Simplify SVGAnimat\w+Element::parseAttribute

Source/core/svg/SVGAnimateTransformElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Apple Inc. 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
  * version 2 of the License, or (at your option) any later version.
@@ skipping 32 matching lines @@
     SVGElement* targetElement = this->targetElement();
     if (!targetElement)
         return false;
 
     if (attributeType() == AttributeTypeCSS)
         return false;
 
     return animatedPropertyType() == AnimatedTransformList;
 }
 
-bool SVGAnimateTransformElement::isSupportedAttribute(const QualifiedName& attrName)
-{
-    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty())
-        supportedAttributes.add(SVGNames::typeAttr);
-    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
-}
-
 void SVGAnimateTransformElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
-    if (!isSupportedAttribute(name)) {
-        SVGAnimateElement::parseAttribute(name, value);
-        return;
-    }
-
     if (name == SVGNames::typeAttr) {
         m_type = parseTransformType(value);
         if (m_type == SVG_TRANSFORM_MATRIX)
             m_type = SVG_TRANSFORM_UNKNOWN;
         return;
     }
 
-    ASSERT_NOT_REACHED();
+    SVGAnimateElement::parseAttribute(name, value);
 }
 
 }