[gnome-control-center/wip/feborges/new-users-panel] user-accounts: Drop "Lock" button and add "Add User" button

[Felipe Borges <felipeborges src gnome org>]

commit e270bb10e65e47f49f10b3f0972f65ffb63faeed
Author: Felipe Borges <felipeborges gnome org>
Date:   Wed Jun 29 14:33:33 2016 +0200

    user-accounts: Drop "Lock" button and add "Add User" button

 panels/user-accounts/um-user-panel.c |   30 +++++++++++++++++++++---------
 1 files changed, 21 insertions(+), 9 deletions(-)
---
diff --git a/panels/user-accounts/um-user-panel.c b/panels/user-accounts/um-user-panel.c
index f323a04..58c8670 100644
--- a/panels/user-accounts/um-user-panel.c
+++ b/panels/user-accounts/um-user-panel.c
@@ -1322,14 +1322,6 @@ cc_user_panel_dispose (GObject *object)
         G_OBJECT_CLASS (cc_user_panel_parent_class)->dispose (object);
 }
 
-static GPermission *
-cc_user_panel_get_permission (CcPanel *panel)
-{
-        CcUserPanelPrivate *priv = UM_USER_PANEL (panel)->priv;
-
-        return priv->permission;
-}
-
 static const char *
 cc_user_panel_get_help_uri (CcPanel *panel)
 {
@@ -1337,14 +1329,34 @@ cc_user_panel_get_help_uri (CcPanel *panel)
 }
 
 static void
+cc_user_panel_constructed (GObject *object)
+{
+        GtkWidget *button;
+        CcShell *shell;
+
+        G_OBJECT_CLASS (cc_user_panel_parent_class)->constructed (object);
+
+        shell = cc_panel_get_shell (CC_PANEL (object));
+
+        button = gtk_button_new_with_mnemonic (_("_Add User"));
+        gtk_style_context_add_class (gtk_widget_get_style_context (button), "suggested-action");
+        gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
+        gtk_widget_set_visible (button, TRUE);
+
+        cc_shell_embed_widget_in_header (shell, button);
+
+        g_signal_connect (GTK_BUTTON (button), "clicked", G_CALLBACK (add_user), UM_USER_PANEL 
(object)->priv);
+}
+
+static void
 cc_user_panel_class_init (CcUserPanelClass *klass)
 {
         GObjectClass *object_class = G_OBJECT_CLASS (klass);
         CcPanelClass *panel_class = CC_PANEL_CLASS (klass);
 
         object_class->dispose = cc_user_panel_dispose;
+        object_class->constructed = cc_user_panel_constructed;
 
-        panel_class->get_permission = cc_user_panel_get_permission;
         panel_class->get_help_uri = cc_user_panel_get_help_uri;
 
         g_type_class_add_private (klass, sizeof (CcUserPanelPrivate));