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diff --git a/src/3rdparty/webkit/WebCore/storage/StorageAreaImpl.h b/src/3rdparty/webkit/WebCore/storage/StorageAreaImpl.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 StorageAreaImpl_h
+#define StorageAreaImpl_h
+
+#if ENABLE(DOM_STORAGE)
+
+#include "StorageArea.h"
+
+namespace WebCore {
+
+    class StorageAreaImpl : public StorageArea {
+    public:
+        static PassRefPtr<StorageArea> create(StorageType, SecurityOrigin*, PassRefPtr<StorageSyncManager>);
+        virtual ~StorageAreaImpl();
+        virtual PassRefPtr<StorageArea> copy(SecurityOrigin*);
+
+        // The HTML5 DOM Storage API
+        virtual unsigned length() const;
+        virtual String key(unsigned index, ExceptionCode& ec) const;
+        virtual String getItem(const String& key) const;
+        virtual void setItem(const String& key, const String& value, ExceptionCode& ec, Frame* sourceFrame);
+        virtual void removeItem(const String& key, Frame* sourceFrame);
+        virtual void clear(Frame* sourceFrame);
+
+        virtual bool contains(const String& key) const;
+        virtual void close();
+
+        // Could be called from a background thread.
+        void importItem(const String& key, const String& value);
+        SecurityOrigin* securityOrigin();
+
+    private:
+        StorageAreaImpl(StorageType, SecurityOrigin*, PassRefPtr<StorageSyncManager>);
+        StorageAreaImpl(SecurityOrigin*, StorageAreaImpl*);
+
+        void blockUntilImportComplete() const;
+
+        void dispatchStorageEvent(const String& key, const String& oldValue, const String& newValue, Frame* sourceFrame);
+
+        StorageType m_storageType;
+        RefPtr<SecurityOrigin> m_securityOrigin;
+        RefPtr<StorageMap> m_storageMap;
+
+        RefPtr<StorageAreaSync> m_storageAreaSync;
+        RefPtr<StorageSyncManager> m_storageSyncManager;
+
+#ifndef NDEBUG
+        bool m_isShutdown;
+#endif
+    };
+
+} // namespace WebCore
+
+#endif // ENABLE(DOM_STORAGE)
+
+#endif // StorageAreaImpl_h