[gdm] Revert "manager: Don't reuse the same X server when we have a display server"

[Ray Strode <halfline src gnome org>]

commit cd28617d7582be7f2413a1ea47d03f88e3d768ec
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Mar 17 22:16:01 2014 -0400

    Revert "manager: Don't reuse the same X server when we have a display server"
    
    This reverts commit 72ccb27377886b9998ad8b5b7a3b3070474f90f3.
    
    We're going to take a different approach for this.

 daemon/gdm-manager.c |   20 +-------------------
 daemon/gdm-session.c |    6 ------
 daemon/gdm-session.h |    1 -
 3 files changed, 1 insertions(+), 26 deletions(-)
---
diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c
index 5c59dc9..f55d11e 100644
--- a/daemon/gdm-manager.c
+++ b/daemon/gdm-manager.c
@@ -870,25 +870,7 @@ on_start_user_session (StartUserSessionOperation *operation)
         }
 
         display = get_display_for_user_session (operation->session);
-
-        if (gdm_session_has_own_display_server (operation->session)) {
-                uid_t allowed_uid;
-
-                g_debug ("GdmManager: session has its display server, reusing our server for another login 
screen");
-
-                /* The seed session is going to follow the session worker
-                 * into the new display. Untie it from this display and
-                 * create a new seed session for us. */
-                allowed_uid = gdm_session_get_allowed_user (operation->session);
-                g_object_set_data (G_OBJECT (display), "gdm-seed-session", NULL);
-                g_object_set_data (G_OBJECT (operation->session), "gdm-display", NULL);
-                create_seed_session_for_display (operation->manager, display, allowed_uid);
-        } else {
-                /* In this case, the greeter's display is morphing into
-                 * the user session display. Kill the greeter on this session
-                 * and let the seed session follow the same display. */
-                gdm_display_stop_greeter_session (display);
-        }
+        gdm_display_stop_greeter_session (display);
 
         start_user_session (operation->manager, operation);
 
diff --git a/daemon/gdm-session.c b/daemon/gdm-session.c
index 45b8acc..7b6b5e2 100644
--- a/daemon/gdm-session.c
+++ b/daemon/gdm-session.c
@@ -2691,12 +2691,6 @@ out:
         return bypasses_xsession;
 }
 
-gboolean
-gdm_session_has_own_display_server (GdmSession *self)
-{
-        return FALSE;
-}
-
 void
 gdm_session_select_program (GdmSession *self,
                             const char *text)
diff --git a/daemon/gdm-session.h b/daemon/gdm-session.h
index 1d264f4..d953302 100644
--- a/daemon/gdm-session.h
+++ b/daemon/gdm-session.h
@@ -111,7 +111,6 @@ const char       *gdm_session_get_display_device          (GdmSession     *sessi
 const char       *gdm_session_get_display_seat_id         (GdmSession     *session);
 const char       *gdm_session_get_session_id              (GdmSession     *session);
 gboolean          gdm_session_bypasses_xsession           (GdmSession     *session);
-gboolean          gdm_session_has_own_display_server      (GdmSession     *session);
 
 void              gdm_session_start_conversation          (GdmSession *session,
                                                            const char *service_name);