Adding GetConfiguration to PeerConnection.

webrtc/api/peerconnection.h

Index: webrtc/api/peerconnection.h
diff --git a/webrtc/api/peerconnection.h b/webrtc/api/peerconnection.h
index 740958528dacbb0737bc20bb0bc0667f36d6357a..e23c02a25125e4dc5f1d1a26544a0ccd9fa17f6a 100644
--- a/webrtc/api/peerconnection.h
+++ b/webrtc/api/peerconnection.h
@@ -129,6 +129,7 @@ class PeerConnection : public PeerConnectionInterface,
                            SessionDescriptionInterface* desc) override;
   void SetRemoteDescription(SetSessionDescriptionObserver* observer,
                             SessionDescriptionInterface* desc) override;
+  PeerConnectionInterface::RTCConfiguration GetConfiguration() override;
   bool SetConfiguration(
       const PeerConnectionInterface::RTCConfiguration& configuration) override;
   bool AddIceCandidate(const IceCandidateInterface* candidate) override;
@@ -387,6 +388,7 @@ class PeerConnection : public PeerConnectionInterface,
   SignalingState signaling_state_;
   IceConnectionState ice_connection_state_;
   IceGatheringState ice_gathering_state_;
+  PeerConnectionInterface::RTCConfiguration configuration_;
 
   std::unique_ptr<cricket::PortAllocator> port_allocator_;
   // The EventLog needs to outlive the media controller.
@@ -418,8 +420,6 @@ class PeerConnection : public PeerConnectionInterface,
 
   bool remote_peer_supports_msid_ = false;
 
-  bool enable_ice_renomination_ = false;
-
   std::vector<rtc::scoped_refptr<RtpSenderProxyWithInternal<RtpSenderInternal>>>
       senders_;
   std::vector<