Multi-step authentication support in JingleSession.

remoting/protocol/jingle_session.h

Index: remoting/protocol/jingle_session.h
diff --git a/remoting/protocol/jingle_session.h b/remoting/protocol/jingle_session.h
index 75f061fec8d0cf57d3b563b4a5f050f149796525..93c90bbfb20483fddb165c08ee5fc9aee94a32d8 100644
--- a/remoting/protocol/jingle_session.h
+++ b/remoting/protocol/jingle_session.h
@@ -74,12 +74,13 @@ class JingleSession : public protocol::Session,
   bool InitializeConfigFromDescription(
       const cricket::SessionDescription* description);
 
-  // Used for Session.SignalState sigslot.
+  // Handlers for |cricket_session_| signals.
   void OnSessionState(cricket::BaseSession* session,
                       cricket::BaseSession::State state);
-  // Used for Session.SignalError sigslot.
   void OnSessionError(cricket::BaseSession* session,
                       cricket::BaseSession::Error error);
+  void OnSessionInfoMessage(cricket::Session* session,
+                            const buzz::XmlElement* message);
 
   void OnInitiate();
   void OnAccept();
@@ -89,6 +90,8 @@ class JingleSession : public protocol::Session,
   // accepts/rejects connection.
   void AcceptConnection();
 
+  void ProcessAuthenticationStep();
+
   void AddChannelConnector(const std::string& name,
                            JingleChannelConnector* connector);