[rac] Download all rules for a country code in libaddressinput.

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 18 matching lines @@
 // Stores the validation rules. Sample usage:
 //    Rule rule;
 //    if (rule.ParseSerializedRule("{\"fmt\": \"%A%n%C%S %Z\"}")) {
 //      Process(rule.GetFormat());
 //    }
 class Rule {
  public:
   Rule();
   ~Rule();
 
+  // Returns the default rule at a country level. If a country does not specify
+  // address format, for example, then the format from this rule should be used
+  // instead.
+  static const Rule& GetDefault();
+
   // Copies all data from |rule|.
   void CopyFrom(const Rule& rule);
 
   // Parses |serialized_rule|. Returns |true| if the |serialized_rule| has valid
   // format (JSON dictionary).
   bool ParseSerializedRule(const std::string& serialized_rule);
 
   // Returns the address format for this rule. The format can include the
   // NEWLINE extension for AddressField enum.
   const std::vector<AddressField>& GetFormat() const { return format_; }
@@ skipping 29 matching lines @@
   int admin_area_name_message_id_;
   int postal_code_name_message_id_;
 
   DISALLOW_COPY_AND_ASSIGN(Rule);
 };
 
 }  // namespace addressinput
 }  // namespace i18n
 
 #endif  // I18N_ADDRESSINPUT_RULE_H_