Interestingly enough, it does show up in the "Open with" dialog for .html files in a file manager, but refuse to appear in the standard system Share menu, where all other browsers are present.
@leocg I know it is a chromium issue. I have already registered a bug report on the chromium bug report channel. However I feel Google might have done this intentionally to make people use the youtube app instead. If that so, horrible decision I must say. Evil.