[Payments] Added region load failure tolerance and tests to PR editor.

components/payments/content/payment_request_state.h

Index: components/payments/content/payment_request_state.h
diff --git a/components/payments/content/payment_request_state.h b/components/payments/content/payment_request_state.h
index 4f5f96a57cd775638375aff64f6e8b4212d98b3c..ce00ee7228f30cf2fe1d5d3526e64bf8b8157819 100644
--- a/components/payments/content/payment_request_state.h
+++ b/components/payments/content/payment_request_state.h
@@ -5,6 +5,7 @@
 #ifndef COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_STATE_H_
 #define COMPONENTS_PAYMENTS_CONTENT_PAYMENT_REQUEST_STATE_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
@@ -13,6 +14,13 @@
 #include "components/payments/content/payment_request.mojom.h"
 #include "components/payments/content/payment_response_helper.h"
 
+namespace i18n {
+namespace addressinput {
+class Storage;
+class Source;
+}  // namespace addressinput
+}  // namespace i18n
+
 namespace autofill {
 class AutofillProfile;
 class PersonalDataManager;
@@ -120,6 +128,8 @@ class PaymentRequestState : public PaymentResponseHelper::Delegate {
 
   const std::string& GetApplicationLocale();
   autofill::PersonalDataManager* GetPersonalDataManager();
+  std::unique_ptr<const ::i18n::addressinput::Source> GetAddressInputSource();
+  std::unique_ptr<::i18n::addressinput::Storage> GetAddressInputStorage();
 
   Delegate* delegate() { return delegate_; }