Use InternalArray in Object.getOwnPropertyNames() implementation

src/array.js

 // Copyright 2012 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
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 //
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@@ skipping 1535 matching lines @@
     "reduce", getFunction("reduce", ArrayReduce, 1),
     "reduceRight", getFunction("reduceRight", ArrayReduceRight, 1)
   ));
 
   %FinishArrayPrototypeSetup($Array.prototype);
 
   // The internal Array prototype doesn't need to be fancy, since it's never
   // exposed to user code.
   // Adding only the functions that are actually used.
   SetUpLockedPrototype(InternalArray, $Array(), $Array(
+    "concat", getFunction("concat", ArrayConcat),

[Vyacheslav Egorov (Google), 2013/02/26 01:21:33]

concat will return a normal Array, thus if you are doing several concats in a
row then only the first one is protected, the rest can be replaced.

(can happen in interceptor case).

[adamk, 2013/02/26 01:44:53]

I think this is enough reason to take another approach here; Michael, you can
hold off on reviewing until I ping this back again.

     "indexOf", getFunction("indexOf", ArrayIndexOf),
     "join", getFunction("join", ArrayJoin),
     "pop", getFunction("pop", ArrayPop),
     "push", getFunction("push", ArrayPush),
     "splice", getFunction("splice", ArraySplice)
   ));
 
   SetUpLockedPrototype(InternalPackedArray, $Array(), $Array(
     "join", getFunction("join", ArrayJoin),
     "pop", getFunction("pop", ArrayPop),
     "push", getFunction("push", ArrayPush)
   ));
 }
 
 SetUpArray();