/usr/include/mediascanner-1.0/mediascanner/ is in libmediascanner-dev 0.3.93+14.04.20131024.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/mediascanner-1.0/mediascanner/commitpolicy.h
/usr/include/mediascanner-1.0/mediascanner/dbusservice.h
/usr/include/mediascanner-1.0/mediascanner/dbustypes.h
/usr/include/mediascanner-1.0/mediascanner/dbusutils.h
/usr/include/mediascanner-1.0/mediascanner/declarations.h
/usr/include/mediascanner-1.0/mediascanner/filesystemscanner.h
/usr/include/mediascanner-1.0/mediascanner/filesystemwalker.h
/usr/include/mediascanner-1.0/mediascanner/filter.h
/usr/include/mediascanner-1.0/mediascanner/locale.h
/usr/include/mediascanner-1.0/mediascanner/mediaindex.h
/usr/include/mediascanner-1.0/mediascanner/mediaroot.h
/usr/include/mediascanner-1.0/mediascanner/mediautils.h
/usr/include/mediascanner-1.0/mediascanner/property.h
/usr/include/mediascanner-1.0/mediascanner/propertyschema.h
/usr/include/mediascanner-1.0/mediascanner/refreshpolicy.h
/usr/include/mediascanner-1.0/mediascanner/settings.h
/usr/include/mediascanner-1.0/mediascanner/writablemediaindex.h