Standardize usage of virtual/override/final specifiers.

chrome/browser/supervised_user/supervised_user_pref_mapping_service_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 <string>
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/supervised_user/supervised_user_constants.h"
 #include "chrome/browser/supervised_user/supervised_user_pref_mapping_service.h"
 #include "chrome/browser/supervised_user/supervised_user_pref_mapping_service_factory.h"
@@ skipping 10 matching lines @@
   SupervisedUserPrefMappingServiceTest() {
     profile_.GetPrefs()->SetString(prefs::kSupervisedUserId,
                                    kFakeSupervisedUserId);
     shared_settings_service_ =
         SupervisedUserSharedSettingsServiceFactory::GetForBrowserContext(
             &profile_);
     mapping_service_ =
         SupervisedUserPrefMappingServiceFactory::GetForBrowserContext(
             &profile_);
   }
-  virtual ~SupervisedUserPrefMappingServiceTest() {}
+  ~SupervisedUserPrefMappingServiceTest() override {}
 
   // testing::Test overrides:
-  virtual void SetUp() override {
-    mapping_service_->Init();
-  }
+  void SetUp() override { mapping_service_->Init(); }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     mapping_service_->Shutdown();
     shared_settings_service_->Shutdown();
   }
 
   TestingProfile profile_;
   SupervisedUserSharedSettingsService* shared_settings_service_;
   SupervisedUserPrefMappingService* mapping_service_;
 };
 
 TEST_F(SupervisedUserPrefMappingServiceTest, CheckPrefUpdate) {
@@ skipping 11 matching lines @@
 TEST_F(SupervisedUserPrefMappingServiceTest, CheckSharedSettingUpdate) {
   EXPECT_EQ(profile_.GetPrefs()->GetInteger(prefs::kProfileAvatarIndex), -1);
   shared_settings_service_->SetValue(kFakeSupervisedUserId,
                                      supervised_users::kChromeAvatarIndex,
                                      base::FundamentalValue(1));
   mapping_service_->OnSharedSettingChanged(
       kFakeSupervisedUserId,
       supervised_users::kChromeAvatarIndex);
   EXPECT_EQ(profile_.GetPrefs()->GetInteger(prefs::kProfileAvatarIndex), 1);
 }