As a step to change static_cast with toSVGXXX, static_cast<SVGMaskElement*> can be changed with toSVGMaskElement().
Blink merge from https://src.chromium.org/viewvc/blink?view=rev&revision=155432
Created attachment 208010 [details]
Comment on attachment 208010 [details]
Clearing flags on attachment: 208010
Committed r153687: <http://trac.webkit.org/changeset/153687>
All reviewed patches have been landed. Closing bug.