Move "show whitespace" option into experiments as it feels kinda slow. It's not reverted, though, because it is still usable and important.
Created attachment 187795 [details]
Comment on attachment 187795 [details]
Clearing flags on attachment: 187795
Committed r142597: <http://trac.webkit.org/changeset/142597>
All reviewed patches have been landed. Closing bug.