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diff --git a/src/3rdparty/webkit/WebCore/storage/StorageArea.h b/src/3rdparty/webkit/WebCore/storage/StorageArea.h
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+/*
+ * Copyright (C) 2008 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 StorageArea_h
+#define StorageArea_h
+
+#include "PlatformString.h"
+
+#include <wtf/Forward.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+    class Frame;
+    class SecurityOrigin;
+    class StorageMap;
+    typedef int ExceptionCode;
+
+    class StorageArea : public RefCounted<StorageArea> {
+    public:
+        virtual ~StorageArea();
+        
+        virtual unsigned length() const { return internalLength(); }
+        virtual String key(unsigned index, ExceptionCode& ec) const { return internalKey(index, ec); }
+        virtual String getItem(const String& key) const { return internalGetItem(key); }
+        virtual void setItem(const String& key, const String& value, ExceptionCode& ec, Frame* sourceFrame) { internalSetItem(key, value, ec, sourceFrame); }
+        virtual void removeItem(const String& key, Frame* sourceFrame) { internalRemoveItem(key, sourceFrame); }
+        virtual void clear(Frame* sourceFrame) { internalClear(sourceFrame); }
+        virtual bool contains(const String& key) const { return internalContains(key); }
+        
+        SecurityOrigin* securityOrigin() { return m_securityOrigin.get(); }
+
+    protected:
+        StorageArea(SecurityOrigin*);
+        StorageArea(SecurityOrigin*, StorageArea*);
+                
+        unsigned internalLength() const;
+        String internalKey(unsigned index, ExceptionCode&) const;
+        String internalGetItem(const String&) const;
+        void internalSetItem(const String& key, const String& value, ExceptionCode&, Frame* sourceFrame);
+        void internalRemoveItem(const String&, Frame* sourceFrame);
+        void internalClear(Frame* sourceFrame);
+        bool internalContains(const String& key) const;
+        
+        // This is meant to be called from a background thread for LocalStorageArea's background thread import procedure.
+        void importItem(const String& key, const String& value);
+
+    private:
+        virtual void itemChanged(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame) = 0;
+        virtual void itemRemoved(const String& key, const String& oldValue, Frame* sourceFrame) = 0;
+        virtual void areaCleared(Frame* sourceFrame) = 0;
+
+        RefPtr<SecurityOrigin> m_securityOrigin;
+        RefPtr<StorageMap> m_storageMap;
+    };
+
+} // namespace WebCore
+
+#endif // StorageArea_h