[svg2] Make 'x' and 'y' presentation attributes

Source/core/svg/SVGElement.cpp

Index: Source/core/svg/SVGElement.cpp
diff --git a/Source/core/svg/SVGElement.cpp b/Source/core/svg/SVGElement.cpp
index 0c28644a2127af181a58cfbc7358966f02de4526..6e55bc3c7acdb9bbabbe0aaff31ea1492875db7e 100644
--- a/Source/core/svg/SVGElement.cpp
+++ b/Source/core/svg/SVGElement.cpp
@@ -722,6 +722,13 @@ void SVGElement::collectStyleForPresentationAttribute(const QualifiedName& name,
         addPropertyToPresentationAttributeStyle(style, propertyID, value);
 }
 
+void SVGElement::addSVGLengthPropertyToPresentationAttributeStyle(MutableStylePropertySet* style, CSSPropertyID property, SVGLength& length)
+{
+    addPropertyToPresentationAttributeStyle(style, property,
+        length.valueInSpecifiedUnits(),
+        length.cssUnitTypeQuirk());
+}
+
 bool SVGElement::haveLoadedRequiredResources()
 {
     for (SVGElement* child = Traversal<SVGElement>::firstChild(*this); child; child = Traversal<SVGElement>::nextSibling(*child)) {