Chromium change:

https://chromium.googlesource.com/chromium/src/+/d6b794c59f423ead8b1f2633c7fd879710aa1382

commit d6b794c59f423ead8b1f2633c7fd879710aa1382
Author: Himanshu Jaju <himanshujaju@chromium.org>
Date:   Tue Jul 16 19:31:46 2019 +0000

    Context menu for click to call
    Add tel scheme to list of schemes in url

    Screenshot for multiple devices: https://storage.cloud.google.com/chromium-translation-screenshots/d3ea7c88529dd93e5f403fa57d5df3bfadf8936a

    Screenshot for single device: https://storage.cloud.google.com/chromium-translation-screenshots/bc5be9872a3e0a2c30bbb9a80ac370cafa339988

    Bug: 972060