This change exposes passwords to JavaScript in the Credential Management API by providing the corresponding attribute on PasswordCredential. Furthermore it deprecates the previously existing PasswordCredential attributes and the custom `fetch()` `credential` infrastructure.
Docs: https://developers.google.com/web/updates/2017/06/credential-management-updates https://developer.mozilla.org/en-US/docs/Web/API/PasswordCredential https://developer.mozilla.org/en-US/docs/Web/API/PasswordCredential/password