Use dropdown list for admin areas in pr form.

components/payments/core/address_normalizer.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/payments/core/address_normalizer.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 135 matching lines @@
     }
 
     it->second.push_back(std::move(request));
 
     // Start loading the rules for that region. If the rules were already in the
     // process of being loaded, this call will do nothing.
     LoadRulesForRegion(region_code);
   }
 }
 
-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()) {
     for (size_t i = 0; i < it->second.size(); ++i) {
       it->second[i]->OnRulesLoaded(success);
     }
     pending_normalization_.erase(it);
   }
 }
 
-}  // namespace payments
+}  // namespace payments