/usr/share/gtk-doc/html/libbrasero-burn/ is in libbrasero-media3-dev 3.12.1-4ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/libbrasero-burn/annotation-glossary.html
/usr/share/gtk-doc/html/libbrasero-burn/api-index-full.html
/usr/share/gtk-doc/html/libbrasero-burn/ch01.html
/usr/share/gtk-doc/html/libbrasero-burn/home.png
/usr/share/gtk-doc/html/libbrasero-burn/index.html
/usr/share/gtk-doc/html/libbrasero-burn/left-insensitive.png
/usr/share/gtk-doc/html/libbrasero-burn/left.png
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroBlankDialog.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroBurn.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroBurnDialog.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroBurnOptions.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroBurnSession.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroSessionCfg.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroSessionSpan.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroSumDialog.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroToolDialog.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroTrack.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroTrackDisc.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroTrackImage.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroTrackImageCfg.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroTrackStream.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-BraseroTrackStreamCfg.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-brasero-burn-lib.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-brasero-enums.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-brasero-error.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-brasero-status.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-brasero-tags.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-brasero-track-data-cfg.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-brasero-track-data.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn-brasero-track-type.html
/usr/share/gtk-doc/html/libbrasero-burn/libbrasero-burn.devhelp2
/usr/share/gtk-doc/html/libbrasero-burn/object-tree.html
/usr/share/gtk-doc/html/libbrasero-burn/right-insensitive.png
/usr/share/gtk-doc/html/libbrasero-burn/right.png
/usr/share/gtk-doc/html/libbrasero-burn/style.css
/usr/share/gtk-doc/html/libbrasero-burn/up-insensitive.png
/usr/share/gtk-doc/html/libbrasero-burn/up.png