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

chrome/browser/extensions/api/chrome_extensions_api_client.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_API_CHROME_EXTENSIONS_API_CLIENT_H_
 #define CHROME_BROWSER_EXTENSIONS_API_CHROME_EXTENSIONS_API_CLIENT_H_
 
 #include "base/compiler_specific.h"
 #include "extensions/browser/api/extensions_api_client.h"
 
 namespace extensions {
 
 // Extra support for extensions APIs in Chrome.
 class ChromeExtensionsAPIClient : public ExtensionsAPIClient {
  public:
   ChromeExtensionsAPIClient();
-  virtual ~ChromeExtensionsAPIClient();
+  ~ChromeExtensionsAPIClient() override;
 
   // ExtensionsApiClient implementation.
-  virtual void AddAdditionalValueStoreCaches(
+  void AddAdditionalValueStoreCaches(
       content::BrowserContext* context,
       const scoped_refptr<SettingsStorageFactory>& factory,
-      const scoped_refptr<ObserverListThreadSafe<SettingsObserver> >& observers,
+      const scoped_refptr<ObserverListThreadSafe<SettingsObserver>>& observers,
       std::map<settings_namespace::Namespace, ValueStoreCache*>* caches)
       override;
-  virtual AppViewGuestDelegate* CreateAppViewGuestDelegate() const override;
-  virtual ExtensionOptionsGuestDelegate* CreateExtensionOptionsGuestDelegate(
+  AppViewGuestDelegate* CreateAppViewGuestDelegate() const override;
+  ExtensionOptionsGuestDelegate* CreateExtensionOptionsGuestDelegate(
       ExtensionOptionsGuest* guest) const override;
-  virtual scoped_ptr<MimeHandlerViewGuestDelegate>
-      CreateMimeHandlerViewGuestDelegate(
-          MimeHandlerViewGuest* guest) const override;
-  virtual WebViewGuestDelegate* CreateWebViewGuestDelegate(
+  scoped_ptr<MimeHandlerViewGuestDelegate> CreateMimeHandlerViewGuestDelegate(
+      MimeHandlerViewGuest* guest) const override;
+  WebViewGuestDelegate* CreateWebViewGuestDelegate(
       WebViewGuest* web_view_guest) const override;
-  virtual WebViewPermissionHelperDelegate*
-      CreateWebViewPermissionHelperDelegate(
-          WebViewPermissionHelper* web_view_permission_helper) const override;
-  virtual WebRequestEventRouterDelegate* CreateWebRequestEventRouterDelegate()
+  WebViewPermissionHelperDelegate* CreateWebViewPermissionHelperDelegate(
+      WebViewPermissionHelper* web_view_permission_helper) const override;
+  WebRequestEventRouterDelegate* CreateWebRequestEventRouterDelegate()
       const override;
-  virtual scoped_refptr<ContentRulesRegistry> CreateContentRulesRegistry(
+  scoped_refptr<ContentRulesRegistry> CreateContentRulesRegistry(
       content::BrowserContext* browser_context,
       RulesCacheDelegate* cache_delegate) const override;
-  virtual scoped_ptr<DevicePermissionsPrompt> CreateDevicePermissionsPrompt(
+  scoped_ptr<DevicePermissionsPrompt> CreateDevicePermissionsPrompt(
       content::WebContents* web_contents) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromeExtensionsAPIClient);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_CHROME_EXTENSIONS_API_CLIENT_H_