chromium/components/facilitated_payments/README.md

This component contains support for forms of payment ("FOP") that are not based
on HTML `<form>`s or JavaScript API, and therefore not covered by
//components/autofill or //components/payments. These are collectively called Facilitated Payments.

This component supports the PIX form of payment:
https://www.bcb.gov.br/en/financialstability/pix_en