[recipes] Fix the cooking cancel confirmation

[Matthias Clasen <matthiasc src gnome org>]

commit 17e76b22a5b1701307b3eb186d4d4187a8973b3b
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 13 21:10:26 2017 -0400

    Fix the cooking cancel confirmation
    
    I was trying in a silly way to figure out if the cooking view
    has any running timers, and got it wrong. Just use the existing
    cooking view API for this purpose.

 src/gr-cooking-page.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/src/gr-cooking-page.c b/src/gr-cooking-page.c
index 4627473..98ab9f3 100644
--- a/src/gr-cooking-page.c
+++ b/src/gr-cooking-page.c
@@ -254,12 +254,9 @@ set_cooking (GrCookingPage *page,
                 gr_window_set_fullscreen (GR_WINDOW (window), TRUE);
         }
         else {
-                GList *children;
                 gboolean has_timers;
 
-                children = gtk_container_get_children (GTK_CONTAINER (page->mini_timer_box));
-                has_timers = children != NULL;
-                g_list_free (children);
+                has_timers = gr_cooking_view_has_active_timers (GR_COOKING_VIEW (page->cooking_view));
 
                 if (has_timers)
                         confirm_close (page);