Update {virtual,override,final} to follow C++11 style in chromeos.

chromeos/login/auth/test_attempt_state.h

 // Copyright 2014 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 CHROMEOS_LOGIN_AUTH_TEST_ATTEMPT_STATE_H_
 #define CHROMEOS_LOGIN_AUTH_TEST_ATTEMPT_STATE_H_
 
 #include "base/compiler_specific.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/login/auth/auth_attempt_state.h"
 #include "chromeos/login/auth/auth_status_consumer.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 
 namespace chromeos {
 
 class UserContext;
 
 class CHROMEOS_EXPORT TestAttemptState : public AuthAttemptState {
  public:
   TestAttemptState(const UserContext& credentials, const bool user_is_new);
 
-  virtual ~TestAttemptState();
+  ~TestAttemptState() override;
 
   // Act as though an online login attempt completed already.
   void PresetOnlineLoginStatus(const AuthFailure& outcome);
 
   // The next attempt will not allow HOSTED accounts to log in.
   void DisableHosted();
 
   // Act as though an cryptohome login attempt completed already.
   void PresetCryptohomeStatus(bool cryptohome_outcome,
                               cryptohome::MountError cryptohome_code);
 
   // To allow state to be queried on the main thread during tests.
-  virtual bool online_complete() override;
-  virtual const AuthFailure& online_outcome() override;
-  virtual bool is_first_time_user() override;
-  virtual GaiaAuthFetcher::HostedAccountsSetting hosted_policy() override;
-  virtual bool cryptohome_complete() override;
-  virtual bool cryptohome_outcome() override;
-  virtual cryptohome::MountError cryptohome_code() override;
+  bool online_complete() override;
+  const AuthFailure& online_outcome() override;
+  bool is_first_time_user() override;
+  GaiaAuthFetcher::HostedAccountsSetting hosted_policy() override;
+  bool cryptohome_complete() override;
+  bool cryptohome_outcome() override;
+  cryptohome::MountError cryptohome_code() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestAttemptState);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_LOGIN_AUTH_TEST_ATTEMPT_STATE_H_