diff -r b72c6db6890b -r 5dc02b23752f src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.h
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.h	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.h	Tue Jul 06 15:10:48 2010 +0300
@@ -85,7 +85,7 @@
 
         static PassRefPtr<Structure> createStructure(JSValue prototype) 
         { 
-            return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags)); 
+            return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount); 
         }
 
     protected:
@@ -96,6 +96,7 @@
         virtual bool getOwnPropertySlot(ExecState*, const Identifier& propertyName, PropertySlot&);
         virtual bool getOwnPropertySlot(ExecState*, unsigned propertyName, PropertySlot&);
         virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&);
+        virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties);
         virtual void put(ExecState*, const Identifier& propertyName, JSValue, PutPropertySlot&);
         virtual void put(ExecState*, unsigned propertyName, JSValue, PutPropertySlot&);
         virtual bool deleteProperty(ExecState*, const Identifier& propertyName);