Convert //chrome/installer from scoped_ptr to std::unique_ptr

chrome/installer/util/master_preferences.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.
 //
 // This file contains functions processing master preference file used by
 // setup and first run.
 
 #ifndef CHROME_INSTALLER_UTIL_MASTER_PREFERENCES_H_
 #define CHROME_INSTALLER_UTIL_MASTER_PREFERENCES_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 
 namespace base {
 class DictionaryValue;
 class FilePath;
 }
 
 namespace installer {
 
 #if !defined(OS_MACOSX)
@@ skipping 174 matching lines @@
 
   // Enforces legacy preferences that should no longer be used, but could be
   // found in older master_preferences files.
   void EnforceLegacyPreferences();
 
   // Removes the specified string pref from the master preferences and returns
   // its value. Should be used for master prefs that shouldn't be automatically
   // copied over to profile preferences.
   std::string ExtractPrefString(const std::string& name) const;
 
-  scoped_ptr<base::DictionaryValue> master_dictionary_;
+  std::unique_ptr<base::DictionaryValue> master_dictionary_;
   base::DictionaryValue* distribution_;
   bool preferences_read_from_file_;
   bool chrome_;
   bool multi_install_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MasterPreferences);
 };
 
 }  // namespace installer
 
 #endif  // CHROME_INSTALLER_UTIL_MASTER_PREFERENCES_H_