BlockStack.h is no longer used after r226407 for Bug 181206.
Created attachment 348631 [details] Patch v1
Comment on attachment 348631 [details] Patch v1 r=me
Comment on attachment 348631 [details] Patch v1 Clearing flags on attachment: 348631 Committed r235547: <https://trac.webkit.org/changeset/235547>
All reviewed patches have been landed. Closing bug.
<rdar://problem/43935454>