It makes no sense that we have two vectors to store lists of UIDs. This is a waste of space. Let's remove it.
<rdar://problem/22011290>
Created attachment 257563 [details] Patch
Created attachment 257564 [details] Patch
Comment on attachment 257564 [details] Patch Clearing flags on attachment: 257564 Committed r187435: <http://trac.webkit.org/changeset/187435>
All reviewed patches have been landed. Closing bug.