BlobRegistry no longer need SessionIDs, now that we have a single session per WebProcess.
Created attachment 379063 [details] Patch
Created attachment 379064 [details] Patch
Created attachment 379067 [details] Patch
Comment on attachment 379067 [details] Patch r=me
Comment on attachment 379067 [details] Patch Clearing flags on attachment: 379067 Committed r250061: <https://trac.webkit.org/changeset/250061>
All reviewed patches have been landed. Closing bug.
<rdar://problem/55495218>