Convert //base to use std::unique_ptr

base/json/json_string_value_serializer.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_JSON_JSON_STRING_VALUE_SERIALIZER_H_
 #define BASE_JSON_JSON_STRING_VALUE_SERIALIZER_H_
 
 #include <string>
 
 #include "base/base_export.h"
@@ skipping 41 matching lines @@
 
   ~JSONStringValueDeserializer() override;
 
   // Attempt to deserialize the data structure encoded in the string passed
   // in to the constructor into a structure of Value objects.  If the return
   // value is null, and if |error_code| is non-null, |error_code| will
   // contain an integer error code (a JsonParseError in this case).
   // If |error_message| is non-null, it will be filled in with a formatted
   // error message including the location of the error if appropriate.
   // The caller takes ownership of the returned value.
-  scoped_ptr<base::Value> Deserialize(int* error_code,
-                                      std::string* error_message) override;
+  std::unique_ptr<base::Value> Deserialize(int* error_code,
+                                           std::string* error_message) override;
 
   void set_allow_trailing_comma(bool new_value) {
     allow_trailing_comma_ = new_value;
   }
 
  private:
   // Data is owned by the caller of the constructor.
   base::StringPiece json_string_;
   // If true, deserialization will allow trailing commas.
   bool allow_trailing_comma_;
 
   DISALLOW_COPY_AND_ASSIGN(JSONStringValueDeserializer);
 };
 
 #endif  // BASE_JSON_JSON_STRING_VALUE_SERIALIZER_H_