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diff --git a/WebCore/history/CachedFrame.h b/WebCore/history/CachedFrame.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 CachedFrame_h
+#define CachedFrame_h
+
+#include "KURL.h"
+#include "ScriptCachedFrameData.h"
+#include <wtf/Noncopyable.h>
+
+namespace WebCore {
+    
+    class CachedFramePlatformData;
+    class DOMWindow;
+    class Document;
+    class DocumentLoader;
+    class Frame;
+    class FrameView;
+    class Node;
+
+class CachedFrame : public Noncopyable {
+public:
+    CachedFrame(Frame*);
+    ~CachedFrame();
+
+    void restore(Frame*);
+    void clear();
+
+    Document* document() const { return m_document.get(); }
+    DocumentLoader* documentLoader() const { return m_documentLoader.get(); }
+    FrameView* view() const { return m_view.get(); }
+    Node* mousePressNode() const { return m_mousePressNode.get(); }
+    const KURL& url() const { return m_URL; }
+    DOMWindow* domWindow() const { return m_cachedFrameScriptData.domWindow(); }
+
+    void setCachedFramePlatformData(CachedFramePlatformData*);
+    CachedFramePlatformData* cachedFramePlatformData();
+
+private:
+    RefPtr<Document> m_document;
+    RefPtr<DocumentLoader> m_documentLoader;
+    RefPtr<FrameView> m_view;
+    RefPtr<Node> m_mousePressNode;
+    KURL m_URL;
+    ScriptCachedFrameData m_cachedFrameScriptData;
+    OwnPtr<CachedFramePlatformData> m_cachedFramePlatformData;
+};
+
+} // namespace WebCore
+
+#endif // CachedFrame_h