As Tim pointed out in: https://bugs.webkit.org/show_bug.cgi?id=138454, isActive sounds more like a function than a getter.
<rdar://problem/19548897>
Created attachment 245086 [details] the patch
Comment on attachment 245086 [details] the patch Clearing flags on attachment: 245086 Committed r178864: <http://trac.webkit.org/changeset/178864>
All reviewed patches have been landed. Closing bug.