LibreOffice has had direct support for Google Drive since (I think) 5.1,
via libcmis.

Change-Id: I7587923b3fd7dd505124b790066cdaa99a858af1
Reviewed-on: https://gerrit.libreoffice.org/33822Reviewed-by: Andras Timar <andras.timar@collabora.com>
Reviewed-by: Tor Lillqvist <tml@collabora.com>
Tested-by: Tor Lillqvist <tml@collabora.com>
Reviewed-by: David Ostrovsky <david@ostrovsky.org>
Reviewed-by: David Tardon <dtardon@redhat.com>