Prevent people from toggling open the sidebar and getting confused.
<rdar://problem/24956380>
Created attachment 272765 [details] Patch
Comment on attachment 272765 [details] Patch r=me
Comment on attachment 272765 [details] Patch Clearing flags on attachment: 272765 Committed r197537: <http://trac.webkit.org/changeset/197537>
All reviewed patches have been landed. Closing bug.