InjectedBundle::setPrivateBrowsingEnabled only enables private browsing in WebProcess, not in NetworkProcess.
One complication here is that we need to go through UI process - letting WebProcess directly change private browsing settings in NetworkProcess would be undesirable for security.
Created attachment 272766 [details]
Comment on attachment 272766 [details]
Clearing flags on attachment: 272766
Committed r197516: <http://trac.webkit.org/changeset/197516>
All reviewed patches have been landed. Closing bug.