Use dropdown list for admin areas in pr form.

third_party/libaddressinput/chromium/chrome_address_validator.cc

Index: third_party/libaddressinput/chromium/chrome_address_validator.cc
diff --git a/third_party/libaddressinput/chromium/chrome_address_validator.cc b/third_party/libaddressinput/chromium/chrome_address_validator.cc
index b0bd189d8f0542de34bc185ab102e1cee1d2b28d..26e6fa537dd63703aebb74902393818c7c412860 100644
--- a/third_party/libaddressinput/chromium/chrome_address_validator.cc
+++ b/third_party/libaddressinput/chromium/chrome_address_validator.cc
@@ -17,6 +17,7 @@
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/address_normalizer.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/source.h"
 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/storage.h"
+#include "third_party/libaddressinput/src/cpp/src/rule.h"
 
 namespace autofill {
 namespace {
@@ -27,6 +28,7 @@ using ::i18n::addressinput::AddressNormalizer;
 using ::i18n::addressinput::BuildCallback;
 using ::i18n::addressinput::FieldProblemMap;
 using ::i18n::addressinput::PreloadSupplier;
+using ::i18n::addressinput::Rule;
 using ::i18n::addressinput::Source;
 using ::i18n::addressinput::Storage;
 
@@ -58,6 +60,20 @@ void AddressValidator::LoadRules(const std::string& region_code) {
   supplier_->LoadRules(region_code, *rules_loaded_);
 }
 
+std::vector<std::string> AddressValidator::GetRegionSubKeys(
+    const std::string& region_code) const {
+  auto rules = supplier_->GetRulesForRegion(region_code);

[sebsg, 2017/02/10 16:00:32]

Can you add DCHECK(AreRulesLoadedForRegion(region_code)); as the first line?
DCHECKs are useful in cases like this where it should always be the case, but
you want to make sure you know if there is ever a case where it's not.

[Parastoo, 2017/02/13 21:57:23]

Done.

+  auto rule_iterator = rules.find("data/" + region_code);
+
+  if (rule_iterator != rules.end()) {
+    if (rule_iterator->second)
+      return (rule_iterator->second)->GetSubKeys();
+    return std::vector<std::string>();
+  } else {
+    return std::vector<std::string>();
+  }
+}
+
 AddressValidator::Status AddressValidator::ValidateAddress(
     const AddressData& address,
     const FieldProblemMap* filter,
@@ -140,8 +156,10 @@ void AddressValidator::Validated(bool success,
 void AddressValidator::RulesLoaded(bool success,
                                    const std::string& region_code,
                                    int) {
-  if (load_rules_listener_)
+  if (load_rules_listener_) {
     load_rules_listener_->OnAddressValidationRulesLoaded(region_code, success);
+    load_rules_listener_->OnGettingSubKeysRulesLoaded(region_code, success);
+  }
 
   // Count the first failed attempt to load rules as well.
   if (success || attempts_number_[region_code] + 1 >= kMaxAttemptsNumber)