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

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 4471b6040617c4b5750f7cc7394cac632df16db8..04c99386c5d2a8d37fc1c21e4839331310d5ecc5 100644
--- a/components/payments/content/payment_request_state.cc
+++ b/components/payments/content/payment_request_state.cc
@@ -4,7 +4,9 @@
 
 #include "components/payments/content/payment_request_state.h"
 
+#include <algorithm>
 #include <set>
+#include <utility>
 
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill_data_util.h"
@@ -110,6 +112,16 @@ autofill::PersonalDataManager* PaymentRequestState::GetPersonalDataManager() {
   return personal_data_manager_;
 }
 
+std::unique_ptr<const ::i18n::addressinput::Source>
+PaymentRequestState::GetAddressInputSource() {
+  return payment_request_delegate_->GetAddressInputSource();
+}
+
+std::unique_ptr<::i18n::addressinput::Storage>
+PaymentRequestState::GetAddressInputStorage() {
+  return payment_request_delegate_->GetAddressInputStorage();
+}
+
 void PaymentRequestState::PopulateProfileCache() {
   std::vector<autofill::AutofillProfile*> profiles =
       personal_data_manager_->GetProfilesToSuggest();