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] Patch
Comment on attachment 272766 [details] Patch Clearing flags on attachment: 272766 Committed r197516: <http://trac.webkit.org/changeset/197516>
All reviewed patches have been landed. Closing bug.