[Skywise]

Maybe - chromium is the core rendering package but Edge and Brave have made substantial modifications to some of the middle and top layers.

It all depends on what was affected and how low in the code it was.

[Bikkuri]

Chromium, unles you added it, does NOT have Google's API keys installed.
This is a screencap of Chromium on my PC:









It constantly reminds me that the API keys aren't installed.