FINALizing of the Node hierarchy.

Source/core/html/shadow/SliderThumbElement.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 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.
@@ skipping 28 matching lines @@
 #include "core/rendering/style/RenderStyleConstants.h"
 #include <wtf/Forward.h>
 
 namespace WebCore {
 
 class HTMLElement;
 class HTMLInputElement;
 class Event;
 class FloatPoint;
 
-class SliderThumbElement : public HTMLDivElement {
+class SliderThumbElement FINAL : public HTMLDivElement {
 public:
     static PassRefPtr<SliderThumbElement> create(Document*);
 
     void setPositionFromValue();
 
     void dragFrom(const LayoutPoint&);
     virtual void defaultEventHandler(Event*);
     virtual bool willRespondToMouseMoveEvents() OVERRIDE;
     virtual bool willRespondToMouseClickEvents() OVERRIDE;
     virtual void detach();
@@ skipping 37 matching lines @@
     return static_cast<SliderThumbElement*>(node);
 }
 
 // This always return a valid pointer.
 // An assertion fails if the specified node is not a range input.
 SliderThumbElement* sliderThumbElementOf(Node*);
 HTMLElement* sliderTrackElementOf(Node*);
 
 // --------------------------------
 
-class RenderSliderThumb : public RenderBlock {
+class RenderSliderThumb FINAL : public RenderBlock {
 public:
     RenderSliderThumb(SliderThumbElement*);
     void updateAppearance(RenderStyle* parentStyle);
 
 private:
     virtual bool isSliderThumb() const;
 };
 
 // --------------------------------
 
-class SliderContainerElement : public HTMLDivElement {
+class SliderContainerElement FINAL : public HTMLDivElement {
 public:
     static PassRefPtr<SliderContainerElement> create(Document*);
 
 private:
     SliderContainerElement(Document*);
     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
     virtual const AtomicString& shadowPseudoId() const;
 };
 
 }
 
 #endif