Currently this input parameter is ignored.
Created attachment 100877 [details] Proposed patch
This code looks good to me. I'm not a WebKit reviewer so we still need an official review.
Comment on attachment 100877 [details] Proposed patch R=me
Comment on attachment 100877 [details] Proposed patch Clearing flags on attachment: 100877 Committed r91205: <http://trac.webkit.org/changeset/91205>
All reviewed patches have been landed. Closing bug.