Undoes the accidental reversion in 5038 http://codereview.appspot.com/6496100
Undoes the accidental reversion in 5038
http://codereview.appspot.com/6496100

r5038 accidentally reverted changes in repairES5.js 
This restores those changes.

R=felix8a@gmail.com


git-svn-id: eb21526166532bd3afc2c1499c0cf105ce815f5a@5040 360991c0-9f3b-0410-ba87-8b362a00edf4

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