[svg2] Exclude <pattern> from having x and y presentation attributes

Source/core/svg/SVGPatternElement.cpp

Index: Source/core/svg/SVGPatternElement.cpp
diff --git a/Source/core/svg/SVGPatternElement.cpp b/Source/core/svg/SVGPatternElement.cpp
index d6111487d1f246c2f9189238e354fe93cc412705..c0b07ec5192d770770607771a5c0e4487352c771 100644
--- a/Source/core/svg/SVGPatternElement.cpp
+++ b/Source/core/svg/SVGPatternElement.cpp
@@ -88,31 +88,6 @@ bool SVGPatternElement::isSupportedAttribute(const QualifiedName& attrName)
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
-bool SVGPatternElement::isPresentationAttribute(const QualifiedName& attrName) const
-{
-    if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr)
-        return true;
-    return SVGElement::isPresentationAttribute(attrName);
-}
-
-bool SVGPatternElement::isPresentationAttributeWithSVGDOM(const QualifiedName& attrName) const
-{
-    if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr)
-        return true;
-    return SVGElement::isPresentationAttributeWithSVGDOM(attrName);
-}
-
-void SVGPatternElement::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
-        SVGElement::collectStyleForPresentationAttribute(name, value, style);
-}
-
 void SVGPatternElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     parseAttributeNew(name, value);
@@ -128,13 +103,6 @@ void SVGPatternElement::svgAttributeChanged(const QualifiedName& attrName)
     SVGElement::InvalidationGuard invalidationGuard(this);
 
     if (attrName == SVGNames::xAttr
-        || attrName == SVGNames::yAttr) {
-        invalidateSVGPresentationAttributeStyle();
-        setNeedsStyleRecalc(LocalStyleChange,
-            StyleChangeReasonForTracing::fromAttribute(attrName));
-    }
-
-    if (attrName == SVGNames::xAttr
         || attrName == SVGNames::yAttr
         || attrName == SVGNames::widthAttr
         || attrName == SVGNames::heightAttr)