Comment 16 for bug 1304798

Ubuntu 14.04, account-plugin-facebook 0.11+14.04.20140409.1-0ubuntu1 (after ppa-purge of gnome3 ppa).
Still have empty login dialog when adding Facebook account (see detail on joinned log file):

(gnome-control-center.real:16388): goa-DEBUG: > GET /dialog/oauth?response_type=token&redirect_uri=https%3A%2F%2Fwww.facebook.com%2Fconnect%2Flogin_success.html&client_id=297654143624603&scope=user_events%2Cread_mailbox%2Cxmpp_login%2Cemail HTTP/1.1

(gnome-control-center.real:16388): goa-DEBUG: < HTTP/1.1 302 forced.302
(gnome-control-center.real:16388): goa-DEBUG: < Location: https://www.facebook.com/v1.0/dialog/oauth?redirect_uri=https%3A%2F%2Fwww.facebook.com%2Fconnect%2Flogin_success.html&scope=user_events%2Cread_mailbox%2Cxmpp_login%2Cemail&response_type=token&client_id=297654143624603&_rdr

(gnome-control-center.real:16388): goa-DEBUG: > GET /v1.0/dialog/oauth?redirect_uri=https%3A%2F%2Fwww.facebook.com%2Fconnect%2Flogin_success.html&scope=user_events%2Cread_mailbox%2Cxmpp_login%2Cemail&response_type=token&client_id=297654143624603&_rdr HTTP/1.1
(gnome-control-center.real:16388): goa-DEBUG: < HTTP/1.1 500 Internal Server Error
(gnome-control-center.real:16388): goa-DEBUG: < P3P: CP="Facebook does not have a P3P policy. Learn why here: http://fb.me/p3p"