Remove isSupportedAttribute in svg

Source/core/svg/SVGFETurbulenceElement.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 56 matching lines @@
     visitor->trace(m_baseFrequency);
     visitor->trace(m_seed);
     visitor->trace(m_stitchTiles);
     visitor->trace(m_type);
     visitor->trace(m_numOctaves);
     SVGFilterPrimitiveStandardAttributes::trace(visitor);
 }
 
 DEFINE_NODE_FACTORY(SVGFETurbulenceElement)
 
-bool SVGFETurbulenceElement::isSupportedAttribute(const QualifiedName& attrName)
-{
-    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty()) {
-        supportedAttributes.add(SVGNames::baseFrequencyAttr);
-        supportedAttributes.add(SVGNames::numOctavesAttr);
-        supportedAttributes.add(SVGNames::seedAttr);
-        supportedAttributes.add(SVGNames::stitchTilesAttr);
-        supportedAttributes.add(SVGNames::typeAttr);
-    }
-    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
-}
-
 bool SVGFETurbulenceElement::setFilterEffectAttribute(FilterEffect* effect, const QualifiedName& attrName)
 {
     FETurbulence* turbulence = static_cast<FETurbulence*>(effect);
     if (attrName == SVGNames::typeAttr)
         return turbulence->setType(m_type->currentValue()->enumValue());
     if (attrName == SVGNames::stitchTilesAttr)
         return turbulence->setStitchTiles(m_stitchTiles->currentValue()->enumValue());
     if (attrName == SVGNames::baseFrequencyAttr) {
         bool baseFrequencyXChanged = turbulence->setBaseFrequencyX(baseFrequencyX()->currentValue()->value());
         bool baseFrequencyYChanged = turbulence->setBaseFrequencyY(baseFrequencyY()->currentValue()->value());
         return (baseFrequencyXChanged || baseFrequencyYChanged);
     }
     if (attrName == SVGNames::seedAttr)
         return turbulence->setSeed(m_seed->currentValue()->value());
     if (attrName == SVGNames::numOctavesAttr)
         return turbulence->setNumOctaves(m_numOctaves->currentValue()->value());
 
     ASSERT_NOT_REACHED();
     return false;
 }
 
 void SVGFETurbulenceElement::svgAttributeChanged(const QualifiedName& attrName)
 {
-    if (!isSupportedAttribute(attrName)) {
-        SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
-        return;
-    }
-
-    SVGElement::InvalidationGuard invalidationGuard(this);
-
     if (attrName == SVGNames::baseFrequencyAttr
         || attrName == SVGNames::numOctavesAttr
         || attrName == SVGNames::seedAttr
         || attrName == SVGNames::stitchTilesAttr
         || attrName == SVGNames::typeAttr) {
+        SVGElement::InvalidationGuard invalidationGuard(this);
         primitiveAttributeChanged(attrName);
         return;
     }
 
-    ASSERT_NOT_REACHED();
+    SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
 }
 
 PassRefPtrWillBeRawPtr<FilterEffect> SVGFETurbulenceElement::build(SVGFilterBuilder*, Filter* filter)
 {
     if (baseFrequencyX()->currentValue()->value() < 0 || baseFrequencyY()->currentValue()->value() < 0)
         return nullptr;
     return FETurbulence::create(filter, m_type->currentValue()->enumValue(), baseFrequencyX()->currentValue()->value(), baseFrequencyY()->currentValue()->value(), m_numOctaves->currentValue()->value(), m_seed->currentValue()->value(), m_stitchTiles->currentValue()->enumValue() == SVG_STITCHTYPE_STITCH);
 }
 
 } // namespace blink