Expose hasOwnProperty() through API.

include/v8.h

-// Copyright 2007-2009 the V8 project authors. All rights reserved.
+// Copyright 2011 the V8 project authors. 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.
@@ skipping 1569 matching lines @@
   /** Sets the value in an internal field. */
   V8EXPORT void SetInternalField(int index, Handle<Value> value);
 
   /** Gets a native pointer from an internal field. */
   inline void* GetPointerFromInternalField(int index);
 
   /** Sets a native pointer in an internal field. */
   V8EXPORT void SetPointerInInternalField(int index, void* value);
 
   // Testers for local properties.
+  V8EXPORT bool HasOwnProperty(Handle<String> key);
   V8EXPORT bool HasRealNamedProperty(Handle<String> key);
   V8EXPORT bool HasRealIndexedProperty(uint32_t index);
   V8EXPORT bool HasRealNamedCallbackProperty(Handle<String> key);
 
   /**
    * If result.IsEmpty() no real property was located in the prototype chain.
    * This means interceptors in the prototype chain are not called.
    */
   V8EXPORT Local<Value> GetRealNamedPropertyInPrototypeChain(
       Handle<String> key);
@@ skipping 2391 matching lines @@
 
 
 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_