Report the extra memory cost of HTMLCollection to JSC.
Created attachment 225410 [details] Fixes the bug
Created attachment 225417 [details] Fixed builds
Comment on attachment 225417 [details] Fixed builds r=me
Created attachment 225420 [details] Fixed Windows build
<rdar://problem/16192764>
Committed r164853: <http://trac.webkit.org/changeset/164853>