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

chrome/browser/ui/webui/options/handler_options_handler.h

Index: chrome/browser/ui/webui/options/handler_options_handler.h
diff --git a/chrome/browser/ui/webui/options/handler_options_handler.h b/chrome/browser/ui/webui/options/handler_options_handler.h
index c7c96ed8ee731fc8c570b0341c871825cbf4d1be..aa331280bdfff4801c9ef08a349110d16f1c8532 100644
--- a/chrome/browser/ui/webui/options/handler_options_handler.h
+++ b/chrome/browser/ui/webui/options/handler_options_handler.h
@@ -30,19 +30,18 @@ class HandlerOptionsHandler : public OptionsPageUIHandler,
                               public content::NotificationObserver {
  public:
   HandlerOptionsHandler();
-  virtual ~HandlerOptionsHandler();
+  ~HandlerOptionsHandler() override;
 
   // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) override;
-  virtual void InitializeHandler() override;
-  virtual void InitializePage() override;
-  virtual void RegisterMessages() override;
+  void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
+  void InitializeHandler() override;
+  void InitializePage() override;
+  void RegisterMessages() 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;
 
  private:
   // Called when the user toggles whether custom handlers are enabled.