The various WebKit2 processes were created using the full AppKit runloop. Since AppKit is designed to support full applications, it has features that are not needed for our focused lower-level WebKit processes. We should move to a lower-level runloop concept so that we can tighten the sandboxes on WebProcess, NetworkProcess, etc., even further.
<rdar://problem/14012823>
Forward-duping to <https://bugs.webkit.org/show_bug.cgi?id=179804>. *** This bug has been marked as a duplicate of bug 179804 ***