Optimize hasTagName when called on an HTMLElement / SVGElement

Source/core/html/parser/HTMLTreeBuilder.cpp

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
- * Copyright (C) 2011 Apple Inc. All rights reserved.
+ * Copyright (C) 2011, 2014 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
@@ skipping 487 matching lines @@
         if (item->isSpecialNode() && !item->hasTagName(addressTag) && !item->hasTagName(divTag) && !item->hasTagName(pTag))
             break;
         nodeRecord = nodeRecord->next();
     }
     processFakePEndTagIfPInButtonScope();
     m_tree.insertHTMLElement(token);
 }
 
 typedef HashMap<AtomicString, QualifiedName> PrefixedNameToQualifiedNameMap;
 
-static void mapLoweredLocalNameToName(PrefixedNameToQualifiedNameMap* map, const QualifiedName* const* names, size_t length)
+template <typename TableQualifiedName>
+static void mapLoweredLocalNameToName(PrefixedNameToQualifiedNameMap* map, const TableQualifiedName* const* names, size_t length)
 {
     for (size_t i = 0; i < length; ++i) {
         const QualifiedName& name = *names[i];
         const AtomicString& localName = name.localName();
         AtomicString loweredLocalName = localName.lower();
         if (loweredLocalName != localName)
             map->add(loweredLocalName, name);
     }
 }
 
 static void adjustSVGTagNameCase(AtomicHTMLToken* token)
 {
     static PrefixedNameToQualifiedNameMap* caseMap = 0;
     if (!caseMap) {
         caseMap = new PrefixedNameToQualifiedNameMap;
-        OwnPtr<const QualifiedName*[]> svgTags = SVGNames::getSVGTags();
+        OwnPtr<const SVGQualifiedName*[]> svgTags = SVGNames::getSVGTags();
         mapLoweredLocalNameToName(caseMap, svgTags.get(), SVGNames::SVGTagsCount);
     }
 
     const QualifiedName& casedName = caseMap->get(token->name());
     if (casedName.localName().isNull())
         return;
     token->setName(casedName.localName());
 }
 
 template<PassOwnPtr<const QualifiedName*[]> getAttrs(), unsigned length>
@@ skipping 2256 matching lines @@
     ASSERT(m_isAttached);
     // Warning, this may detach the parser. Do not do anything else after this.
     m_tree.finishedParsing();
 }
 
 void HTMLTreeBuilder::parseError(AtomicHTMLToken*)
 {
 }
 
 } // namespace blink