Bindings error message for missing required dictionary member should be more explicit.
Created attachment 292076 [details] Patch
Created attachment 292121 [details] WIP
Created attachment 292183 [details] Patch
Thanks for the review.
Comment on attachment 292183 [details] Patch Clearing flags on attachment: 292183 Committed r207711: <http://trac.webkit.org/changeset/207711>
All reviewed patches have been landed. Closing bug.