb05546e60f65736ef0ac04bfccb6f5265 100644
--- a/webrtc/api/test/peerconnectiontestwrapper.h
+++ b/webrtc/api/test/peerconnectiontestwrapper.h
@@ -43,6 +43,8 @@ class PeerConnectionTestWrapper
       const webrtc::MediaConstraintsInterface* constraints,
       const webrtc::PeerConnectionInterface::RTCConfiguration& config);
 
+  webrtc::PeerConnectionInterface* pc() { return peer_connection_.get(); }
+
   rtc::scoped_refptr<webrtc::DataChannelInterface> CreateDataChannel(
       const std::string& label,
       const webrtc::DataChannelInit& init);