Use dropdown list for admin areas in pr form.

components/payments/core/address_normalizer.cc

Index: components/payments/core/address_normalizer.cc
diff --git a/components/payments/core/address_normalizer.cc b/components/payments/core/address_normalizer.cc
index 3114c5a89229cfc2a60ca2e02ebaf7f9b13819c1..5fdd2558d2535a50153326de8ffc3facf3f75a82 100644
--- a/components/payments/core/address_normalizer.cc
+++ b/components/payments/core/address_normalizer.cc
@@ -153,9 +153,8 @@ void AddressNormalizer::StartAddressNormalization(
   }
 }
 
-void AddressNormalizer::OnAddressValidationRulesLoaded(
-    const std::string& region_code,
-    bool success) {
+void AddressNormalizer::OnAddressRulesLoaded(const std::string& region_code,
+                                             bool success) {
   // Check if an address normalization is pending.
   auto it = pending_normalization_.find(region_code);
   if (it != pending_normalization_.end()) {
@@ -166,4 +165,4 @@ void AddressNormalizer::OnAddressValidationRulesLoaded(
   }
 }
 
-}  // namespace payments
+}  // namespace payments