Update more core classes to use OVERRIDE / FINAL when needed

Source/core/html/HTMLInputElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 117 matching lines @@
     void setIndeterminate(bool);
     // shouldAppearChecked is used by the rendering tree/CSS while checked() is used by JS to determine checked state
     bool shouldAppearChecked() const;
     virtual bool shouldAppearIndeterminate() const OVERRIDE;
 
     int size() const;
     bool sizeShouldIncludeDecoration(int& preferredSize) const;
 
     void setType(const AtomicString&);
 
-    String value() const;
+    virtual String value() const OVERRIDE;
     void setValue(const String&, ExceptionState&, TextFieldEventBehavior = DispatchNoEvent);
     void setValue(const String&, TextFieldEventBehavior = DispatchNoEvent);
     void setValueForUser(const String&);
     // Checks if the specified string would be a valid value.
     // We should not call this for types with no string value such as CHECKBOX and RADIO.
     bool isValidValue(const String&) const;
     bool hasDirtyValue() const { return !m_valueIfDirty.isNull(); };
 
     String sanitizeValue(const String&) const;
 
@@ skipping 121 matching lines @@
     bool hasImageLoader() const { return m_imageLoader; }
     HTMLImageLoader* imageLoader();
 
     bool setupDateTimeChooserParameters(DateTimeChooserParameters&);
 
     bool supportsInputModeAttribute() const;
 
 protected:
     HTMLInputElement(Document&, HTMLFormElement*, bool createdByParser);
 
-    virtual void defaultEventHandler(Event*);
+    virtual void defaultEventHandler(Event*) OVERRIDE;
 
 private:
     enum AutoCompleteSetting { Uninitialized, On, Off };
 
     virtual void didAddUserAgentShadowRoot(ShadowRoot&) OVERRIDE FINAL;
     virtual void didAddShadowRoot(ShadowRoot&) OVERRIDE FINAL;
 
     virtual void willChangeForm() OVERRIDE FINAL;
     virtual void didChangeForm() OVERRIDE FINAL;
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
@@ skipping 101 matching lines @@
     // that it lives as long as its owning element lives. If we move the loader into
     // the ImageInput object we may delete the loader while this element lives on.
     OwnPtr<HTMLImageLoader> m_imageLoader;
     OwnPtr<ListAttributeTargetObserver> m_listAttributeTargetObserver;
 };
 
 DEFINE_NODE_TYPE_CASTS(HTMLInputElement, hasTagName(HTMLNames::inputTag));
 
 } //namespace
 #endif