[Payment Request] Region data loader

ios/chrome/browser/ui/payments/BUILD.gn

Index: ios/chrome/browser/ui/payments/BUILD.gn
diff --git a/ios/chrome/browser/ui/payments/BUILD.gn b/ios/chrome/browser/ui/payments/BUILD.gn
index a986f96f1342e8fd8be30695d383cd68fdd998f3..d06f1e809da94d402a6c92c6d23971a7d53236d7 100644
--- a/ios/chrome/browser/ui/payments/BUILD.gn
+++ b/ios/chrome/browser/ui/payments/BUILD.gn
@@ -42,6 +42,8 @@ source_set("payments") {
     "payment_request_view_controller.h",
     "payment_request_view_controller.mm",
     "payment_request_view_controller_actions.h",
+    "region_data_loader.h",
+    "region_data_loader.mm",
     "shipping_address_selection_coordinator.h",
     "shipping_address_selection_coordinator.mm",
     "shipping_address_selection_mediator.h",
@@ -149,6 +151,7 @@ source_set("unit_tests") {
     "payment_request_error_view_controller_unittest.mm",
     "payment_request_selector_view_controller_unittest.mm",
     "payment_request_view_controller_unittest.mm",
+    "region_data_loader_unittest.mm",
     "shipping_address_selection_coordinator_unittest.mm",
     "shipping_option_selection_coordinator_unittest.mm",
   ]