The 'immediate' default parameter has been forgotten.
Created attachment 250636 [details] Patch
Comment on attachment 250636 [details] Patch Yikes! Thank you for finding this! r=me.
(In reply to comment #2) > Comment on attachment 250636 [details] > Patch > > Yikes! Thank you for finding this! r=me. Thanks for reviewing :)
Committed r182736: <http://trac.webkit.org/changeset/182736>