FINALizing of the Node hierarchy.

Source/core/html/shadow/ProgressShadowElement.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 30 matching lines @@
 
 class ProgressShadowElement : public HTMLDivElement {
 public:
     ProgressShadowElement(Document*);
     HTMLProgressElement* progressElement() const;
 
 protected:
     virtual bool rendererIsNeeded(const NodeRenderingContext&);
 };
 
-class ProgressInnerElement : public ProgressShadowElement {
+class ProgressInnerElement FINAL : public ProgressShadowElement {
 public:
     ProgressInnerElement(Document*);
 
     static PassRefPtr<ProgressInnerElement> create(Document*);
 private:
     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*) OVERRIDE;
     virtual bool rendererIsNeeded(const NodeRenderingContext&);
 };
 
-class ProgressBarElement : public ProgressShadowElement {
+class ProgressBarElement FINAL : public ProgressShadowElement {
 public:
     ProgressBarElement(Document* document) 
         : ProgressShadowElement(document)
     {
         DEFINE_STATIC_LOCAL(AtomicString, pseudoId, ("-webkit-progress-bar", AtomicString::ConstructFromLiteral));
         setPseudo(pseudoId);
     }
 
     static PassRefPtr<ProgressBarElement> create(Document*);
 };
 
 inline PassRefPtr<ProgressBarElement> ProgressBarElement::create(Document* document)
 {
     return adoptRef(new ProgressBarElement(document));
 }
 
-class ProgressValueElement : public ProgressShadowElement {
+class ProgressValueElement FINAL : public ProgressShadowElement {
 public:
     ProgressValueElement(Document* document) 
         : ProgressShadowElement(document)
     {
         DEFINE_STATIC_LOCAL(AtomicString, pseudoId, ("-webkit-progress-value", AtomicString::ConstructFromLiteral));
         setPseudo(pseudoId);
     }
 
     static PassRefPtr<ProgressValueElement> create(Document*);
     void setWidthPercentage(double);
 };
 
 inline PassRefPtr<ProgressValueElement> ProgressValueElement::create(Document* document)
 {
     return adoptRef(new ProgressValueElement(document));
 }
 
 }
 
 #endif // ProgressShadowElement_h