We already stopped doing layout time mutations. We can now move the code out too.
Created attachment 318491 [details] patch
Comment on attachment 318491 [details] patch Another nice one. r=me
Comment on attachment 318491 [details] patch Clearing flags on attachment: 318491 Committed r220916: <http://trac.webkit.org/changeset/220916>
All reviewed patches have been landed. Closing bug.
<rdar://problem/33962529>