/usr/share/gtk-doc/html/ is in libwnck-3-dev 3.4.7-0ubuntu3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/libwnck-3.0/
/usr/share/gtk-doc/html/libwnck-3.0/WnckApplication.html
/usr/share/gtk-doc/html/libwnck-3.0/WnckClassGroup.html
/usr/share/gtk-doc/html/libwnck-3.0/WnckPager.html
/usr/share/gtk-doc/html/libwnck-3.0/WnckScreen.html
/usr/share/gtk-doc/html/libwnck-3.0/WnckSelector.html
/usr/share/gtk-doc/html/libwnck-3.0/WnckTasklist.html
/usr/share/gtk-doc/html/libwnck-3.0/WnckWindow.html
/usr/share/gtk-doc/html/libwnck-3.0/WnckWorkspace.html
/usr/share/gtk-doc/html/libwnck-3.0/annotation-glossary.html
/usr/share/gtk-doc/html/libwnck-3.0/core.html
/usr/share/gtk-doc/html/libwnck-3.0/getting-started.html
/usr/share/gtk-doc/html/libwnck-3.0/home.png
/usr/share/gtk-doc/html/libwnck-3.0/index.html
/usr/share/gtk-doc/html/libwnck-3.0/index.sgml
/usr/share/gtk-doc/html/libwnck-3.0/indexes.html
/usr/share/gtk-doc/html/libwnck-3.0/ix01.html
/usr/share/gtk-doc/html/libwnck-3.0/ix02.html
/usr/share/gtk-doc/html/libwnck-3.0/ix03.html
/usr/share/gtk-doc/html/libwnck-3.0/ix04.html
/usr/share/gtk-doc/html/libwnck-3.0/ix05.html
/usr/share/gtk-doc/html/libwnck-3.0/ix06.html
/usr/share/gtk-doc/html/libwnck-3.0/ix07.html
/usr/share/gtk-doc/html/libwnck-3.0/ix08.html
/usr/share/gtk-doc/html/libwnck-3.0/ix09.html
/usr/share/gtk-doc/html/libwnck-3.0/ix10.html
/usr/share/gtk-doc/html/libwnck-3.0/ix11.html
/usr/share/gtk-doc/html/libwnck-3.0/ix12.html
/usr/share/gtk-doc/html/libwnck-3.0/ix13.html
/usr/share/gtk-doc/html/libwnck-3.0/ix14.html
/usr/share/gtk-doc/html/libwnck-3.0/left.png
/usr/share/gtk-doc/html/libwnck-3.0/libwnck-3.0.devhelp2
/usr/share/gtk-doc/html/libwnck-3.0/libwnck-Icons-Functions.html
/usr/share/gtk-doc/html/libwnck-3.0/libwnck-Miscellaneous-Functions.html
/usr/share/gtk-doc/html/libwnck-3.0/libwnck-Resource-Usage-of-X-Clients.html
/usr/share/gtk-doc/html/libwnck-3.0/libwnck-Version-Information.html
/usr/share/gtk-doc/html/libwnck-3.0/libwnck-Window-Action-Menu.html
/usr/share/gtk-doc/html/libwnck-3.0/overview.html
/usr/share/gtk-doc/html/libwnck-3.0/right.png
/usr/share/gtk-doc/html/libwnck-3.0/style.css
/usr/share/gtk-doc/html/libwnck-3.0/up.png
/usr/share/gtk-doc/html/libwnck-3.0/utils.html
/usr/share/gtk-doc/html/libwnck-3.0/widgets.html