ES6: Implement Object.setPrototypeOf

test/webkit/fast/js/Object-getOwnPropertyNames.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Copyright (C) 2005, 2006, 2007, 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
@@ skipping 53 matching lines @@
     "parseFloat": "['length', 'name']",
     "isNaN": "['length', 'name']",
     "isFinite": "['length', 'name']",
     "escape": "['length', 'name']",
     "unescape": "['length', 'name']",
     "decodeURI": "['length', 'name']",
     "decodeURIComponent": "['length', 'name']",
     "encodeURI": "['length', 'name']",
     "encodeURIComponent": "['length', 'name']",
 // Built-in ECMA objects
-    "Object": "['create', 'defineProperties', 'defineProperty', 'freeze', 'getOwnPropertyDescriptor', 'getOwnPropertyNames', 'getPrototypeOf', 'isExtensible', 'isFrozen', 'isSealed', 'keys', 'length', 'name', 'preventExtensions', 'prototype', 'seal']",
+    "Object": "['create', 'defineProperties', 'defineProperty', 'freeze', 'getOwnPropertyDescriptor', 'getOwnPropertyNames', 'getPrototypeOf', 'isExtensible', 'isFrozen', 'isSealed', 'keys', 'length', 'name', 'preventExtensions', 'prototype', 'seal', 'setPrototypeOf']",
     "Object.prototype": "['__defineGetter__', '__defineSetter__', '__lookupGetter__', '__lookupSetter__', '__proto__', 'constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable', 'toLocaleString', 'toString', 'valueOf']",
     "Function": "['length', 'name', 'prototype']",
     "Function.prototype": "['apply', 'bind', 'call', 'constructor', 'length', 'name', 'toString']",
     "Array": "['isArray', 'length', 'name', 'prototype']",
     "Array.prototype": "['concat', 'constructor', 'every', 'filter', 'forEach', 'indexOf', 'join', 'lastIndexOf', 'length', 'map', 'pop', 'push', 'reduce', 'reduceRight', 'reverse', 'shift', 'slice', 'some', 'sort', 'splice', 'toLocaleString', 'toString', 'unshift']",
     "String": "['fromCharCode', 'length', 'name', 'prototype']",
     "String.prototype": "['anchor', 'big', 'blink', 'bold', 'charAt', 'charCodeAt', 'concat', 'constructor', 'fixed', 'fontcolor', 'fontsize', 'indexOf', 'italics', 'lastIndexOf', 'length', 'link', 'localeCompare', 'match', 'replace', 'search', 'slice', 'small', 'split', 'strike', 'sub', 'substr', 'substring', 'sup', 'toLocaleLowerCase', 'toLocaleUpperCase', 'toLowerCase', 'toString', 'toUpperCase', 'trim', 'trimLeft', 'trimRight', 'valueOf']",
     "Boolean": "['length', 'name', 'prototype']",
     "Boolean.prototype": "['constructor', 'toString', 'valueOf']",
     "Number": "['MAX_VALUE', 'MIN_VALUE', 'NEGATIVE_INFINITY', 'NaN', 'POSITIVE_INFINITY', 'length', 'name', 'prototype']",
@@ skipping 41 matching lines @@
     "Number",
     "Date",
     "RegExp",
     "Error",
     "Math",
     "JSON"
 ];
 
 for (var i = 0; i < expectedGlobalPropertyNames.length; ++i)
     shouldBeTrue("globalPropertyNames.indexOf('" + expectedGlobalPropertyNames[i] + "') != -1");