Replace functions available in gtk+2 and gtk+3
gdk_window_get_* | since 2.24
gtk_widget_get_allocation | since 2.18
gtk_widget_get_window | since 2.14
gtk_window_get_group | since 2.10
gtk_widget_get_mapped | since 2.20
gtk_widget_get_realized | since 2.20
gdk_window_get_display | since 2.24
Remove deprecated GtkNotebookPage and check.