[rac] Format an address for display.

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

Index: third_party/libaddressinput/chromium/cpp/src/rule.h
diff --git a/third_party/libaddressinput/chromium/cpp/src/rule.h b/third_party/libaddressinput/chromium/cpp/src/rule.h
index 9e6fa098405f8971d5c3dcec6842ae86cd7f8b97..825f5a0c81a0702afcb952c146feb4a6529f9b2f 100644
--- a/third_party/libaddressinput/chromium/cpp/src/rule.h
+++ b/third_party/libaddressinput/chromium/cpp/src/rule.h
@@ -26,6 +26,23 @@
 namespace i18n {
 namespace addressinput {
 
+struct FormatElement {
+  enum Type {
+    FIELD,
+    LITERAL
+  };
+
+  explicit FormatElement(AddressField field);
+  explicit FormatElement(const std::string& literal);
+  ~FormatElement();
+
+  bool operator==(const FormatElement& other) const;
+
+  Type type;
+  AddressField field;
+  std::string literal;
+};
+
 // Stores the validation rules. Sample usage:
 //    Rule rule;
 //    if (rule.ParseSerializedRule("{\"fmt\": \"%A%n%C%S %Z\"}")) {
@@ -49,7 +66,7 @@ class Rule {
   bool ParseSerializedRule(const std::string& serialized_rule);
 
   // Returns the address format for this rule.
-  const std::vector<std::vector<AddressField> >& GetFormat() const {
+  const std::vector<std::vector<FormatElement> >& GetFormat() const {
     return format_;
   }
 
@@ -98,7 +115,7 @@ class Rule {
   int GetInvalidFieldMessageId(AddressField field) const;
 
  private:
-  std::vector<std::vector<AddressField> > format_;
+  std::vector<std::vector<FormatElement> > format_;
   std::vector<AddressField> required_;
   std::vector<std::string> sub_keys_;
   std::vector<std::string> languages_;