The disk arbitration process was whitelisted in the WebKit sandbox long ago because it was needed for some AppKit use. The dependent routines have since changed, and we no longer seem to need access to this.
Let's get rid of it!
Created attachment 306303 [details]
Comment on attachment 306303 [details]
Clearing flags on attachment: 306303
Committed r215289: <http://trac.webkit.org/changeset/215289>
All reviewed patches have been landed. Closing bug.