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diff --git a/Source/WebCore/dom/MutationEvent.h b/Source/WebCore/dom/MutationEvent.h
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+++ b/Source/WebCore/dom/MutationEvent.h
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+/*
+ * Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
+ * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
+ * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef MutationEvent_h
+#define MutationEvent_h
+
+#include "Event.h"
+#include "Node.h"
+
+namespace WebCore {
+
+    class MutationEvent : public Event {
+    public:
+        virtual ~MutationEvent();
+
+        enum attrChangeType {
+            MODIFICATION    = 1,
+            ADDITION        = 2,
+            REMOVAL         = 3
+        };
+
+        static PassRefPtr<MutationEvent> create()
+        {
+            return adoptRef(new MutationEvent);
+        }
+
+        static PassRefPtr<MutationEvent> create(const AtomicString& type, bool canBubble, PassRefPtr<Node> relatedNode = 0,
+            const String& prevValue = String(), const String& newValue = String(), const String& attrName = String(), unsigned short attrChange = 0)
+        {
+            return adoptRef(new MutationEvent(type, canBubble, false, relatedNode, prevValue, newValue, attrName, attrChange));
+        }
+
+        void initMutationEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<Node> relatedNode,
+                               const String& prevValue, const String& newValue,
+                               const String& attrName, unsigned short attrChange);
+
+        Node* relatedNode() const { return m_relatedNode.get(); }
+        String prevValue() const { return m_prevValue; }
+        String newValue() const { return m_newValue; }
+        String attrName() const { return m_attrName; }
+        unsigned short attrChange() const { return m_attrChange; }
+
+        virtual bool isMutationEvent() const;
+
+    private:
+        MutationEvent();
+        MutationEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<Node> relatedNode,
+                      const String& prevValue, const String& newValue,
+                      const String& attrName, unsigned short attrChange);
+
+        RefPtr<Node> m_relatedNode;
+        String m_prevValue;
+        String m_newValue;
+        String m_attrName;
+        unsigned short m_attrChange;
+    };
+
+} // namespace WebCore
+
+#endif // MutationEvent_h