Essentially due to ContextShadow being taken over by ShadowBlur.
Created attachment 100673 [details] patch
Comment on attachment 100673 [details] patch LGTM.
Comment on attachment 100673 [details] patch Clearing flags on attachment: 100673 Committed r90919: <http://trac.webkit.org/changeset/90919>
All reviewed patches have been landed. Closing bug.