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

chrome/browser/ui/webui/extensions/extension_settings_handler.h

Index: chrome/browser/ui/webui/extensions/extension_settings_handler.h
diff --git a/chrome/browser/ui/webui/extensions/extension_settings_handler.h b/chrome/browser/ui/webui/extensions/extension_settings_handler.h
index 20cbc1de8758821d9d12d97e57a50a87399738e1..779a484f42e467c8d4c0aeaf9b80786b5c7a13f6 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_handler.h
+++ b/chrome/browser/ui/webui/extensions/extension_settings_handler.h
@@ -79,7 +79,7 @@ class ExtensionSettingsHandler
       public base::SupportsWeakPtr<ExtensionSettingsHandler> {
  public:
   ExtensionSettingsHandler();
-  virtual ~ExtensionSettingsHandler();
+  ~ExtensionSettingsHandler() override;
 
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
@@ -98,9 +98,8 @@ class ExtensionSettingsHandler
   friend class BrokerDelegate;
 
   // content::WebContentsObserver implementation.
-  virtual void RenderViewDeleted(
-      content::RenderViewHost* render_view_host) override;
-  virtual void DidStartNavigationToPendingEntry(
+  void RenderViewDeleted(content::RenderViewHost* render_view_host) override;
+  void DidStartNavigationToPendingEntry(
       const GURL& url,
       content::NavigationController::ReloadType reload_type) override;
 
@@ -109,46 +108,44 @@ class ExtensionSettingsHandler
                            ManagementPolicy* policy);
 
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
   // ErrorConsole::Observer implementation.
-  virtual void OnErrorAdded(const ExtensionError* error) override;
+  void OnErrorAdded(const ExtensionError* error) override;
 
   // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
 
   // ExtensionRegistryObserver implementation.
-  virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
-                                 const Extension* extension) override;
-  virtual void OnExtensionUnloaded(
-      content::BrowserContext* browser_context,
-      const Extension* extension,
-      UnloadedExtensionInfo::Reason reason) override;
-  virtual void OnExtensionUninstalled(
-      content::BrowserContext* browser_context,
-      const Extension* extension,
-      extensions::UninstallReason reason) override;
+  void OnExtensionLoaded(content::BrowserContext* browser_context,
+                         const Extension* extension) override;
+  void OnExtensionUnloaded(content::BrowserContext* browser_context,
+                           const Extension* extension,
+                           UnloadedExtensionInfo::Reason reason) override;
+  void OnExtensionUninstalled(content::BrowserContext* browser_context,
+                              const Extension* extension,
+                              extensions::UninstallReason reason) override;
 
   // ExtensionPrefsObserver implementation.
-  virtual void OnExtensionDisableReasonsChanged(const std::string& extension_id,
-                                                int disable_reasons) override;
+  void OnExtensionDisableReasonsChanged(const std::string& extension_id,
+                                        int disable_reasons) override;
 
   // ExtensionManagement::Observer implementation.
-  virtual void OnExtensionManagementSettingsChanged() override;
+  void OnExtensionManagementSettingsChanged() override;
 
   // ExtensionUninstallDialog::Delegate implementation, used for receiving
   // notification about uninstall confirmation dialog selections.
-  virtual void ExtensionUninstallAccepted() override;
-  virtual void ExtensionUninstallCanceled() override;
+  void ExtensionUninstallAccepted() override;
+  void ExtensionUninstallCanceled() override;
 
   // WarningService::Observer implementation.
-  virtual void ExtensionWarningsChanged() override;
+  void ExtensionWarningsChanged() override;
 
   // ExtensionInstallPrompt::Delegate implementation.
-  virtual void InstallUIProceed() override;
-  virtual void InstallUIAbort(bool user_initiated) override;
+  void InstallUIProceed() override;
+  void InstallUIAbort(bool user_initiated) override;
 
   // Called after the App Info Dialog has closed.
   virtual void AppInfoDialogClosed();