[Payments] Desktop: implement shipping address/option change

components/payments/content/payment_request.cc

Index: components/payments/content/payment_request.cc
diff --git a/components/payments/content/payment_request.cc b/components/payments/content/payment_request.cc
index aa9b1fb0dce703b91abeb398db3201e9e0ac8296..0569efcc79278e2be094adddec8fcf9076507e9b 100644
--- a/components/payments/content/payment_request.cc
+++ b/components/payments/content/payment_request.cc
@@ -71,6 +71,16 @@ void PaymentRequest::Show() {
   delegate_->ShowDialog(this);
 }
 
+void PaymentRequest::UpdateWith(mojom::PaymentDetailsPtr details) {
+  std::string error;
+  if (!payments::validatePaymentDetails(details, &error)) {
+    LOG(ERROR) << error;
+    OnConnectionTerminated();
+    return;
+  }
+  spec_->UpdateWith(std::move(details));
+}
+
 void PaymentRequest::Abort() {
   // The API user has decided to abort. We return a successful abort message to
   // the renderer, which closes the Mojo message pipe, which triggers
@@ -112,6 +122,16 @@ void PaymentRequest::OnPaymentResponseAvailable(
   client_->OnPaymentResponse(std::move(response));
 }
 
+void PaymentRequest::OnShippingOptionIdSelected(
+    std::string shipping_option_id) {
+  client_->OnShippingOptionChange(shipping_option_id);
+}
+
+void PaymentRequest::OnShippingAddressSelected(
+    mojom::PaymentAddressPtr address) {
+  client_->OnShippingAddressChange(std::move(address));
+}
+
 void PaymentRequest::UserCancelled() {
   // If |client_| is not bound, then the object is already being destroyed as
   // a result of a renderer event.