Call builtin code wrapped in functions from the bootstrapper.

src/string-iterator.js

Index: src/string-iterator.js
diff --git a/src/string-iterator.js b/src/string-iterator.js
index 200cc6c75a042f787a0fb44f0344d1e34576f310..c19e808020cee52355bfbfcf28bbd37fd72ee4ef 100644
--- a/src/string-iterator.js
+++ b/src/string-iterator.js
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-(function() {
+(function(global, shared, exports) {
 
 "use strict";
 
@@ -101,4 +101,4 @@ $setFunctionName(StringPrototypeIterator, symbolIterator);
 %AddNamedProperty(GlobalString.prototype, symbolIterator,
                   StringPrototypeIterator, DONT_ENUM);
 
-})();
+})