Optimize hasTagName when called on an HTMLElement / SVGElement

Source/core/xml/parser/XMLDocumentParser.cpp

 /*
  * Copyright (C) 2000 Peter Kelly (pmk@post.com)
- * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2005, 2006, 2008, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Holger Hans Peter Freyther
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * 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 484 matching lines @@
 }
 
 bool XMLDocumentParser::parseDocumentFragment(const String& chunk, DocumentFragment* fragment, Element* contextElement, ParserContentPolicy parserContentPolicy)
 {
     if (!chunk.length())
         return true;
 
     // FIXME: We need to implement the HTML5 XML Fragment parsing algorithm:
     // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-xhtml-syntax.html#xml-fragment-parsing-algorithm
     // For now we have a hack for script/style innerHTML support:
-    if (contextElement && (contextElement->hasLocalName(HTMLNames::scriptTag) || contextElement->hasLocalName(HTMLNames::styleTag))) {
+    if (contextElement && (contextElement->hasLocalName(scriptTag.localName()) || contextElement->hasLocalName(styleTag.localName()))) {
         fragment->parserAppendChild(fragment->document().createTextNode(chunk));
         return true;
     }
 
     RefPtrWillBeRawPtr<XMLDocumentParser> parser = XMLDocumentParser::create(fragment, contextElement, parserContentPolicy);
     bool wellFormed = parser->appendFragmentSource(chunk);
 
     // Do not call finish(). Current finish() and doEnd() implementations touch
     // the main Document/loader and can cause crashes in the fragment case.
 
@@ skipping 1112 matching lines @@
     sax.initialized = XML_SAX2_MAGIC;
     RefPtr<XMLParserContext> parser = XMLParserContext::createStringParser(&sax, &state);
     String parseString = "<?xml version=\"1.0\"?><attrs " + string + " />";
     parseChunk(parser->context(), parseString);
     finishParsing(parser->context());
     attrsOK = state.gotAttributes;
     return state.attributes;
 }
 
 } // namespace blink