Don't expose Array.prototype.values as it breaks webcompat

src/array.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 "use strict";
 
 // This file relies on the fact that the following declarations have been made
 // in runtime.js:
 // var $Array = global.Array;
 
@@ skipping 1481 matching lines @@
 
   // Set up unscopable properties on the Array.prototype object.
   var unscopables = {
     __proto__: null,
     copyWithin: true,
     entries: true,
     fill: true,
     find: true,
     findIndex: true,
     keys: true,
-    values: true,
   };
   %AddNamedProperty($Array.prototype, symbolUnscopables, unscopables,
       DONT_ENUM | READ_ONLY);
 
   // Set up non-enumerable functions on the Array object.
   InstallFunctions($Array, DONT_ENUM, $Array(
     "isArray", ArrayIsArray
   ));
 
   var specialFunctions = %SpecialArrayFunctions();
@@ skipping 52 matching lines @@
   ));
 
   SetUpLockedPrototype(InternalPackedArray, $Array(), $Array(
     "join", getFunction("join", ArrayJoin),
     "pop", getFunction("pop", ArrayPop),
     "push", getFunction("push", ArrayPush)
   ));
 }
 
 SetUpArray();