/usr/share/gtk-doc/ is in libgoa-1.0-doc 3.4.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/
/usr/share/gtk-doc/html/goa/
/usr/share/gtk-doc/html/goa/GoaAccount.html
/usr/share/gtk-doc/html/goa/GoaCalendar.html
/usr/share/gtk-doc/html/goa/GoaChat.html
/usr/share/gtk-doc/html/goa/GoaClient.html
/usr/share/gtk-doc/html/goa/GoaContacts.html
/usr/share/gtk-doc/html/goa/GoaDocuments.html
/usr/share/gtk-doc/html/goa/GoaFacebookProvider.html
/usr/share/gtk-doc/html/goa/GoaGoogleProvider.html
/usr/share/gtk-doc/html/goa/GoaMail.html
/usr/share/gtk-doc/html/goa/GoaManager.html
/usr/share/gtk-doc/html/goa/GoaOAuth2Based.html
/usr/share/gtk-doc/html/goa/GoaOAuth2Provider.html
/usr/share/gtk-doc/html/goa/GoaOAuthBased.html
/usr/share/gtk-doc/html/goa/GoaOAuthProvider.html
/usr/share/gtk-doc/html/goa/GoaObject.html
/usr/share/gtk-doc/html/goa/GoaObjectManagerClient.html
/usr/share/gtk-doc/html/goa/GoaProvider.html
/usr/share/gtk-doc/html/goa/GoaTwitterProvider.html
/usr/share/gtk-doc/html/goa/GoaWindowsLiveProvider.html
/usr/share/gtk-doc/html/goa/GoaYahooProvider.html
/usr/share/gtk-doc/html/goa/ch01s02.html
/usr/share/gtk-doc/html/goa/ch01s03.html
/usr/share/gtk-doc/html/goa/ch03.html
/usr/share/gtk-doc/html/goa/ch04.html
/usr/share/gtk-doc/html/goa/ch05.html
/usr/share/gtk-doc/html/goa/ch07.html
/usr/share/gtk-doc/html/goa/ch08.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.Account.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.Calendar.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.Chat.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.Contacts.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.Documents.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.Mail.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.Manager.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.OAuth2Based.html
/usr/share/gtk-doc/html/goa/gdbus-org.gnome.OnlineAccounts.OAuthBased.html
/usr/share/gtk-doc/html/goa/gio-hierarchy.html
/usr/share/gtk-doc/html/goa/goa-GoaError.html
/usr/share/gtk-doc/html/goa/goa-Logging.html
/usr/share/gtk-doc/html/goa/goa-Utilities.html
/usr/share/gtk-doc/html/goa/goa-daemon.8.html
/usr/share/gtk-doc/html/goa/goa.devhelp2
/usr/share/gtk-doc/html/goa/home.png
/usr/share/gtk-doc/html/goa/index.html
/usr/share/gtk-doc/html/goa/index.sgml
/usr/share/gtk-doc/html/goa/ix01.html
/usr/share/gtk-doc/html/goa/left.png
/usr/share/gtk-doc/html/goa/overview-writing.html
/usr/share/gtk-doc/html/goa/overview.html
/usr/share/gtk-doc/html/goa/ref-backend-library.html
/usr/share/gtk-doc/html/goa/ref-dbus-overview.html
/usr/share/gtk-doc/html/goa/ref-dbus-well-known-object.html
/usr/share/gtk-doc/html/goa/ref-dbus.html
/usr/share/gtk-doc/html/goa/ref-library-generated.html
/usr/share/gtk-doc/html/goa/ref-library.html
/usr/share/gtk-doc/html/goa/right.png
/usr/share/gtk-doc/html/goa/style.css
/usr/share/gtk-doc/html/goa/tools-fileformats.html
/usr/share/gtk-doc/html/goa/up.png