GitLab

Perl cruft: Python compiler assumes a header file exists.
This removes a special case and simplifies CG logic by having stub header
files if needed.

R=haraken
BUG=341748

Review URL: https://codereview.chromium.org/208393014

git-svn-id: svn://svn.chromium.org/blink/trunk@169906 bbb929c8-8fbe-4397-9dbb-9b2b20218538