Some InsertionPoint method can be moved to ContentDistribution.
Created attachment 178482 [details] Patch
Comment on attachment 178482 [details] Patch Looks ok
Comment on attachment 178482 [details] Patch Clearing flags on attachment: 178482 Committed r137119: <http://trac.webkit.org/changeset/137119>
All reviewed patches have been landed. Closing bug.