Replaced HTMLIdentifier with an atomized string factory function

Source/core/html/parser/HTMLPreloadScanner.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 Torch Mobile, Inc. http://www.torchmobile.com/
  * Copyright (C) 2010 Google 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.
@@ skipping 29 matching lines @@
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 static bool match(const StringImpl* impl, const QualifiedName& qName)
 {
     return impl == qName.localName().impl();
 }
 
-static bool match(const HTMLIdentifier& name, const QualifiedName& qName)
-{
-    return match(name.asStringImpl(), qName);
-}
-
 static bool match(const AtomicString& name, const QualifiedName& qName)
 {
     ASSERT(isMainThread());
     return qName.localName() == name;
 }
 
+static bool match(const String& name, const QualifiedName& qName)
+{
+    return threadSafeMatch(name, qName);
+}
+
 static const StringImpl* tagImplFor(const HTMLToken::DataVector& data)
 {
     AtomicString tagName(data);
     const StringImpl* result = tagName.impl();
     if (result->isStatic())
         return result;
     return 0;
 }
 
-static const StringImpl* tagImplFor(const HTMLIdentifier& tagName)
+static const StringImpl* tagImplFor(const String& tagName)
 {
-    const StringImpl* result = tagName.asStringImpl();
+    const StringImpl* result = tagName.impl();
     if (result->isStatic())
         return result;
     return 0;
 }
 
 static String initiatorFor(const StringImpl* tagImpl)
 {
     ASSERT(tagImpl);
     if (match(tagImpl, imgTag))
         return imgTag.localName();
@@ skipping 318 matching lines @@
         if (m_token.type() == HTMLToken::StartTag)
             m_tokenizer->updateStateFor(AtomicString(m_token.name()));
         m_scanner.scan(m_token, m_source, requests);
         m_token.clear();
     }
 
     preloader->takeAndPreload(requests);
 }
 
 }