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diff --git a/Source/WebCore/bridge/runtime_object.h b/Source/WebCore/bridge/runtime_object.h
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+/*
+ * Copyright (C) 2003, 2008, 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 KJS_RUNTIME_OBJECT_H
+#define KJS_RUNTIME_OBJECT_H
+
+#include "Bridge.h"
+#include <runtime/JSGlobalObject.h>
+#include <runtime/JSObjectWithGlobalObject.h>
+
+namespace JSC {
+namespace Bindings {
+
+class RuntimeObject : public JSObjectWithGlobalObject {
+public:
+    RuntimeObject(ExecState*, JSGlobalObject*, PassRefPtr<Instance>);
+    virtual ~RuntimeObject();
+
+    virtual bool getOwnPropertySlot(ExecState*, const Identifier& propertyName, PropertySlot&);
+    virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier& propertyName, PropertyDescriptor&);
+    virtual void put(ExecState*, const Identifier& propertyName, JSValue, PutPropertySlot&);
+    virtual bool deleteProperty(ExecState*, const Identifier& propertyName);
+    virtual JSValue defaultValue(ExecState*, PreferredPrimitiveType) const;
+    virtual CallType getCallData(CallData&);
+    virtual ConstructType getConstructData(ConstructData&);
+
+    virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties);
+
+    void invalidate();
+
+    Instance* getInternalInstance() const { return m_instance.get(); }
+
+    static JSObject* throwInvalidAccessError(ExecState*);
+
+    static const ClassInfo s_info;
+
+    static ObjectPrototype* createPrototype(ExecState*, JSGlobalObject* globalObject)
+    {
+        return globalObject->objectPrototype();
+    }
+
+    static PassRefPtr<Structure> createStructure(JSValue prototype)
+    {
+        return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount);
+    }
+
+protected:
+    static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesGetPropertyNames | JSObject::StructureFlags;
+    RuntimeObject(ExecState*, JSGlobalObject*, NonNullPassRefPtr<Structure>, PassRefPtr<Instance>);
+
+private:
+    virtual const ClassInfo* classInfo() const { return &s_info; }
+    
+    static JSValue fallbackObjectGetter(ExecState*, JSValue, const Identifier&);
+    static JSValue fieldGetter(ExecState*, JSValue, const Identifier&);
+    static JSValue methodGetter(ExecState*, JSValue, const Identifier&);
+
+    RefPtr<Instance> m_instance;
+};
+    
+}
+}
+
+#endif