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diff --git a/WebCore/storage/IDBKeyRange.h b/WebCore/storage/IDBKeyRange.h
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+/*
+ * Copyright (C) 2010 Google 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 AND ITS CONTRIBUTORS "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 OR ITS 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 IDBKeyRange_h
+#define IDBKeyRange_h
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include "IDBAny.h"
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+
+namespace WebCore {
+
+class SerializedScriptValue;
+
+class IDBKeyRange : public RefCounted<IDBKeyRange> {
+public:
+    // Keep in sync with what's in the .idl file.
+    enum Flags {
+        SINGLE = 0,
+        LEFT_OPEN = 1,
+        RIGHT_OPEN = 2,
+        LEFT_BOUND = 4,
+        RIGHT_BOUND = 8,
+    };
+
+    static PassRefPtr<IDBKeyRange> create(PassRefPtr<SerializedScriptValue> left, PassRefPtr<SerializedScriptValue> right, unsigned short flags)
+    {
+        return adoptRef(new IDBKeyRange(left, right, flags));
+    }
+    ~IDBKeyRange() { }
+
+
+    PassRefPtr<IDBAny> left() const { return m_left; }
+    PassRefPtr<IDBAny> right() const { return m_right; }
+    unsigned short flags() const { return m_flags; }
+
+private:
+    IDBKeyRange(PassRefPtr<SerializedScriptValue> left, PassRefPtr<SerializedScriptValue> right, unsigned short flags);
+
+    RefPtr<IDBAny> m_left;
+    RefPtr<IDBAny> m_right;
+    unsigned short m_flags;
+};
+
+} // namespace WebCore
+
+#endif
+
+#endif // IDBKeyRange_h