Align Document.elementFromPoint() with the CSSOM specification:
parameters should be mandatory and of type double.
The parameters are mandatory in both Firefox and Chrome already.
Created attachment 303921 [details]
Comment on attachment 303921 [details]
Clearing flags on attachment: 303921
Committed r213646: <http://trac.webkit.org/changeset/213646>
All reviewed patches have been landed. Closing bug.