Handle pairing_client_id in the negotiating authenticators.

remoting/protocol/negotiating_client_authenticator.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_PROTOCOL_NEGOTIATING_CLIENT_AUTHENTICATOR_H_
 #define REMOTING_PROTOCOL_NEGOTIATING_CLIENT_AUTHENTICATOR_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 42 matching lines @@
   // has a preferred authenticator that can optimistically send an initial
   // message.
   void CreatePreferredAuthenticator();
 
   // Creates a shared-secret authenticator in state |initial_state| with the
   // given |shared_secret|, then runs |resume_callback|.
   void CreateSharedSecretAuthenticator(Authenticator::State initial_state,
                                        const base::Closure& resume_callback,
                                        const std::string& shared_secret);
 
+  bool is_paired();
+
   std::string local_id_;
   std::string remote_id_;
 
   ClientAuthenticationConfig config_;
 
   // Internal NegotiatingClientAuthenticator data.
   bool method_set_by_host_ = false;
   base::WeakPtrFactory<NegotiatingClientAuthenticator> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NegotiatingClientAuthenticator);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_NEGOTIATING_CLIENT_AUTHENTICATOR_H_