Update SVG classes to use OVERRIDE / FINAL when needed

Source/core/svg/SVGAnimationElement.h

Index: Source/core/svg/SVGAnimationElement.h
diff --git a/Source/core/svg/SVGAnimationElement.h b/Source/core/svg/SVGAnimationElement.h
index 6b51a7ca1eeab5babc4de976c9e68bbff0fd256c..c63f5a5f88b4b52a77e64ee743f5b7c7a3083b39 100644
--- a/Source/core/svg/SVGAnimationElement.h
+++ b/Source/core/svg/SVGAnimationElement.h
@@ -228,9 +228,9 @@ private:
     END_DECLARE_ANIMATED_PROPERTIES
 
     // SVGTests
-    virtual void synchronizeRequiredFeatures() { SVGTests::synchronizeRequiredFeatures(this); }
-    virtual void synchronizeRequiredExtensions() { SVGTests::synchronizeRequiredExtensions(this); }
-    virtual void synchronizeSystemLanguage() { SVGTests::synchronizeSystemLanguage(this); }
+    virtual void synchronizeRequiredFeatures() OVERRIDE FINAL { SVGTests::synchronizeRequiredFeatures(this); }
+    virtual void synchronizeRequiredExtensions() OVERRIDE FINAL { SVGTests::synchronizeRequiredExtensions(this); }
+    virtual void synchronizeSystemLanguage() OVERRIDE FINAL { SVGTests::synchronizeSystemLanguage(this); }
 
     void setCalcMode(const AtomicString&);