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diff --git a/Source/JavaScriptCore/bindings/ScriptValue.h b/Source/JavaScriptCore/bindings/ScriptValue.h
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+++ b/Source/JavaScriptCore/bindings/ScriptValue.h
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+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ * Copyright (c) 2008, 2011 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER 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 ScriptValue_h
+#define ScriptValue_h
+
+#include "JSCJSValue.h"
+#include "JSCJSValueInlines.h"
+#include "Operations.h"
+#include "Strong.h"
+#include "StrongInlines.h"
+#include <wtf/PassRefPtr.h>
+#include <wtf/text/WTFString.h>
+
+namespace Inspector {
+class InspectorValue;
+}
+
+namespace Deprecated {
+
+class JS_EXPORT_PRIVATE ScriptValue {
+public:
+    ScriptValue() { }
+    ScriptValue(JSC::VM& vm, JSC::JSValue value) : m_value(vm, value) { }
+    virtual ~ScriptValue();
+
+    operator JSC::JSValue() const { return jsValue(); }
+    JSC::JSValue jsValue() const { return m_value.get(); }
+    bool getString(JSC::ExecState*, String& result) const;
+    String toString(JSC::ExecState*) const;
+    bool isEqual(JSC::ExecState*, const ScriptValue&) const;
+    bool isNull() const;
+    bool isUndefined() const;
+    bool isObject() const;
+    bool isFunction() const;
+    bool hasNoValue() const { return !m_value; }
+
+    void clear() { m_value.clear(); }
+
+    bool operator==(const ScriptValue& other) const { return m_value == other.m_value; }
+
+    RefPtr<Inspector::InspectorValue> toInspectorValue(JSC::ExecState*) const;
+
+private:
+    JSC::Strong<JSC::Unknown> m_value;
+};
+
+} // namespace Deprecated
+
+#endif // ScriptValue_h