MemoryMeasure was an old WebKit1-era helper for logging how much memory was freed up by some action.
It doesn't measure anything interesting these days and is only used in one place, so let's get rid of it.
Created attachment 302307 [details]
Comment on attachment 302307 [details]
Clearing flags on attachment: 302307
Committed r212768: <http://trac.webkit.org/changeset/212768>
All reviewed patches have been landed. Closing bug.
Re-opened since this is blocked by bug 168698