This function is expensive and it does not change for the browser. No need to recalculate it every time it is called; just cache the returned value.
Created attachment 320085 [details] Patch
Comment on attachment 320085 [details] Patch Clearing flags on attachment: 320085 Committed r221735: <http://trac.webkit.org/changeset/221735>
All reviewed patches have been landed. Closing bug.
<rdar://problem/34694068>