[gdm] session: rename on_session_{started, opened} to on_user_session_{started, opened}

[Ray Strode <halfline src gnome org>]

commit fab6fe9a1cd31396e43b9338d1b02c84e8636eda
Author: Ray Strode <rstrode redhat com>
Date:   Mon Feb 16 17:26:21 2015 -0500

    session: rename on_session_{started,opened} to on_user_session_{started,opened}
    
    All the other handlers dealing with user sessions have user in the
    name, so this commits brings the two outliers in line.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744764

 daemon/gdm-manager.c |   20 ++++++++++----------
 1 files changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c
index 4735194..c5cd627 100644
--- a/daemon/gdm-manager.c
+++ b/daemon/gdm-manager.c
@@ -1593,10 +1593,10 @@ start_user_session_if_ready (GdmManager *manager,
 }
 
 static void
-on_session_opened (GdmSession       *session,
-                   const char       *service_name,
-                   const char       *session_id,
-                   GdmManager       *manager)
+on_user_session_opened (GdmSession       *session,
+                        const char       *service_name,
+                        const char       *session_id,
+                        GdmManager       *manager)
 {
         manager->priv->user_sessions = g_list_append (manager->priv->user_sessions,
                                                       g_object_ref (session));
@@ -1611,10 +1611,10 @@ on_session_opened (GdmSession       *session,
 }
 
 static void
-on_session_started (GdmSession      *session,
-                    const char      *service_name,
-                    GPid             pid,
-                    GdmManager      *manager)
+on_user_session_started (GdmSession      *session,
+                         const char      *service_name,
+                         GPid             pid,
+                         GdmManager      *manager)
 {
         g_debug ("GdmManager: session started %d", pid);
 }
@@ -2062,11 +2062,11 @@ create_seed_session_for_display (GdmManager *manager,
                           manager);
         g_signal_connect (session,
                           "session-opened",
-                          G_CALLBACK (on_session_opened),
+                          G_CALLBACK (on_user_session_opened),
                           manager);
         g_signal_connect (session,
                           "session-started",
-                          G_CALLBACK (on_session_started),
+                          G_CALLBACK (on_user_session_started),
                           manager);
         g_signal_connect (session,
                           "session-exited",