Standardize usage of virtual/override/final specifiers.

chrome/browser/invalidation/invalidator_storage_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/invalidation/invalidator_storage.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_util.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service_syncable.h"
 #include "components/invalidation/unacked_invalidation_set_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace invalidation {
 
 class InvalidatorStorageTest : public testing::Test {
  public:
   InvalidatorStorageTest() {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     InvalidatorStorage::RegisterProfilePrefs(pref_service_.registry());
   }
 
  protected:
   TestingPrefServiceSyncable pref_service_;
 };
 
 // Clearing the storage should erase all version map entries, bootstrap data,
 // and the client ID.
 TEST_F(InvalidatorStorageTest, Clear) {
@@ skipping 64 matching lines @@
   map.insert(std::make_pair(storage2.object_id(), storage2));
 
   storage.SetSavedInvalidations(map);
   syncer::UnackedInvalidationsMap restored_map =
       storage.GetSavedInvalidations();
 
   EXPECT_THAT(map, syncer::test_util::Eq(restored_map));
 }
 
 }  // namespace invalidation