Add billing address as a mandatory field of Payments credit cards.

components/payments/content/payment_request_state.cc

Index: components/payments/content/payment_request_state.cc
diff --git a/components/payments/content/payment_request_state.cc b/components/payments/content/payment_request_state.cc
index 8a6b7304452eb3ac890b056130cb62e0050e32a2..dac01e502e008834766e507a7e9e6347f52ff3b6 100644
--- a/components/payments/content/payment_request_state.cc
+++ b/components/payments/content/payment_request_state.cc
@@ -246,11 +246,9 @@ void PaymentRequestState::SetDefaultProfileSelections() {
                    [](const std::unique_ptr<PaymentInstrument>& instrument) {
                      return instrument->IsCompleteForPayment();
                    });
-
   selected_instrument_ = first_complete_instrument == instruments.end()
                              ? nullptr
                              : first_complete_instrument->get();
-
   UpdateIsReadyToPayAndNotifyObservers();
 }