Create a new credential from the provided PIN and persistence mode.
Note that webkit.types.CredentialPersistence.Permanent is not supported for certificate pin credentials.
The PIN for the new credential
The #WebKitCredentialPersistence of the new credential
A #WebKitCredential.
Create a new credential from the provided PIN and persistence mode.
Note that webkit.types.CredentialPersistence.Permanent is not supported for certificate pin credentials.