Remove isSupportedAttribute in svg

Source/core/svg/SVGPathElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 182 matching lines @@
 PassRefPtrWillBeRawPtr<SVGPathSegCurvetoQuadraticSmoothAbs> SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothAbs(float x, float y)
 {
     return SVGPathSegCurvetoQuadraticSmoothAbs::create(0, x, y);
 }
 
 PassRefPtrWillBeRawPtr<SVGPathSegCurvetoQuadraticSmoothRel> SVGPathElement::createSVGPathSegCurvetoQuadraticSmoothRel(float x, float y)
 {
     return SVGPathSegCurvetoQuadraticSmoothRel::create(0, x, y);
 }
 
-bool SVGPathElement::isSupportedAttribute(const QualifiedName& attrName)
-{
-    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty()) {
-        supportedAttributes.add(SVGNames::dAttr);
-        supportedAttributes.add(SVGNames::pathLengthAttr);
-    }
-    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
-}
-
 void SVGPathElement::svgAttributeChanged(const QualifiedName& attrName)
 {
-    if (!isSupportedAttribute(attrName)) {
-        SVGGeometryElement::svgAttributeChanged(attrName);
+    if (attrName == SVGNames::dAttr || attrName == SVGNames::pathLengthAttr) {
+        SVGElement::InvalidationGuard invalidationGuard(this);
+
+        LayoutSVGShape* renderer = toLayoutSVGShape(this->layoutObject());
+
+        if (attrName == SVGNames::dAttr) {
+            if (renderer)
+                renderer->setNeedsShapeUpdate();
+
+            invalidateMPathDependencies();
+        }
+
+        if (renderer)
+            markForLayoutAndParentResourceInvalidation(renderer);
+
         return;
     }
 
-    SVGElement::InvalidationGuard invalidationGuard(this);
-
-    LayoutSVGShape* renderer = toLayoutSVGShape(this->layoutObject());
-
-    if (attrName == SVGNames::dAttr) {
-        if (renderer)
-            renderer->setNeedsShapeUpdate();
-
-        invalidateMPathDependencies();
-    }
-
-    if (renderer)
-        markForLayoutAndParentResourceInvalidation(renderer);
+    SVGGeometryElement::svgAttributeChanged(attrName);
 }
 
 void SVGPathElement::invalidateMPathDependencies()
 {
     // <mpath> can only reference <path> but this dependency is not handled in
     // markForLayoutAndParentResourceInvalidation so we update any mpath dependencies manually.
     if (SVGElementSet* dependencies = setOfIncomingReferences()) {
         for (SVGElement* element : *dependencies) {
             if (isSVGMPathElement(*element))
                 toSVGMPathElement(element)->targetPathChanged();
@@ skipping 37 matching lines @@
 
     // FIXME: Eventually we should support getBBox for detached elements.
     if (!layoutObject())
         return FloatRect();
 
     LayoutSVGShape* renderer = toLayoutSVGShape(this->layoutObject());
     return renderer->path().boundingRect();
 }
 
 } // namespace blink