They manipulate the static tracker maps. No need to have them on RenderBlock.
Created attachment 281229 [details]
Comment on attachment 281229 [details]
View in context: https://bugs.webkit.org/attachment.cgi?id=281229&action=review
> + HashSet<const RenderBlock*>* containerSet = it->value.get();
Created attachment 281260 [details]
Comment on attachment 281260 [details]
Clearing flags on attachment: 281260
Committed r202044: <http://trac.webkit.org/changeset/202044>
All reviewed patches have been landed. Closing bug.