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

chrome/browser/chromeos/login/enrollment/enterprise_enrollment_helper_impl.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 CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENTERPRISE_ENROLLMENT_HELPER_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENTERPRISE_ENROLLMENT_HELPER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
 
 namespace chromeos {
 
 class EnterpriseEnrollmentHelperImpl : public EnterpriseEnrollmentHelper,
                                        public BrowsingDataRemover::Observer {
  public:
   EnterpriseEnrollmentHelperImpl(
       EnrollmentStatusConsumer* status_consumer,
       const policy::EnrollmentConfig& enrollment_config,
       const std::string& enrolling_user_domain);
-  virtual ~EnterpriseEnrollmentHelperImpl();
+  ~EnterpriseEnrollmentHelperImpl() override;
 
   // Overridden from EnterpriseEnrollmentHelper:
-  virtual void EnrollUsingProfile(Profile* profile,
-                                  bool fetch_additional_token) override;
-  virtual void EnrollUsingToken(const std::string& token) override;
-  virtual void ClearAuth(const base::Closure& callback) override;
+  void EnrollUsingProfile(Profile* profile,
+                          bool fetch_additional_token) override;
+  void EnrollUsingToken(const std::string& token) override;
+  void ClearAuth(const base::Closure& callback) override;
 
  private:
   void DoEnrollUsingToken(const std::string& token);
 
   // Handles completion of the OAuth2 token fetch attempt.
   void OnTokenFetched(size_t fetcher_index,
                       const std::string& token,
                       const GoogleServiceAuthError& error);
 
   // Handles completion of the enrollment attempt.
   void OnEnrollmentFinished(policy::EnrollmentStatus status);
 
   void ReportAuthStatus(const GoogleServiceAuthError& error);
   void ReportEnrollmentStatus(policy::EnrollmentStatus status);
 
   // Logs an UMA event in the kMetricEnrollment or the kMetricEnrollmentRecovery
   // histogram, depending on |enrollment_mode_|.
   void UMA(policy::MetricEnrollment sample);
 
   // Overridden from BrowsingDataRemover::Observer:
-  virtual void OnBrowsingDataRemoverDone() override;
+  void OnBrowsingDataRemoverDone() override;
 
   const policy::EnrollmentConfig enrollment_config_;
   const std::string enrolling_user_domain_;
   Profile* profile_;
   bool fetch_additional_token_;
 
   bool started_;
   size_t oauth_fetchers_finished_;
   GoogleServiceAuthError last_auth_error_;
   std::string additional_token_;
@@ skipping 10 matching lines @@
   ScopedVector<policy::PolicyOAuth2TokenFetcher> oauth_fetchers_;
 
   base::WeakPtrFactory<EnterpriseEnrollmentHelperImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EnterpriseEnrollmentHelperImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENTERPRISE_ENROLLMENT_HELPER_IMPL_H_