
Most tray applets won't have an associated window in the same PID. We need to fall back to the WM_CLASS in this case. https://bugzilla.gnome.org/show_bug.cgi?id=673761
Most tray applets won't have an associated window in the same PID. We need to fall back to the WM_CLASS in this case. https://bugzilla.gnome.org/show_bug.cgi?id=673761