Expose Cloning through API.

include/v8.h

 // Copyright 2007-2008 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
@@ skipping 1058 matching lines @@
   /** Tests for an index lookup interceptor.*/
   bool HasIndexedLookupInterceptor();
 
   /**
    * Turns on access check on the object if the object is an instance of
    * a template that has access check callbacks. If an object has no
    * access check info, the object cannot be accessed by anyone.
    */
   void TurnOnAccessCheck();
 
+  /**
+   * Clone this object with a fast but shallow copy.  Values will point
+   * to the same values as the original object.
+   */
+  Local<Object> Clone();
+
   static Local<Object> New();
   static Object* Cast(Value* obj);
  private:
   Object();
 };
 
 
 /**
  * An instance of the built-in array constructor (ECMA-262, 15.4.2).
  */
@@ skipping 1384 matching lines @@
 
 }  // namespace v8
 
 
 #undef EXPORT
 #undef EXPORT_INLINE
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_