/usr/share/gconf/ is in libgnome2-common 2.32.1-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gconf/defaults/
/usr/share/gconf/defaults/10_libgnome2-common
/usr/share/gconf/schemas/
/usr/share/gconf/schemas/desktop_gnome_accessibility_keyboard.schemas
/usr/share/gconf/schemas/desktop_gnome_accessibility_startup.schemas
/usr/share/gconf/schemas/desktop_gnome_applications_at_mobility.schemas
/usr/share/gconf/schemas/desktop_gnome_applications_at_visual.schemas
/usr/share/gconf/schemas/desktop_gnome_applications_browser.schemas
/usr/share/gconf/schemas/desktop_gnome_applications_office.schemas
/usr/share/gconf/schemas/desktop_gnome_applications_terminal.schemas
/usr/share/gconf/schemas/desktop_gnome_applications_window_manager.schemas
/usr/share/gconf/schemas/desktop_gnome_background.schemas
/usr/share/gconf/schemas/desktop_gnome_file_views.schemas
/usr/share/gconf/schemas/desktop_gnome_interface.schemas
/usr/share/gconf/schemas/desktop_gnome_lockdown.schemas
/usr/share/gconf/schemas/desktop_gnome_peripherals_keyboard.schemas
/usr/share/gconf/schemas/desktop_gnome_peripherals_mouse.schemas
/usr/share/gconf/schemas/desktop_gnome_sound.schemas
/usr/share/gconf/schemas/desktop_gnome_thumbnail_cache.schemas
/usr/share/gconf/schemas/desktop_gnome_thumbnailers.schemas
/usr/share/gconf/schemas/desktop_gnome_typing_break.schemas