File objects in FormData sometimes have empty paths (see bug 111778). In this case, we fail to create a sandbox extension, log an error to console. This should not happen, because this is not an error condition.
Created attachment 192100 [details]
Comment on attachment 192100 [details]
Clearing flags on attachment: 192100
Committed r145167: <http://trac.webkit.org/changeset/145167>
All reviewed patches have been landed. Closing bug.