Standardize usage of virtual/override/final specifiers.

chrome/browser/supervised_user/supervised_user_sync_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/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/stringprintf.h"
@@ skipping 66 matching lines @@
 void GetSupervisedUsersCallback(const base::DictionaryValue** dict,
                                 const base::DictionaryValue* supervised_users) {
   *dict = supervised_users;
 }
 
 }  // namespace
 
 class SupervisedUserSyncServiceTest : public ::testing::Test {
  public:
   SupervisedUserSyncServiceTest();
-  virtual ~SupervisedUserSyncServiceTest();
+  ~SupervisedUserSyncServiceTest() override;
 
  protected:
   scoped_ptr<SyncChangeProcessor> CreateChangeProcessor();
   scoped_ptr<SyncErrorFactory> CreateErrorFactory();
   SyncData CreateRemoteData(const std::string& id,
                             const std::string& name,
                             const std::string& avatar);
 
   PrefService* prefs() { return profile_.GetPrefs(); }
   SupervisedUserSyncService* service() { return service_; }
@@ skipping 260 matching lines @@
 
   EXPECT_FALSE(SupervisedUserSyncService::GetAvatarIndex(
       "chrome-avatar-index:x",
       &avatar));
 
   EXPECT_FALSE(SupervisedUserSyncService::GetAvatarIndex(
       "chromeos-avatar-index:5",
       &avatar));
 #endif
 }