/usr/share/doc/gir1.2-webkit-3.0/changelog.Debian.gz is in gir1.2-webkit-3.0 2.4.10-0ubuntu0.14.04.1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/gir1.2-webkit-3.0/../gir1.2-javascriptcoregtk-3.0/changelog.Debian.gz