FTP URLs in Chrome to be marked Non Secure

From Chrome 63 (December 2017) Chrome will mark FTP URLs in browser as Not Secure.
The usage of FTP within browser is minimal. 0.0026% according to Chrome stats.

Source: https://groups.google.com/a/chromium.org/forum/#!msg/security-dev/HknIAQwMoWo/xYyezYV5AAAJ