Fix virtual/override/final usage in Source/modules/.

Source/modules/notifications/Notification.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 51 matching lines @@
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Notification);
     DEFINE_WRAPPERTYPEINFO();
 public:
     // Used for JavaScript instantiations of the Notification object. Will automatically schedule for
     // the notification to be displayed to the user.
     static Notification* create(ExecutionContext*, const String& title, const NotificationOptions&, ExceptionState&);
 
     // Used for embedder-created Notification objects. Will initialize the Notification's state as showing.
     static Notification* create(ExecutionContext*, int64_t persistentId, const WebNotificationData&);
 
-    virtual ~Notification();
+    ~Notification() override;
 
     void close();
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(click);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(show);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(close);
 
     // WebNotificationDelegate implementation.
     void dispatchShowEvent() override;
@@ skipping 14 matching lines @@
     TextDirection direction() const;
     KURL iconURL() const { return m_iconUrl; }
     SerializedScriptValue* serializedData() const { return m_serializedData.get(); }
 
     static String permissionString(WebNotificationPermission);
     static String permission(ExecutionContext*);
     static WebNotificationPermission checkPermission(ExecutionContext*);
     static void requestPermission(ExecutionContext*, NotificationPermissionCallback* = nullptr);
 
     // EventTarget interface.
-    virtual ExecutionContext* executionContext() const override final { return ActiveDOMObject::executionContext(); }
-    virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) override final;
-    virtual const AtomicString& interfaceName() const override;
+    ExecutionContext* executionContext() const final { return ActiveDOMObject::executionContext(); }
+    bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) final;
+    const AtomicString& interfaceName() const override;
 
     // ActiveDOMObject interface.
-    virtual void stop() override;
-    virtual bool hasPendingActivity() const override;
+    void stop() override;
+    bool hasPendingActivity() const override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     Notification(const String& title, ExecutionContext*);
 
     void scheduleShow();
 
     // Calling show() may start asynchronous operation. If this object has
     // a V8 wrapper, hasPendingActivity() prevents the wrapper from being
@@ skipping 42 matching lines @@
     void setState(NotificationState state) { m_state = state; }
 
     NotificationState m_state;
 
     AsyncMethodRunner<Notification> m_asyncRunner;
 };
 
 } // namespace blink
 
 #endif // Notification_h