There's a few unused GErrors in the tools' source code. Most functions that receive a GError can also accept NULL instead, so they can be removed.
Created attachment 178772 [details] Patch
Comment on attachment 178772 [details] Patch Clearing flags on attachment: 178772 Committed r137296: <http://trac.webkit.org/changeset/137296>
All reviewed patches have been landed. Closing bug.