bug#25851: 25.2; GTK warning when starting Emacs when desktop file has more than one frame

[martin rudalics]

> After bisecting, I find that if I omit the last two lines, the GTK
> warning is not emitted. Either or both of these two lines is
> sufficient to produce the warning message:
>
>    $ src/emacs -Q --eval "(make-frame '((left . 0)))"
>
>    (emacs:13000): Gtk-WARNING **: gtk_window_parse_geometry() called on a 
window with no visible children; the window should be set up before 
gtk_window_parse_geometry() is called.
>
>    $ src/emacs -Q --eval "(make-frame '((top . 0)))"
>
>    (emacs:13008): Gtk-WARNING **: gtk_window_parse_geometry() called on a 
window with no visible children; the window should be set up before 
gtk_window_parse_geometry() is called.
>
>    $ src/emacs -Q --eval "(make-frame '((left . 0)(top . 0)))"
>
>    (emacs:13020): Gtk-WARNING **: gtk_window_parse_geometry() called on a 
window with no visible children; the window should be set up before 
gtk_window_parse_geometry() is called.

Thanks, I see now.  For some reason I was convinced that the visibility
settings in frameset were involved.

martin