Avoid duplicating the CSS property mapping for SVG pres. attrs.

third_party/WebKit/Source/core/svg/SVGUseElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGUseElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGUseElement.cpp b/third_party/WebKit/Source/core/svg/SVGUseElement.cpp
index 947e974deb3588300c4ffe0081c633a89195a5e6..9d99cfd448faf9ba3fe9b29b3291f1f31f3dce2e 100644
--- a/third_party/WebKit/Source/core/svg/SVGUseElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGUseElement.cpp
@@ -180,10 +180,10 @@ void SVGUseElement::collectStyleForPresentationAttribute(
     MutableStylePropertySet* style) {
   SVGAnimatedPropertyBase* property = propertyFromAttribute(name);
   if (property == m_x) {
-    addPropertyToPresentationAttributeStyle(style, CSSPropertyX,
+    addPropertyToPresentationAttributeStyle(style, property->cssPropertyId(),
                                             m_x->cssValue());
   } else if (property == m_y) {
-    addPropertyToPresentationAttributeStyle(style, CSSPropertyY,
+    addPropertyToPresentationAttributeStyle(style, property->cssPropertyId(),
                                             m_y->cssValue());
   } else {
     SVGGraphicsElement::collectStyleForPresentationAttribute(name, value,