An accident in https://trac.webkit.org/changeset/196383 made it impossible to enable RuleSet's automagic shrink-to-fit mechanism.
We should fix this so that non-author style RuleSets get shrink-wrapped after adding a sheet.
This will reduce memory consumption of extension stylesheets somewhat.
Created attachment 300003 [details]
Comment on attachment 300003 [details]
Clearing flags on attachment: 300003
Committed r211335: <http://trac.webkit.org/changeset/211335>
All reviewed patches have been landed. Closing bug.