CTTE: RenderMathMLOperator always has a MathMLElement.
Created attachment 214491 [details] Patch
Comment on attachment 214491 [details] Patch Attachment 214491 [details] did not pass efl-ews (efl): Output: http://webkit-queues.appspot.com/results/4141063
Created attachment 214496 [details] Patch Reuploading for EWS since this depended on something else that just landed.
Comment on attachment 214496 [details] Patch Clearing flags on attachment: 214496 Committed r157599: <http://trac.webkit.org/changeset/157599>
All reviewed patches have been landed. Closing bug.