it could for example use the system keychain on MacOS and not expose an interface. Chrome could then read the passwords from the keychain, but any user-access t

it could for example use the system keychain on MacOS and not expose an interface. Chrome could then read the passwords from the keychain, but any user-access to the password would have to go through "keychain access" and require the users logon password to show in plain. Storage would also be encrypted, so it wouldn't be "security through obscurity" but rather a real step towards protected password storage.