[gnome-shell] Use GDM instead of libaccountsservice for fast user switching

[Giovanni Campagna <gcampagna src gnome org>]

commit 1dbbb4f91c0576284c340a1a0e40aa595aeaa0b8
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Tue Aug 14 17:49:46 2012 +0200

    Use GDM instead of libaccountsservice for fast user switching
    
    libaccountsservice uses gdmflexiserver internally, which has been
    removed from gdm. Instead, use libgdm directly.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=680231

 js/ui/unlockDialog.js |    2 +-
 js/ui/userMenu.js     |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/unlockDialog.js b/js/ui/unlockDialog.js
index c48fbeb..fcad526 100644
--- a/js/ui/unlockDialog.js
+++ b/js/ui/unlockDialog.js
@@ -208,7 +208,7 @@ const UnlockDialog = new Lang.Class({
     },
 
     _otherUserClicked: function(button, event) {
-        this._userManager.goto_login_session();
+        Gdm.goto_login_session_sync(null);
 
         this._userVerifier.cancel();
         this.emit('failed');
diff --git a/js/ui/userMenu.js b/js/ui/userMenu.js
index 07f7ee6..2f74301 100644
--- a/js/ui/userMenu.js
+++ b/js/ui/userMenu.js
@@ -779,7 +779,7 @@ const UserMenuButton = new Lang.Class({
         Main.overview.hide();
         if (this._screenSaverSettings.get_boolean(LOCK_ENABLED_KEY))
             Main.screenShield.lock(false);
-        this._userManager.goto_login_session();
+        Gdm.goto_login_session_sync(null);
     },
 
     _onQuitSessionActivate: function() {