FEDisplacementMapElement changes doesn't require relayout.
Created attachment 84207 [details] Proposed patch
Comment on attachment 84207 [details] Proposed patch LGTM.
Comment on attachment 84207 [details] Proposed patch Clearing flags on attachment: 84207 Committed r80022: <http://trac.webkit.org/changeset/80022>
All reviewed patches have been landed. Closing bug.