GitLab

Also,
* Rename it to audit_non_blink_usage.py
* Add //third_party/blink/tools to remove_stale_pyc_file.py target.

Bug: 829697
Change-Id: I6848a5e64b599ce75fa0cea878fe7b17f432417c
Reviewed-on: https://chromium-review.googlesource.com/1005644
Commit-Queue: Kent Tamura <tkent@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Jeremy Roman <jbroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550104}