This was caused by using the wrong variable when registering the folderized settings for WebSocketResource.
Created attachment 314873 [details] Patch
Comment on attachment 314873 [details] Patch r=me
Comment on attachment 314873 [details] Patch Clearing flags on attachment: 314873 Committed r219269: <http://trac.webkit.org/changeset/219269>
All reviewed patches have been landed. Closing bug.