Standardize usage of virtual/override/final specifiers.

chrome/browser/supervised_user/supervised_user_registration_utility_unittest.cc

 // 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.
 
 #include "chrome/browser/supervised_user/supervised_user_registration_utility.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/run_loop.h"
@@ skipping 71 matching lines @@
     GoogleServiceAuthError error(GoogleServiceAuthError::NONE);
     callback.Run(error, kSupervisedUserToken);
   }
 };
 
 }  // namespace
 
 class SupervisedUserRegistrationUtilityTest : public ::testing::Test {
  public:
   SupervisedUserRegistrationUtilityTest();
-  virtual ~SupervisedUserRegistrationUtilityTest();
+  ~SupervisedUserRegistrationUtilityTest() override;
 
-  virtual void TearDown() override;
+  void TearDown() override;
 
  protected:
   scoped_ptr<SyncChangeProcessor> CreateChangeProcessor();
   scoped_ptr<SyncErrorFactory> CreateErrorFactory();
   SyncData CreateRemoteData(const std::string& id, const std::string& name);
 
   SyncMergeResult StartInitialSync();
 
   SupervisedUserRegistrationUtility::RegistrationCallback
       GetRegistrationCallback();
@@ skipping 187 matching lines @@
       SupervisedUserRegistrationUtility::GenerateNewSupervisedUserId(),
       SupervisedUserRegistrationInfo(base::ASCIIToUTF16("Mike"), 17),
       GetRegistrationCallback());
   EXPECT_EQ(1u, prefs()->GetDictionary(prefs::kSupervisedUsers)->size());
   service()->StopSyncing(SUPERVISED_USERS);
   EXPECT_EQ(0u, prefs()->GetDictionary(prefs::kSupervisedUsers)->size());
   EXPECT_TRUE(received_callback());
   EXPECT_EQ(GoogleServiceAuthError::REQUEST_CANCELED, error().state());
   EXPECT_EQ(std::string(), token());
 }