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

chrome/browser/ui/views/payments/test_chrome_payment_request_delegate.cc

Index: chrome/browser/ui/views/payments/test_chrome_payment_request_delegate.cc
diff --git a/chrome/browser/ui/views/payments/test_chrome_payment_request_delegate.cc b/chrome/browser/ui/views/payments/test_chrome_payment_request_delegate.cc
index 3bd1668953cd3d38edb0deda4cb80698656754b5..914a0df62d76a4864e88e3f9f2869404e47fce00 100644
--- a/chrome/browser/ui/views/payments/test_chrome_payment_request_delegate.cc
+++ b/chrome/browser/ui/views/payments/test_chrome_payment_request_delegate.cc
@@ -18,6 +18,7 @@ TestChromePaymentRequestDelegate::TestChromePaymentRequestDelegate(
     views::WidgetObserver* widget_observer,
     bool is_incognito)
     : ChromePaymentRequestDelegate(web_contents),
+      address_input_provider_(nullptr),
       observer_(observer),
       widget_observer_(widget_observer),
       is_incognito_for_testing_(is_incognito) {}
@@ -38,4 +39,18 @@ bool TestChromePaymentRequestDelegate::IsIncognito() const {
   return is_incognito_for_testing_;
 }
 
+std::unique_ptr<const ::i18n::addressinput::Source>
+TestChromePaymentRequestDelegate::GetAddressInputSource() {
+  if (address_input_provider_)
+    return address_input_provider_->GetAddressInputSource();
+  return ChromePaymentRequestDelegate::GetAddressInputSource();
+}
+
+std::unique_ptr<::i18n::addressinput::Storage>
+TestChromePaymentRequestDelegate::GetAddressInputStorage() {
+  if (address_input_provider_)
+    return address_input_provider_->GetAddressInputStorage();
+  return ChromePaymentRequestDelegate::GetAddressInputStorage();
+}
+
 }  // namespace payments