Currently there's the following FIXME in RenderGrid::computeIntrinsicLogicalWidths():
// FIXME: This should add in the scrollbarWidth (e.g. see RenderFlexibleBox).
We should add the scrollbar width when we calculate the intrinsic with of the grid container.
Created attachment 253148 [details]
Comment on attachment 253148 [details]
Clearing flags on attachment: 253148
Committed r184446: <http://trac.webkit.org/changeset/184446>
All reviewed patches have been landed. Closing bug.