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diff --git a/Source/WebCore/xml/XPathExpression.h b/Source/WebCore/xml/XPathExpression.h
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+++ b/Source/WebCore/xml/XPathExpression.h
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+/*
+ * Copyright 2005 Frerich Raabe <raabe@kde.org>
+ * Copyright (C) 2006 Apple Computer, Inc.
+ *
+ * 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 XPathExpression_h
+#define XPathExpression_h
+
+#if ENABLE(XPATH)
+
+#include <wtf/Forward.h>
+#include <wtf/RefCounted.h>
+#include <wtf/PassRefPtr.h>
+
+namespace WebCore {
+
+    typedef int ExceptionCode;
+
+    class Node;
+    class XPathNSResolver;
+    class XPathResult;
+
+    namespace XPath {
+        class Expression;
+    }
+
+    class XPathExpression : public RefCounted<XPathExpression> {
+    public:
+        static PassRefPtr<XPathExpression> create() { return adoptRef(new XPathExpression); }
+        ~XPathExpression();
+        
+        static PassRefPtr<XPathExpression> createExpression(const String& expression, XPathNSResolver*, ExceptionCode&);
+        PassRefPtr<XPathResult> evaluate(Node* contextNode, unsigned short type, XPathResult*, ExceptionCode&);
+            
+    private:
+        XPathExpression() { }
+
+        XPath::Expression* m_topExpression;
+    };
+
+}
+
+#endif // ENABLE(XPATH)
+
+#endif // XPathExpression_h