Reliably getting favicons in Chrome extensions, chrome://favicon?

Question

I\'m using the chrome://favicon/ in my Google Chrome extension to get the favicon for RSS feeds. What I do is get the base path of linked page, and append it to

Answer 1

In order to use chrome://favicon/some-site in extension. manifest.json need to be updated:

"permissions": ["chrome://favicon/"],
"content_security_policy": "img-src chrome://favicon;"

Test on Version 63.0.3239.132 (Official Build) (64-bit)