[Wayland-bugs] [Bug 784319] Sometimes tooltip_popup_timeout() in gtk/gtktooltip.c causes crash after closing a window

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=784319

--- Comment #19 from Martin Stransky <stransky at redhat.com> ---
moz_container_realize() calls gtk_widget_set_window(), do we need to extra call
gtk_widget_set_has_window()?

https://github.com/stransky/gecko-dev/blob/master/widget/gtk/mozcontainer.cpp#L373

Also the gtk_widget_set_has_window(container, FALSE) is called only when the
toplevel GdkWindow is used for rendering:

https://dxr.mozilla.org/mozilla-central/source/widget/gtk/nsWindow.cpp#3750

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