/usr/share/glib-2.0/schemas/10_unity-settings-daemon.gschema.override is in unity-settings-daemon 14.04.0+14.04.20140414-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [org.gnome.desktop.wm.keybindings]
switch-input-source=['<Super>space']
switch-input-source-backward=['<Shift><Super>space']
|