Add policy to restrict client domain for Me2Me.

remoting/protocol/it2me_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_IT2ME_HOST_AUTHENTICATOR_FACTORY_H_
 #define REMOTING_PROTOCOL_IT2ME_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/authenticator.h"
 
 namespace remoting {
 
 class RsaKeyPair;
 
 namespace protocol {
 
 // It2MeHostAuthenticatorFactory implements AuthenticatorFactory and
 // understands both the V2 and legacy V1 authentication mechanisms.
 class It2MeHostAuthenticatorFactory : public AuthenticatorFactory {
  public:
   It2MeHostAuthenticatorFactory(
       const std::string& local_cert,
       scoped_refptr<RsaKeyPair> key_pair,
-      const std::string& shared_secret);
+      const std::string& shared_secret,
+      const std::string& required_client_domain);
   ~It2MeHostAuthenticatorFactory() override;
 
   // AuthenticatorFactory interface.
   scoped_ptr<Authenticator> CreateAuthenticator(
       const std::string& local_jid,
       const std::string& remote_jid,
       const buzz::XmlElement* first_message) override;
 
  private:
   std::string local_cert_;
   scoped_refptr<RsaKeyPair> key_pair_;
   std::string shared_secret_;
+  std::string required_client_domain_;
 
   DISALLOW_COPY_AND_ASSIGN(It2MeHostAuthenticatorFactory);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_IT2ME_HOST_AUTHENTICATOR_FACTORY_H_