Remove isSupportedAttribute in svg

Source/core/svg/SVGFEMorphologyElement.cpp

 /*
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 41 matching lines @@
 DEFINE_TRACE(SVGFEMorphologyElement)
 {
     visitor->trace(m_radius);
     visitor->trace(m_in1);
     visitor->trace(m_svgOperator);
     SVGFilterPrimitiveStandardAttributes::trace(visitor);
 }
 
 DEFINE_NODE_FACTORY(SVGFEMorphologyElement)
 
-bool SVGFEMorphologyElement::isSupportedAttribute(const QualifiedName& attrName)
-{
-    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty()) {
-        supportedAttributes.add(SVGNames::inAttr);
-        supportedAttributes.add(SVGNames::operatorAttr);
-        supportedAttributes.add(SVGNames::radiusAttr);
-    }
-    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
-}
-
 bool SVGFEMorphologyElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
 {
     FEMorphology* morphology = static_cast<FEMorphology*>(effect);
     if (attrName == SVGNames::operatorAttr)
         return morphology->setMorphologyOperator(m_svgOperator->currentValue()->enumValue());
     if (attrName == SVGNames::radiusAttr) {
         // Both setRadius functions should be evaluated separately.
         bool isRadiusXChanged = morphology->setRadiusX(radiusX()->currentValue()->value());
         bool isRadiusYChanged = morphology->setRadiusY(radiusY()->currentValue()->value());
         return isRadiusXChanged || isRadiusYChanged;
     }
 
     ASSERT_NOT_REACHED();
     return false;
 }
 
 void SVGFEMorphologyElement::svgAttributeChanged(const QualifiedName& attrName)
 {
-    if (!isSupportedAttribute(attrName)) {
-        SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
-        return;
-    }
-
-    SVGElement::InvalidationGuard invalidationGuard(this);
-
     if (attrName == SVGNames::operatorAttr || attrName == SVGNames::radiusAttr) {
+        SVGElement::InvalidationGuard invalidationGuard(this);
         primitiveAttributeChanged(attrName);
         return;
     }
 
     if (attrName == SVGNames::inAttr) {
+        SVGElement::InvalidationGuard invalidationGuard(this);
         invalidate();
         return;
     }
 
-    ASSERT_NOT_REACHED();
+    SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
 }
 
 PassRefPtrWillBeRawPtr<FilterEffect> SVGFEMorphologyElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
     FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value()));
     float xRadius = radiusX()->currentValue()->value();
     float yRadius = radiusY()->currentValue()->value();
 
     if (!input1)
         return nullptr;
 
     if (xRadius < 0 || yRadius < 0)
         return nullptr;
 
     RefPtrWillBeRawPtr<FilterEffect> effect = FEMorphology::create(filter, m_svgOperator->currentValue()->enumValue(), xRadius, yRadius);
     effect->inputEffects().append(input1);
     return effect.release();
 }
 
 } // namespace blink