Clean up remoting project

remoting/host/user_authenticator_mac.cc

 // Copyright (c) 2011 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.
 
-#include "remoting/host/user_authenticator_mac.h"
+#include "remoting/host/user_authenticator.h"
 
 #include <Security/Security.h>
 
 #include <string>
 
+#include "base/basictypes.h"
 #include "base/logging.h"
 
 namespace remoting {
 
-static const char kAuthorizationRightName[] = "system.login.tty";
+namespace {
 
-UserAuthenticatorMac::UserAuthenticatorMac() {
-}
+class UserAuthenticatorMac : public UserAuthenticator {
+ public:
+  UserAuthenticatorMac() {}
+  virtual ~UserAuthenticatorMac() {}
+  virtual bool Authenticate(const std::string& username,
+                            const std::string& password);
 
-UserAuthenticatorMac::~UserAuthenticatorMac() {
-}
+ private:
+  DISALLOW_COPY_AND_ASSIGN(UserAuthenticatorMac);
+};
+
+const char kAuthorizationRightName[] = "system.login.tty";
 
 bool UserAuthenticatorMac::Authenticate(const std::string& username,
                                         const std::string& password) {
   // The authorization right being requested.  This particular right allows
   // testing of a username/password, as if the user were logging on to the
   // system locally.
   AuthorizationItem right;
   right.name = kAuthorizationRightName;
   right.valueLength = 0;
   right.value = NULL;
   right.flags = 0;
   AuthorizationRights rights;
   rights.count = 1;
   rights.items = &right;
+
   // Passing the username/password as an "environment" parameter causes these
   // to be submitted to the Security Framework, instead of the interactive
   // password prompt appearing on the host system.  Valid on OS X 10.4 and
   // later versions.
   AuthorizationItem environment_items[2];
   environment_items[0].name = kAuthorizationEnvironmentUsername;
   environment_items[0].valueLength = username.size();
   environment_items[0].value = const_cast<char*>(username.data());
   environment_items[0].flags = 0;
   environment_items[1].name = kAuthorizationEnvironmentPassword;
@@ skipping 13 matching lines @@
 
     case errAuthorizationDenied:
       return false;
 
     default:
       LOG(ERROR) << "AuthorizationCreate returned " << status;
       return false;
   }
 }
 
+}  // namespace
+
 // static
 UserAuthenticator* UserAuthenticator::Create() {
   return new UserAuthenticatorMac();
 }
 
 }  // namespace remoting