At the bottom of the page, they mention to get in touch, either via the mailing list (https://groups.google.com/a/chromium.org/forum/#!forum/proto-roughtime htt

At the bottom of the page, they mention to get in touch, either via the mailing list (https://groups.google.com/a/chromium.org/forum/#!forum/proto-roughtime https://groups.google.com/a/chromium.org/forum/#!forum/proto...), or directly.