Revert of Revert of Hook up more import/exports in natives.

src/iterator-prototype.js

Index: src/iterator-prototype.js
diff --git a/src/iterator-prototype.js b/src/iterator-prototype.js
index efe56b89d8d3ad00026cbfc6f50ec7770a579464..96dd7bfde1886cb4aa497735efad7230733f29bf 100644
--- a/src/iterator-prototype.js
+++ b/src/iterator-prototype.js
@@ -15,7 +15,7 @@
     return this;
   }
 
-  $setFunctionName(IteratorPrototypeIterator, symbolIterator);
+  utils.SetFunctionName(IteratorPrototypeIterator, symbolIterator);
   %AddNamedProperty($iteratorPrototype, symbolIterator,
       IteratorPrototypeIterator, DONT_ENUM);
 })