/usr/include/src/gui/image/ is in libqt4-private-dev 4:4.8.1-0ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/src/gui/image/qbmphandler_p.h
/usr/include/src/gui/image/qgifhandler_p.h
/usr/include/src/gui/image/qicon_p.h
/usr/include/src/gui/image/qiconloader_p.h
/usr/include/src/gui/image/qimage_p.h
/usr/include/src/gui/image/qimagepixmapcleanuphooks_p.h
/usr/include/src/gui/image/qjpeghandler_p.h
/usr/include/src/gui/image/qmnghandler_p.h
/usr/include/src/gui/image/qnativeimage_p.h
/usr/include/src/gui/image/qnativeimagehandleprovider_p.h
/usr/include/src/gui/image/qpaintengine_pic_p.h
/usr/include/src/gui/image/qpicture_p.h
/usr/include/src/gui/image/qpixmap_blitter_p.h
/usr/include/src/gui/image/qpixmap_mac_p.h
/usr/include/src/gui/image/qpixmap_raster_p.h
/usr/include/src/gui/image/qpixmap_raster_symbian_p.h
/usr/include/src/gui/image/qpixmap_x11_p.h
/usr/include/src/gui/image/qpixmapcache_p.h
/usr/include/src/gui/image/qpixmapdata_p.h
/usr/include/src/gui/image/qpixmapdatafactory_p.h
/usr/include/src/gui/image/qpixmapfilter_p.h
/usr/include/src/gui/image/qpnghandler_p.h
/usr/include/src/gui/image/qppmhandler_p.h
/usr/include/src/gui/image/qtiffhandler_p.h
/usr/include/src/gui/image/qvolatileimage_p.h
/usr/include/src/gui/image/qvolatileimagedata_p.h
/usr/include/src/gui/image/qxbmhandler_p.h
/usr/include/src/gui/image/qxpmhandler_p.h