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

Source/core/svg/SVGRectElement.cpp

Index: Source/core/svg/SVGRectElement.cpp
diff --git a/Source/core/svg/SVGRectElement.cpp b/Source/core/svg/SVGRectElement.cpp
index 6954804ef0cd18f632e7d22542172e02abc3b11a..77cb7a35846d871cfd1396c569288e6d9739baee 100644
--- a/Source/core/svg/SVGRectElement.cpp
+++ b/Source/core/svg/SVGRectElement.cpp
@@ -75,6 +75,31 @@ void SVGRectElement::parseAttribute(const QualifiedName& name, const AtomicStrin
     parseAttributeNew(name, value);
 }
 
+bool SVGRectElement::isPresentationAttribute(const QualifiedName& attrName) const
+{
+    if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr)
+        return true;
+    return SVGGeometryElement::isPresentationAttribute(attrName);
+}
+
+bool SVGRectElement::isPresentationAttributeWithSVGDOM(const QualifiedName& attrName) const
+{
+    if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr)
+        return true;
+    return SVGGeometryElement::isPresentationAttributeWithSVGDOM(attrName);
+}
+
+void SVGRectElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
+{
+    RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> property = propertyFromAttribute(name);
+    if (property == m_x)
+        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyX, *m_x->currentValue());
+    else if (property == m_y)
+        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyY, *m_y->currentValue());
+    else
+        SVGGeometryElement::collectStyleForPresentationAttribute(name, value, style);
+}
+
 void SVGRectElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (!isSupportedAttribute(attrName)) {
@@ -84,8 +109,16 @@ void SVGRectElement::svgAttributeChanged(const QualifiedName& attrName)
 
     SVGElement::InvalidationGuard invalidationGuard(this);
 
-    bool isLengthAttribute = attrName == SVGNames::xAttr
-                          || attrName == SVGNames::yAttr
+    bool isLengthAttributeXY =
+        attrName == SVGNames::xAttr
+        || attrName == SVGNames::yAttr;
+    if (isLengthAttributeXY) {
+        invalidateSVGPresentationAttributeStyle();
+        setNeedsStyleRecalc(LocalStyleChange,
+            StyleChangeReasonForTracing::fromAttribute(attrName));
+    }
+
+    bool isLengthAttribute = isLengthAttributeXY
                           || attrName == SVGNames::widthAttr
                           || attrName == SVGNames::heightAttr
                           || attrName == SVGNames::rxAttr