Add support for DOM4's XMLDocument interface

Source/core/dom/XMLDocument.h

 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * 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.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef SpeechRecognitionAlternative_h
-#define SpeechRecognitionAlternative_h
+#ifndef XMLDocument_h
+#define XMLDocument_h
 
-#include "bindings/v8/ScriptWrappable.h"
-#include "wtf/RefCounted.h"
-#include "wtf/text/WTFString.h"
+#include "core/dom/Document.h"
+#include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
-class ExecutionContext;
+class XMLDocument : public Document {
+public:
+    static PassRefPtr<XMLDocument> create(const DocumentInit& initializer = DocumentInit())
+    {
+        return adoptRef(new XMLDocument(initializer, XMLDocumentClass));
+    }
 
-class SpeechRecognitionAlternative : public ScriptWrappable, public RefCounted<SpeechRecognitionAlternative> {
-public:
-    static PassRefPtr<SpeechRecognitionAlternative> create(const String&, double);
+    static PassRefPtr<XMLDocument> createXHTML(const DocumentInit& initializer = DocumentInit())
+    {
+        return adoptRef(new XMLDocument(initializer, XMLDocumentClass | XHTMLDocumentClass));
+    }
 
-    const String& transcript() const { return m_transcript; }
-    double confidence() const { return m_confidence; }
+protected:
+    XMLDocument(const DocumentInit&, DocumentClassFlags documentClasses);
+};
 
-private:
-    SpeechRecognitionAlternative(const String&, double);
-
-    String m_transcript;
-    double m_confidence;
-};
+DEFINE_DOCUMENT_TYPE_CASTS(XMLDocument);
 
 } // namespace WebCore
 
-#endif // SpeechRecognitionAlternative_h
+#endif // XMLDocument_h