Delete make_names.pl

This CL moves the last client of make_names.pl over from Perl to Python and
deletes make_names.pl. Long live our new Python overlords.

R=eseidel@chromium.org

Review URL: https://codereview.chromium.org/28753003

git-svn-id: svn://svn.chromium.org/blink/trunk@160385 bbb929c8-8fbe-4397-9dbb-9b2b20218538