/usr/share/gocode/src/code.google.com/p/go-shlex is in golang-github-google-shlex-dev 0.0~git20150127.0.6f45313-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/gocode/src/code.google.com/p/../../github.com/google/shlex