Standardize usage of virtual/override/final in chrome/browser/extensions/

chrome/browser/extensions/extension_management.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_
 
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 45 matching lines @@
   // * INSTALLATION_RECOMMENDED: Extension will be installed automatically but
   //                             can be disabled.
   enum InstallationMode {
     INSTALLATION_ALLOWED = 0,
     INSTALLATION_BLOCKED,
     INSTALLATION_FORCED,
     INSTALLATION_RECOMMENDED,
   };
 
   explicit ExtensionManagement(PrefService* pref_service);
-  virtual ~ExtensionManagement();
+  ~ExtensionManagement() override;
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Get the ManagementPolicy::Provider controlled by extension management
   // policy settings.
   ManagementPolicy::Provider* GetProvider() const;
 
   // Checks if extensions are blacklisted by default, by policy. When true,
   // this means that even extensions without an ID should be blacklisted (e.g.
@@ skipping 84 matching lines @@
 class ExtensionManagementFactory : public BrowserContextKeyedServiceFactory {
  public:
   static ExtensionManagement* GetForBrowserContext(
       content::BrowserContext* context);
   static ExtensionManagementFactory* GetInstance();
 
  private:
   friend struct DefaultSingletonTraits<ExtensionManagementFactory>;
 
   ExtensionManagementFactory();
-  virtual ~ExtensionManagementFactory();
+  ~ExtensionManagementFactory() override;
 
   // BrowserContextKeyedServiceExtensionManagementFactory:
-  virtual KeyedService* BuildServiceInstanceFor(
+  KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
-  virtual content::BrowserContext* GetBrowserContextToUse(
+  content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
-  virtual void RegisterProfilePrefs(
+  void RegisterProfilePrefs(
       user_prefs::PrefRegistrySyncable* registry) override;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionManagementFactory);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_MANAGEMENT_H_