HTML form validation popover sometimes does not go away when it should.
<rdar://problem/29985957>
<rdar://problem/30001932>
Created attachment 298718 [details] Patch
Created attachment 298728 [details] Patch
Sorry, I had 2 patches squashed together. Now it contains only the fix for this bug, sorry about that.
Comment on attachment 298728 [details] Patch Clearing flags on attachment: 298728 Committed r210689: <http://trac.webkit.org/changeset/210689>
All reviewed patches have been landed. Closing bug.