We could give ArgumentEncoder a little inline buffer for smaller messages to avoid churning the malloc heap.
Created attachment 178684 [details] Proposed patch
Comment on attachment 178684 [details] Proposed patch Clearing flags on attachment: 178684 Committed r137328: <http://trac.webkit.org/changeset/137328>
All reviewed patches have been landed. Closing bug.
Re-opened since this is blocked by bug 109367