SVGElement::parseAttribute resolves property via property map (Step 2.6)

Source/core/svg/SVGStyleElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * 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 77 matching lines @@
 String SVGStyleElement::title() const
 {
     return fastGetAttribute(SVGNames::titleAttr);
 }
 
 void SVGStyleElement::setTitle(const AtomicString& title)
 {
     setAttribute(SVGNames::titleAttr, title);
 }
 
-bool SVGStyleElement::isSupportedAttribute(const QualifiedName& attrName)
-{
-    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty())
-        supportedAttributes.add(SVGNames::titleAttr);
-    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
-}
-
 void SVGStyleElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
-    if (!isSupportedAttribute(name)) {
-        SVGElement::parseAttribute(name, value);
+    if (name == SVGNames::titleAttr) {
+        if (m_sheet)
+            m_sheet->setTitle(value);
+
         return;
     }
 
-    if (name == SVGNames::titleAttr) {
-        if (m_sheet)
-            m_sheet->setTitle(value);
-        return;
-    }
-
-    ASSERT_NOT_REACHED();
+    SVGElement::parseAttribute(name, value);
 }
 
 void SVGStyleElement::finishParsingChildren()
 {
     StyleElement::finishParsingChildren(this);
     SVGElement::finishParsingChildren();
 }
 
 Node::InsertionNotificationRequest SVGStyleElement::insertedInto(ContainerNode* rootParent)
 {
@@ skipping 19 matching lines @@
     StyleElement::childrenChanged(this);
 }
 
 void SVGStyleElement::trace(Visitor* visitor)
 {
     StyleElement::trace(visitor);
     SVGElement::trace(visitor);
 }
 
 }