Remove isSupportedAttribute in svg

Source/core/svg/SVGRadialGradientElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * 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
@@ skipping 49 matching lines @@
     visitor->trace(m_cy);
     visitor->trace(m_r);
     visitor->trace(m_fx);
     visitor->trace(m_fy);
     visitor->trace(m_fr);
     SVGGradientElement::trace(visitor);
 }
 
 DEFINE_NODE_FACTORY(SVGRadialGradientElement)
 
-bool SVGRadialGradientElement::isSupportedAttribute(const QualifiedName& attrName)
-{
-    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty()) {
-        supportedAttributes.add(SVGNames::cxAttr);
-        supportedAttributes.add(SVGNames::cyAttr);
-        supportedAttributes.add(SVGNames::fxAttr);
-        supportedAttributes.add(SVGNames::fyAttr);
-        supportedAttributes.add(SVGNames::rAttr);
-        supportedAttributes.add(SVGNames::frAttr);
-    }
-    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
-}
-
 void SVGRadialGradientElement::svgAttributeChanged(const QualifiedName& attrName)
 {
-    if (!isSupportedAttribute(attrName)) {
-        SVGGradientElement::svgAttributeChanged(attrName);
+    if (attrName == SVGNames::cxAttr || attrName == SVGNames::cyAttr
+        || attrName == SVGNames::fxAttr || attrName == SVGNames::fyAttr
+        || attrName == SVGNames::rAttr || attrName == SVGNames::frAttr) {
+        SVGElement::InvalidationGuard invalidationGuard(this);
+
+        updateRelativeLengthsInformation();
+
+        LayoutSVGResourceContainer* renderer = toLayoutSVGResourceContainer(this->layoutObject());
+        if (renderer)
+            renderer->invalidateCacheAndMarkForLayout();
+
         return;
     }
 
-    SVGElement::InvalidationGuard invalidationGuard(this);
-
-    updateRelativeLengthsInformation();
-
-    LayoutSVGResourceContainer* renderer = toLayoutSVGResourceContainer(this->layoutObject());
-    if (renderer)
-        renderer->invalidateCacheAndMarkForLayout();
+    SVGGradientElement::svgAttributeChanged(attrName);
 }
 
 LayoutObject* SVGRadialGradientElement::createLayoutObject(const ComputedStyle&)
 {
     return new LayoutSVGResourceRadialGradient(this);
 }
 
 static void setGradientAttributes(SVGGradientElement* element, RadialGradientAttributes& attributes, bool isRadial = true)
 {
     if (!attributes.hasSpreadMethod() && element->spreadMethod()->isSpecified())
@@ skipping 82 matching lines @@
 {
     return m_cx->currentValue()->isRelative()
         || m_cy->currentValue()->isRelative()
         || m_r->currentValue()->isRelative()
         || m_fx->currentValue()->isRelative()
         || m_fy->currentValue()->isRelative()
         || m_fr->currentValue()->isRelative();
 }
 
 } // namespace blink