Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/app_list/model_pref_updater_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 "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/app_list/app_list_prefs.h"
 #include "chrome/browser/ui/app_list/extension_app_item.h"
 #include "chrome/browser/ui/app_list/model_pref_updater.h"
 #include "components/pref_registry/testing_pref_service_syncable.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 13 matching lines @@
     return ExtensionAppItem::kItemType;
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestExtensionAppItem);
 };
 
 class ModelPrefUpdaterTest : public testing::Test {
  public:
   ModelPrefUpdaterTest() {}
-  virtual ~ModelPrefUpdaterTest() {}
+  ~ModelPrefUpdaterTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     AppListPrefs::RegisterProfilePrefs(pref_service_.registry());
     prefs_.reset(AppListPrefs::Create(&pref_service_));
     model_.reset(new AppListTestModel());
     pref_updater_.reset(new ModelPrefUpdater(prefs_.get(), model_.get()));
   }
 
   AppListTestModel* model() { return model_.get(); }
 
   AppListPrefs* prefs() { return prefs_.get(); }
 
@@ skipping 46 matching lines @@
   EXPECT_EQ(folder->id(), item->folder_id());
 
   prefs()->GetAllAppListInfos(&infos);
   EXPECT_EQ(2u, infos.size());
   EXPECT_TRUE(AppListItemMatchesPrefs(folder));
   EXPECT_TRUE(AppListItemMatchesPrefs(item));
 }
 
 }  // namespace test
 }  // namespace app_list