Remove isSupportedAttribute in svg

Source/core/svg/SVGFECompositeElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 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 63 matching lines @@
     visitor->trace(m_k3);
     visitor->trace(m_k4);
     visitor->trace(m_in1);
     visitor->trace(m_in2);
     visitor->trace(m_svgOperator);
     SVGFilterPrimitiveStandardAttributes::trace(visitor);
 }
 
 DEFINE_NODE_FACTORY(SVGFECompositeElement)
 
-bool SVGFECompositeElement::isSupportedAttribute(const QualifiedName& attrName)
-{
-    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty()) {
-        supportedAttributes.add(SVGNames::inAttr);
-        supportedAttributes.add(SVGNames::in2Attr);
-        supportedAttributes.add(SVGNames::operatorAttr);
-        supportedAttributes.add(SVGNames::k1Attr);
-        supportedAttributes.add(SVGNames::k2Attr);
-        supportedAttributes.add(SVGNames::k3Attr);
-        supportedAttributes.add(SVGNames::k4Attr);
-    }
-    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
-}
-
 bool SVGFECompositeElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
 {
     FEComposite* composite = static_cast<FEComposite*>(effect);
     if (attrName == SVGNames::operatorAttr)
         return composite->setOperation(m_svgOperator->currentValue()->enumValue());
     if (attrName == SVGNames::k1Attr)
         return composite->setK1(m_k1->currentValue()->value());
     if (attrName == SVGNames::k2Attr)
         return composite->setK2(m_k2->currentValue()->value());
     if (attrName == SVGNames::k3Attr)
         return composite->setK3(m_k3->currentValue()->value());
     if (attrName == SVGNames::k4Attr)
         return composite->setK4(m_k4->currentValue()->value());
 
     ASSERT_NOT_REACHED();
     return false;
 }
 
 
 void SVGFECompositeElement::svgAttributeChanged(const QualifiedName& attrName)
 {
-    if (!isSupportedAttribute(attrName)) {
-        SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
-        return;
-    }
-
-    SVGElement::InvalidationGuard invalidationGuard(this);
-
     if (attrName == SVGNames::operatorAttr
         || attrName == SVGNames::k1Attr
         || attrName == SVGNames::k2Attr
         || attrName == SVGNames::k3Attr
         || attrName == SVGNames::k4Attr) {
+        SVGElement::InvalidationGuard invalidationGuard(this);
         primitiveAttributeChanged(attrName);
         return;
     }
 
     if (attrName == SVGNames::inAttr || attrName == SVGNames::in2Attr) {
+        SVGElement::InvalidationGuard invalidationGuard(this);
         invalidate();
         return;
     }
 
-    ASSERT_NOT_REACHED();
+    SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
 }
 
 PassRefPtrWillBeRawPtr<FilterEffect> SVGFECompositeElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
     FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->currentValue()->value()));
     FilterEffect* input2 = filterBuilder->getEffectById(AtomicString(m_in2->currentValue()->value()));
 
     if (!input1 || !input2)
         return nullptr;
 
     RefPtrWillBeRawPtr<FilterEffect> effect = FEComposite::create(filter, m_svgOperator->currentValue()->enumValue(), m_k1->currentValue()->value(), m_k2->currentValue()->value(), m_k3->currentValue()->value(), m_k4->currentValue()->value());
     FilterEffectVector& inputEffects = effect->inputEffects();
     inputEffects.reserveCapacity(2);
     inputEffects.append(input1);
     inputEffects.append(input2);
     return effect.release();
 }
 
 } // namespace blink