Remove Chrome's own version of libaddressinput in favor of the upstream.

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,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef I18N_ADDRESSINPUT_UTIL_JSON_H_
-#define I18N_ADDRESSINPUT_UTIL_JSON_H_
-
-#include <libaddressinput/util/scoped_ptr.h>
-
-#include <string>
-
-namespace i18n {
-namespace addressinput {
-
-// Parses a JSON dictionary of strings. Sample usage:
-//    scoped_ptr<Json> json(Json::Build());
-//    std::string value;
-//    if (json->ParseObject("{'key1':'value1', 'key2':'value2'}") &&
-//        json->GetStringValueForKey("key1", &value)) {
-//      Process(value);
-//    }
-class Json {
- public:
-  virtual ~Json();
-
-  // Returns a new instance of |Json| object.
-  static scoped_ptr<Json> Build();
-
-  // 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 and has a string value.
-  // Returns 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 and has a dictionary
-  // value. Returns 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. |value| is only guaranteed to be valid as long
-  // as |this| is valid.
-  virtual bool GetJsonValueForKey(const std::string& key,
-                                  scoped_ptr<Json>* value) const = 0;
-
- protected:
-  Json();
-};
-
-}  // namespace addressinput
-}  // namespace i18n
-
-#endif  // I18N_ADDRESSINPUT_UTIL_JSON_H_