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

chrome/browser/extensions/shared_module_service.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_SHARED_MODULE_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_SHARED_MODULE_SERVICE_H_
 
 #include <list>
 
 #include "base/scoped_observer.h"
@@ skipping 18 matching lines @@
     // Imports are needed, but can be satisfied (i.e., there are missing or
     // outdated imports for a webstore extension).
     IMPORT_STATUS_UNSATISFIED,
 
     // Imports are needed, and can't be satisfied (i.e., missing or outdated
     // imports for an extension not in the webstore).
     IMPORT_STATUS_UNRECOVERABLE
   };
 
   explicit SharedModuleService(content::BrowserContext* context);
-  virtual ~SharedModuleService();
+  ~SharedModuleService() override;
 
   // Checks an extension's imports. Imports that are not installed are stored
   // in |missing_modules|, and imports that are out of date are stored in
   // |outdated_modules|.
   ImportStatus CheckImports(
       const Extension* extension,
       std::list<SharedModuleInfo::ImportInfo>* missing_modules,
       std::list<SharedModuleInfo::ImportInfo>* outdated_modules);
 
   // Checks an extension's shared module imports to see if they are satisfied.
   // If they are not, this function adds the dependencies to the pending install
   // list if |extension| came from the webstore.
   ImportStatus SatisfyImports(const Extension* extension);
 
   // Returns a set of extensions that import a given extension.
   scoped_ptr<ExtensionSet> GetDependentExtensions(const Extension* extension);
 
  private:
   // Uninstall shared modules which are not used by other extensions.
   void PruneSharedModules();
 
   // ExtensionRegistryObserver implementation.
-  virtual void OnExtensionInstalled(content::BrowserContext* browser_context,
-                                    const Extension* extension,
-                                    bool is_update) override;
-  virtual void OnExtensionUninstalled(
-      content::BrowserContext* browser_context,
-      const Extension* extension,
-      extensions::UninstallReason reason) override;
+  void OnExtensionInstalled(content::BrowserContext* browser_context,
+                            const Extension* extension,
+                            bool is_update) override;
+  void OnExtensionUninstalled(content::BrowserContext* browser_context,
+                              const Extension* extension,
+                              extensions::UninstallReason reason) override;
 
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
       extension_registry_observer_;
 
   // The context associated with this SharedModuleService.
   content::BrowserContext* browser_context_;
 
   DISALLOW_COPY_AND_ASSIGN(SharedModuleService);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_SHARED_MODULE_SERVICE_H_