[SVG] SVGAnimatedString{,List} migration to new SVG property impl.

Source/core/svg/SVGGraphicsElement.h

Index: Source/core/svg/SVGGraphicsElement.h
diff --git a/Source/core/svg/SVGGraphicsElement.h b/Source/core/svg/SVGGraphicsElement.h
index 8d202f63626d8eb9f84cd4e01410f7c0668211dc..aabb2448f02aad50f582905172ed1fdc3f03378a 100644
--- a/Source/core/svg/SVGGraphicsElement.h
+++ b/Source/core/svg/SVGGraphicsElement.h
@@ -73,11 +73,6 @@ protected:
 private:
     virtual bool isSVGGraphicsElement() const OVERRIDE FINAL { return true; }
 
-    // SVGTests
-    virtual void synchronizeRequiredFeatures() OVERRIDE FINAL { SVGTests::synchronizeRequiredFeatures(this); }
-    virtual void synchronizeRequiredExtensions() OVERRIDE FINAL { SVGTests::synchronizeRequiredExtensions(this); }
-    virtual void synchronizeSystemLanguage() OVERRIDE FINAL { SVGTests::synchronizeSystemLanguage(this); }
-
     // Used by <animateMotion>
     OwnPtr<AffineTransform> m_supplementalTransform;
 };