Update SVG classes to use OVERRIDE / FINAL when needed

Source/core/svg/SVGAnimatedNewPropertyAnimator.h

Index: Source/core/svg/SVGAnimatedNewPropertyAnimator.h
diff --git a/Source/core/svg/SVGAnimatedNewPropertyAnimator.h b/Source/core/svg/SVGAnimatedNewPropertyAnimator.h
index 45d05072a52e53afc707e7674846b04b18911fe8..4057e31970b5ab81e60bc7d72316e852dfd7ae60 100644
--- a/Source/core/svg/SVGAnimatedNewPropertyAnimator.h
+++ b/Source/core/svg/SVGAnimatedNewPropertyAnimator.h
@@ -38,7 +38,7 @@ namespace WebCore {
 class NewSVGAnimatedPropertyBase;
 
 // Bridges new SVGProperty impl. to existing SVG animation impl.
-class SVGAnimatedNewPropertyAnimator : public SVGAnimatedTypeAnimator {
+class SVGAnimatedNewPropertyAnimator FINAL : public SVGAnimatedTypeAnimator {
 public:
     SVGAnimatedNewPropertyAnimator(AnimatedPropertyType, SVGAnimationElement*, SVGElement*);
     virtual ~SVGAnimatedNewPropertyAnimator();