FINALizing of the Node hierarchy.

Source/core/html/shadow/MeterShadowElement.h

Index: Source/core/html/shadow/MeterShadowElement.h
diff --git a/Source/core/html/shadow/MeterShadowElement.h b/Source/core/html/shadow/MeterShadowElement.h
index 4ffa192b7bd2a31e213599a2fc5c6455d22e106a..42889f83630f5d314a5d83c1577f52d027b5abf4 100644
--- a/Source/core/html/shadow/MeterShadowElement.h
+++ b/Source/core/html/shadow/MeterShadowElement.h
@@ -48,7 +48,7 @@ private:
     virtual bool rendererIsNeeded(const NodeRenderingContext&);
 };
 
-class MeterInnerElement : public MeterShadowElement {
+class MeterInnerElement FINAL : public MeterShadowElement {
 public:
     MeterInnerElement(Document*);
     static PassRefPtr<MeterInnerElement> create(Document*);
@@ -63,7 +63,7 @@ inline PassRefPtr<MeterInnerElement> MeterInnerElement::create(Document* documen
     return adoptRef(new MeterInnerElement(document));
 }
 
-class MeterBarElement : public MeterShadowElement {
+class MeterBarElement FINAL : public MeterShadowElement {
 public:
     MeterBarElement(Document* document) 
         : MeterShadowElement(document)
@@ -80,7 +80,7 @@ inline PassRefPtr<MeterBarElement> MeterBarElement::create(Document* document)
     return adoptRef(new MeterBarElement(document));
 }
 
-class MeterValueElement : public MeterShadowElement {
+class MeterValueElement FINAL : public MeterShadowElement {
 public:
     MeterValueElement(Document* document) 
         : MeterShadowElement(document)