Simplify AuthenticationMethod type and PIN hash handling.

remoting/protocol/me2me_host_authenticator_factory.h

 // Copyright (c) 2012 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_ME2ME_HOST_AUTHENTICATOR_FACTORY_H_
 #define REMOTING_PROTOCOL_ME2ME_HOST_AUTHENTICATOR_FACTORY_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "remoting/protocol/authentication_method.h"
 #include "remoting/protocol/authenticator.h"
 #include "remoting/protocol/third_party_host_authenticator.h"
 #include "remoting/protocol/token_validator.h"
 
 namespace remoting {
 
 class RsaKeyPair;
 
 namespace protocol {
 
 class PairingRegistry;
 
 class Me2MeHostAuthenticatorFactory : public AuthenticatorFactory {
  public:
   // Create a factory that dispenses shared secret authenticators.
-  static scoped_ptr<AuthenticatorFactory> CreateWithSharedSecret(
+  static scoped_ptr<AuthenticatorFactory> CreateWithPin(
       bool use_service_account,
       const std::string& host_owner,
       const std::string& local_cert,
       scoped_refptr<RsaKeyPair> key_pair,
       const std::string& required_client_domain,
-      const SharedSecretHash& shared_secret_hash,
+      const std::string& pin_hash,
       scoped_refptr<PairingRegistry> pairing_registry);
 
   // Create a factory that dispenses third party authenticators.
   static scoped_ptr<AuthenticatorFactory> CreateWithThirdPartyAuth(
       bool use_service_account,
       const std::string& host_owner,
       const std::string& local_cert,
       scoped_refptr<RsaKeyPair> key_pair,
       const std::string& required_client_domain,
       scoped_ptr<TokenValidatorFactory> token_validator_factory);
 
   Me2MeHostAuthenticatorFactory();
   ~Me2MeHostAuthenticatorFactory() override;
 
   // AuthenticatorFactory interface.
   scoped_ptr<Authenticator> CreateAuthenticator(
       const std::string& local_jid,
       const std::string& remote_jid,
       const buzz::XmlElement* first_message) override;
 
  private:
   // Used for all host authenticators.
   bool use_service_account_;
   std::string host_owner_;
   std::string local_cert_;
   scoped_refptr<RsaKeyPair> key_pair_;
   std::string required_client_domain_;
 
-  // Used only for shared secret host authenticators.
-  SharedSecretHash shared_secret_hash_;
+  // Used only for PIN-based host authenticators.
+  std::string pin_hash_;
 
   // Used only for third party host authenticators.
   scoped_ptr<TokenValidatorFactory> token_validator_factory_;
 
   // Used only for pairing host authenticators.
   scoped_refptr<PairingRegistry> pairing_registry_;
 
   DISALLOW_COPY_AND_ASSIGN(Me2MeHostAuthenticatorFactory);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_ME2ME_HOST_AUTHENTICATOR_FACTORY_H_