[DO NOT SUBMIT] Support allowpaymentrequest with out-of-process iframes

chrome/browser/payments/payment_request_impl.cc

Index: chrome/browser/payments/payment_request_impl.cc
diff --git a/chrome/browser/payments/payment_request_impl.cc b/chrome/browser/payments/payment_request_impl.cc
index 18ce94c9943265223a28fe8fa233fa974c7a5863..743ab19e26bf7dad196d9ced28889fdbc322523d 100644
--- a/chrome/browser/payments/payment_request_impl.cc
+++ b/chrome/browser/payments/payment_request_impl.cc
@@ -62,6 +62,9 @@ void PaymentRequestImpl::Init(
     payments::mojom::PaymentOptionsPtr options) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   client_ = std::move(client);
+}
+
+void PaymentRequestImpl::Show() {
   chrome::ShowPaymentRequestDialog(this);
 }