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

Source/core/svg/SVGGradientElement.h

Index: Source/core/svg/SVGGradientElement.h
diff --git a/Source/core/svg/SVGGradientElement.h b/Source/core/svg/SVGGradientElement.h
index 30ef67554a14bb1a2d8ed23a2d6f3e9f87e6f151..b2abd30c91940653aa71f9188bf6edbf6197bff7 100644
--- a/Source/core/svg/SVGGradientElement.h
+++ b/Source/core/svg/SVGGradientElement.h
@@ -85,6 +85,7 @@ public:
     Vector<Gradient::ColorStop> buildStops();
 
     SVGAnimatedString* href() { return m_href.get(); }
+    SVGAnimatedTransformList* gradientTransform() { return m_gradientTransform.get(); }
 
 protected:
     SVGGradientElement(const QualifiedName&, Document&);
@@ -99,10 +100,10 @@ private:
     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0) OVERRIDE FINAL;
 
     RefPtr<SVGAnimatedString> m_href;
+    RefPtr<SVGAnimatedTransformList> m_gradientTransform;
     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGGradientElement)
         DECLARE_ANIMATED_ENUMERATION(SpreadMethod, spreadMethod, SVGSpreadMethodType)
         DECLARE_ANIMATED_ENUMERATION(GradientUnits, gradientUnits, SVGUnitTypes::SVGUnitType)
-        DECLARE_ANIMATED_TRANSFORM_LIST(GradientTransform, gradientTransform)
     END_DECLARE_ANIMATED_PROPERTIES
 };