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diff --git a/Source/WebCore/dom/XMLDocumentParserScope.h b/Source/WebCore/dom/XMLDocumentParserScope.h
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+/*
+ * Copyright (C) 2009 Apple 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.
+ * 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 APPLE INC. ``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 APPLE INC. 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 XMLDocumentParserScope_h
+#define XMLDocumentParserScope_h
+
+#include <wtf/Noncopyable.h>
+
+#if ENABLE(XSLT)
+#include <libxml/tree.h>
+#endif
+
+namespace WebCore {
+
+    class CachedResourceLoader;
+
+    class XMLDocumentParserScope : public Noncopyable {
+    public:
+        XMLDocumentParserScope(CachedResourceLoader* cachedResourceLoader);
+        ~XMLDocumentParserScope();
+
+        static CachedResourceLoader* currentCachedResourceLoader;
+
+#if ENABLE(XSLT)
+        XMLDocumentParserScope(CachedResourceLoader* cachedResourceLoader, xmlGenericErrorFunc genericErrorFunc, xmlStructuredErrorFunc structuredErrorFunc = 0, void* errorContext = 0);
+#endif
+
+    private:
+        CachedResourceLoader* m_oldCachedResourceLoader;
+
+#if ENABLE(XSLT)
+        xmlGenericErrorFunc m_oldGenericErrorFunc;
+        xmlStructuredErrorFunc m_oldStructuredErrorFunc;
+        void* m_oldErrorContext;
+#endif
+    };
+
+} // namespace WebCore
+
+#endif // XMLDocumentParserScope_h