Standardize usage of virtual/override/final specifiers.

components/sync_driver/sync_prefs_unittest.cc

 // Copyright (c) 2012 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 "components/sync_driver/sync_prefs.h"
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_notifier_impl.h"
 #include "base/prefs/pref_value_store.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/time/time.h"
 #include "components/pref_registry/testing_pref_service_syncable.h"
 #include "components/sync_driver/pref_names.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace sync_driver {
 
 namespace {
 
 using ::testing::InSequence;
 using ::testing::StrictMock;
 
 class SyncPrefsTest : public testing::Test {
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     SyncPrefs::RegisterProfilePrefs(pref_service_.registry());
   }
 
   user_prefs::TestingPrefServiceSyncable pref_service_;
 
  private:
   base::MessageLoop loop_;
 };
 
 TEST_F(SyncPrefsTest, Basic) {
@@ skipping 189 matching lines @@
   sync_prefs.ClearPreferences();
 
   EXPECT_FALSE(sync_prefs.HasSyncSetupCompleted());
   EXPECT_EQ(base::Time(), sync_prefs.GetLastSyncedTime());
   EXPECT_TRUE(sync_prefs.GetEncryptionBootstrapToken().empty());
 }
 
 }  // namespace
 
 }  // namespace sync_driver