Well, it mostly already is.
The Chromium project is essentially everything Chrome already has, except Chrome contains a few proprietary components (IIRC the tracking is proprietary)
Most of Chrome’s source code comes from Google’s free and open-source software project Chromium, but Chrome is licensed as proprietary freeware.[15] WebKit was the original rendering engine, but Google eventually forked it to create the Blink engine;[18] all Chrome variants except iOS used Blink as of 2017.[
They should make it open source
Well, it mostly already is. The Chromium project is essentially everything Chrome already has, except Chrome contains a few proprietary components (IIRC the tracking is proprietary)
I wished I got a nickel every time someone argues Chrome should be open source, only to find out it always has been
Per Wikipedia