Use dropdown list for admin areas in pr form.

components/payments/core/address_normalizer.h

Index: components/payments/core/address_normalizer.h
diff --git a/components/payments/core/address_normalizer.h b/components/payments/core/address_normalizer.h
index f3d2a240fb59de2a2e5db65cd330bf6b2de7cf34..2d5b1d57912c3d130174e9a2e55fa41fdb2f927f 100644
--- a/components/payments/core/address_normalizer.h
+++ b/components/payments/core/address_normalizer.h
@@ -76,8 +76,8 @@ class AddressNormalizer : public autofill::LoadRulesListener {
  private:
   // Called when the validation rules for the |region_code| have finished
   // loading. Implementation of the LoadRulesListener interface.
-  void OnAddressValidationRulesLoaded(const std::string& region_code,
-                                      bool success) override;
+  void OnAddressRulesLoaded(const std::string& region_code,
+                            bool success) override;
 
   // Map associating a region code to pending normalizations.
   std::map<std::string, std::vector<std::unique_ptr<Request>>>