[rac] Download country code data in a single HTTP request.

third_party/libaddressinput/chromium/cpp/src/util/json.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 28 matching lines @@
   // Parses the |json| string and returns true if |json| is valid and it is an
   // object.
   virtual bool ParseObject(const std::string& json) = 0;
 
   // Sets |value| to the string for |key| if it exists, or false if the key
   // doesn't exist or doesn't correspond to a string. The JSON object must be
   // parsed successfully in ParseObject() before invoking this method.
   virtual bool GetStringValueForKey(const std::string& key,
                                     std::string* value) const = 0;
 
+  // Sets |value| to the dictionary for |key| if it exists, or false if the key
+  // doesn't exist or doesn't correspond to a dictionary. The JSON object must
+  // be parsed successfully in ParseObject() before invoking this method.
+  //
+  // The old |value| is discarded, but not deleted. The caller owns the
+  // resulting |value|.
+  virtual bool GetJsonValueForKey(const std::string& key,

[Evan Stade, 2014/01/18 19:14:32]

return a scoped_ptr<Json>

or if you want to stick to the outparam pattern, pass in a scoped_ptr<Json>*

[please use gerrit instead, 2014/01/21 18:43:54]

Great idea! Done.

+                                  Json** value) const = 0;
+
  protected:
   Json();
 };
 
 }  // namespace addressinput
 }  // namespace i18n
 
 #endif  // I18N_ADDRESSINPUT_UTIL_JSON_H_