Columns alignment is not proper in Dev Tools > Profiles
Analysis: DataGridNode.refresh removes all cells and then recreates them.
The issue is that mandatory "corner" cell is not recreated.
Created attachment 190723 [details]
Comment on attachment 190723 [details]
Clearing flags on attachment: 190723
Committed r144437: <http://trac.webkit.org/changeset/144437>
All reviewed patches have been landed. Closing bug.