requestAutocomplete should not unlatinize administrative region names.

third_party/libaddressinput/chromium/cpp/src/rule.h

 // Copyright (C) 2013 Google Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 // http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 147 matching lines @@
   // The error message string identifier for an invalid postal code. If not set,
   // then INVALID_MESSAGE_ID.
   int GetInvalidPostalCodeMessageId() const {
     return invalid_postal_code_message_id_;
   }
 
   // Returns the error message string identifier for an invalid |field|.
   int GetInvalidFieldMessageId(AddressField field) const;
 
   // Outputs the sub key for a given user input. For example, Texas will map to
-  // TX.
+  // TX. If |canonicalize_latin_name| is true, then canonicalizes latin names,
+  // too. This can lead to changing a latinized name into a local script name.
   bool CanonicalizeSubKey(const std::string& user_input,
+                          bool canonicalize_latin_name,
                           std::string* sub_key) const;
 
  private:
   // Finds |target| in |values| and sets |sub_key| to the associated value from
-  // |sub_keys_|, or returns false if |target| is not in |values|.
+  // |sub_keys_|, or returns false if |target| is not in |values|. |sub_key| can
+  // be NULL.
   bool GetMatchingSubKey(const std::string& target,
                          const std::vector<std::string>& values,
                          std::string* sub_key) const;
 
   std::string key_;
   std::string name_;
   std::string latin_name_;
   std::vector<std::vector<FormatElement> > format_;
   std::vector<std::vector<FormatElement> > latin_format_;
   std::vector<AddressField> required_;
@@ skipping 10 matching lines @@
   int postal_code_name_message_id_;
   int invalid_postal_code_message_id_;
 
   DISALLOW_COPY_AND_ASSIGN(Rule);
 };
 
 }  // namespace addressinput
 }  // namespace i18n
 
 #endif  // I18N_ADDRESSINPUT_RULE_H_