Have Document::parseQualifiedName() deal with AtomicStrings

Source/core/dom/DOMImplementation.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2008, 2009 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
@@ skipping 160 matching lines @@
 {
     if (feature.startsWith("http://www.w3.org/TR/SVG", false)
     || feature.startsWith("org.w3c.dom.svg", false)
     || feature.startsWith("org.w3c.svg", false)) {
         // FIXME: SVG 2.0 support?
         return isSupportedSVG10Feature(feature, version) || isSupportedSVG11Feature(feature, version);
     }
     return true;
 }
 
-PassRefPtr<DocumentType> DOMImplementation::createDocumentType(const String& qualifiedName,
+PassRefPtr<DocumentType> DOMImplementation::createDocumentType(const AtomicString& qualifiedName,
     const String& publicId, const String& systemId, ExceptionState& exceptionState)
 {
-    String prefix, localName;
+    AtomicString prefix, localName;
     if (!Document::parseQualifiedName(qualifiedName, prefix, localName, exceptionState))
         return 0;
 
     return DocumentType::create(&m_document, qualifiedName, publicId, systemId);
 }
 
 DOMImplementation* DOMImplementation::getInterface(const String& /*feature*/)
 {
     return 0;
 }
 
-PassRefPtr<Document> DOMImplementation::createDocument(const String& namespaceURI,
-    const String& qualifiedName, DocumentType* doctype, ExceptionState& exceptionState)
+PassRefPtr<Document> DOMImplementation::createDocument(const AtomicString& namespaceURI,
+    const AtomicString& qualifiedName, DocumentType* doctype, ExceptionState& exceptionState)
 {
     RefPtr<Document> doc;
     DocumentInit init = DocumentInit::fromContext(m_document.contextDocument());
     if (namespaceURI == SVGNames::svgNamespaceURI) {
         doc = SVGDocument::create(init);
     } else if (namespaceURI == HTMLNames::xhtmlNamespaceURI) {
         doc = Document::createXHTML(init.withRegistrationContext(m_document.registrationContext()));
     } else {
         doc = Document::create(init);
     }
@@ skipping 151 matching lines @@
         return TextDocument::create(init);
     if (type == "image/svg+xml")
         return SVGDocument::create(init);
     if (isXMLMIMEType(type))
         return Document::create(init);
 
     return HTMLDocument::create(init);
 }
 
 }