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diff --git a/chromium/third_party/libaddressinput/src/cpp/src/util/json.h b/chromium/third_party/libaddressinput/src/cpp/src/util/json.h
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+// 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/basictypes.h>
+#include <libaddressinput/util/scoped_ptr.h>
+
+#include <string>
+#include <vector>
+
+namespace i18n {
+namespace addressinput {
+
+// Parses a JSON dictionary of strings. Sample usage:
+//    Json json;
+//    if (json.ParseObject("{'key1':'value1', 'key2':'value2'}") &&
+//        json.HasStringKey("key1")) {
+//      Process(json.GetStringValueForKey("key1"));
+//    }
+class Json {
+ public:
+  Json();
+  ~Json();
+
+  // Parses the |json| string and returns true if |json| is valid and it is an
+  // object.
+  bool ParseObject(const std::string& json);
+
+  // Returns the list of sub dictionaries. The JSON object must be parsed
+  // successfully in ParseObject() before invoking this method. The caller does
+  // not own the result.
+  const std::vector<const Json*>& GetSubDictionaries() const;
+
+  // Returns true if the parsed JSON contains a string value for |key|. Sets
+  // |value| to the string value of the |key|. The JSON object must be parsed
+  // successfully in ParseObject() before invoking this method. The |value|
+  // parameter should not be NULL.
+  bool GetStringValueForKey(const std::string& key, std::string* value) const;
+
+ private:
+  class JsonImpl;
+  friend class JsonImpl;
+
+  // Constructor to be called by JsonImpl.
+  explicit Json(JsonImpl* impl);
+
+  scoped_ptr<JsonImpl> impl_;
+
+  DISALLOW_COPY_AND_ASSIGN(Json);
+};
+
+}  // namespace addressinput
+}  // namespace i18n
+
+#endif  // I18N_ADDRESSINPUT_UTIL_JSON_H_