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diff --git a/src/3rdparty/webkit/JavaScriptCore/API/JSCallbackObject.h b/src/3rdparty/webkit/JavaScriptCore/API/JSCallbackObject.h
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+++ b/src/3rdparty/webkit/JavaScriptCore/API/JSCallbackObject.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
+ *
+ * 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 JSCallbackObject_h
+#define JSCallbackObject_h
+
+#include "JSObjectRef.h"
+#include "JSValueRef.h"
+#include "JSObject.h"
+
+namespace JSC {
+
+template <class Base>
+class JSCallbackObject : public Base {
+public:
+    JSCallbackObject(ExecState*, PassRefPtr<Structure>, JSClassRef, void* data);
+    JSCallbackObject(JSClassRef);
+    virtual ~JSCallbackObject();
+
+    void setPrivate(void* data);
+    void* getPrivate();
+
+    static const ClassInfo info;
+
+    JSClassRef classRef() const { return m_callbackObjectData->jsClass; }
+    bool inherits(JSClassRef) const;
+
+    static PassRefPtr<Structure> createStructure(JSValuePtr proto) 
+    { 
+        return Structure::create(proto, TypeInfo(ObjectType, ImplementsHasInstance | OverridesHasInstance)); 
+    }
+
+private:
+    virtual UString className() const;
+
+    virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
+    virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&);
+    
+    virtual void put(ExecState*, const Identifier&, JSValuePtr, PutPropertySlot&);
+
+    virtual bool deleteProperty(ExecState*, const Identifier&);
+    virtual bool deleteProperty(ExecState*, unsigned);
+
+    virtual bool hasInstance(ExecState* exec, JSValuePtr value, JSValuePtr proto);
+
+    virtual void getPropertyNames(ExecState*, PropertyNameArray&);
+
+    virtual double toNumber(ExecState*) const;
+    virtual UString toString(ExecState*) const;
+
+    virtual ConstructType getConstructData(ConstructData&);
+    virtual CallType getCallData(CallData&);
+    virtual const ClassInfo* classInfo() const { return &info; }
+
+    void init(ExecState*);
+ 
+    static JSCallbackObject* asCallbackObject(JSValuePtr);
+ 
+    static JSValuePtr call(ExecState*, JSObject* functionObject, JSValuePtr thisValue, const ArgList&);
+    static JSObject* construct(ExecState*, JSObject* constructor, const ArgList&);
+   
+    static JSValuePtr staticValueGetter(ExecState*, const Identifier&, const PropertySlot&);
+    static JSValuePtr staticFunctionGetter(ExecState*, const Identifier&, const PropertySlot&);
+    static JSValuePtr callbackGetter(ExecState*, const Identifier&, const PropertySlot&);
+
+    struct JSCallbackObjectData {
+        JSCallbackObjectData(void* privateData, JSClassRef jsClass)
+            : privateData(privateData)
+            , jsClass(jsClass)
+        {
+            JSClassRetain(jsClass);
+        }
+        
+        ~JSCallbackObjectData()
+        {
+            JSClassRelease(jsClass);
+        }
+        
+        void* privateData;
+        JSClassRef jsClass;
+    };
+    
+    OwnPtr<JSCallbackObjectData> m_callbackObjectData;
+};
+
+} // namespace JSC
+
+// include the actual template class implementation
+#include "JSCallbackObjectFunctions.h"
+
+#endif // JSCallbackObject_h