_didCommitLayerTree should avoid calling [scrollView setZoomScale] unnecessarily.
<rdar://problem/33150490>
Created attachment 315039 [details] Patch
Comment on attachment 315039 [details] Patch Clearing flags on attachment: 315039 Committed r219314: <http://trac.webkit.org/changeset/219314>
All reviewed patches have been landed. Closing bug.