Handle pairing_client_id in the negotiating authenticators.

remoting/protocol/pairing_host_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_PAIRING_HOST_AUTHENTICATOR_H_
 #define REMOTING_PROTOCOL_PAIRING_HOST_AUTHENTICATOR_H_
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "remoting/protocol/pairing_authenticator_base.h"
 #include "remoting/protocol/pairing_registry.h"
 
 namespace remoting {
 namespace protocol {
 
 class PairingRegistry;
 
 class PairingHostAuthenticator : public PairingAuthenticatorBase {
  public:
   PairingHostAuthenticator(
       scoped_refptr<PairingRegistry> pairing_registry,
       const CreateBaseAuthenticatorCallback& create_base_authenticator_callback,
       const std::string& pin);
   ~PairingHostAuthenticator() override;
 
+  // Initialize the authenticator with the given |client_id| in
+  // |preferred_initial_state|.
+  void Initialize(const std::string& client_id,
+                  Authenticator::State preferred_initial_state,
+                  const base::Closure& resume_callback);
+
   // Authenticator interface.
   State state() const override;
   RejectionReason rejection_reason() const override;
-  void ProcessMessage(const buzz::XmlElement* message,
-                      const base::Closure& resume_callback) override;
 
  private:
   // PairingAuthenticatorBase overrides.
   void CreateSpakeAuthenticatorWithPin(
       State initial_state,
       const base::Closure& resume_callback) override;
-  void AddPairingElements(buzz::XmlElement* message) override;
 
-  // Continue processing a protocol message once the pairing information for
-  // the client id has been received.
-  void ProcessMessageWithPairing(const buzz::XmlElement* message,
-                                 const base::Closure& resume_callback,
-                                 PairingRegistry::Pairing pairing);
+  // Continue initializing once the pairing information for the client id has
+  // been received.
+  void InitializeWithPairing(Authenticator::State preferred_initial_state,
+                             const base::Closure& resume_callback,
+                             PairingRegistry::Pairing pairing);
 
   // Protocol state.
   scoped_refptr<PairingRegistry> pairing_registry_;
   CreateBaseAuthenticatorCallback create_base_authenticator_callback_;
   std::string pin_;
   bool protocol_error_ = false;
   bool waiting_for_paired_secret_ = false;
 
   base::WeakPtrFactory<PairingHostAuthenticator> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PairingHostAuthenticator);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_PAIRING_AUTHENTICATOR_H_