Optimize editing updates in the gutter panel. Instead of rebuilding all chunks, now we update only the very last chunk and delete/create others as necessary.
Created attachment 83145 [details] Patch
Comment on attachment 83145 [details] Patch Clearing flags on attachment: 83145 Committed r79221: <http://trac.webkit.org/changeset/79221>
All reviewed patches have been landed. Closing bug.