We never used it. It is getting in the way of moving ProfilerAgent to JSC.
Created attachment 228328 [details] Patch
Comment on attachment 228328 [details] Patch Looks good. r=me
Comment on attachment 228328 [details] Patch Clearing flags on attachment: 228328 Committed r166622: <http://trac.webkit.org/changeset/166622>
All reviewed patches have been landed. Closing bug.