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diff --git a/Source/WebCore/rendering/RenderObjectChildList.h b/Source/WebCore/rendering/RenderObjectChildList.h
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+++ b/Source/WebCore/rendering/RenderObjectChildList.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 COMPUTER, 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 COMPUTER, 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 RenderObjectChildList_h
+#define RenderObjectChildList_h
+
+#include "RenderStyleConstants.h"
+#include <wtf/Forward.h>
+
+namespace WebCore {
+
+class RenderObject;
+
+class RenderObjectChildList {
+public:
+    RenderObjectChildList()
+        : m_firstChild(0)
+        , m_lastChild(0)
+    {
+    }
+
+    RenderObject* firstChild() const { return m_firstChild; }
+    RenderObject* lastChild() const { return m_lastChild; }
+    
+    // FIXME: Temporary while RenderBox still exists. Eventually this will just happen during insert/append/remove methods on the child list, and nobody
+    // will need to manipulate firstChild or lastChild directly.
+    void setFirstChild(RenderObject* child) { m_firstChild = child; }
+    void setLastChild(RenderObject* child) { m_lastChild = child; }
+    
+    void destroyLeftoverChildren();
+
+    RenderObject* removeChildNode(RenderObject* owner, RenderObject*, bool fullRemove = true);
+    void appendChildNode(RenderObject* owner, RenderObject*, bool fullAppend = true);
+    void insertChildNode(RenderObject* owner, RenderObject* child, RenderObject* before, bool fullInsert = true);
+
+    void updateBeforeAfterContent(RenderObject* owner, PseudoId type, RenderObject* styledObject = 0);
+    void invalidateCounters(RenderObject* owner, const AtomicString& identifier);
+
+private:
+    RenderObject* m_firstChild;
+    RenderObject* m_lastChild;
+};
+
+} // namespace WebCore
+
+#endif // RenderObjectChildList_h