Convert //chrome/browser/supervised_user from scoped_ptr to std::unique_ptr

chrome/browser/supervised_user/supervised_user_bookmarks_handler.h

 // Copyright 2015 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 CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_BOOKMARKS_HANDLER_H_
 #define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_BOOKMARKS_HANDLER_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace base {
 class DictionaryValue;
 class ListValue;
 }
 
 // This class converts bookmarks from supervised user settings into a tree of
 // base::Values, for use in bookmarks::prefs::kSupervisedBookmarks.
 class SupervisedUserBookmarksHandler {
  public:
-  static scoped_ptr<base::ListValue> BuildBookmarksTree(
+  static std::unique_ptr<base::ListValue> BuildBookmarksTree(
       const base::DictionaryValue& settings);
 
   // Public for testing only.
   struct Folder {
     Folder(int id, const std::string& name, int parent_id);
 
     int id;
     std::string name;
     int parent_id;
   };
 
   struct Link {
     Link(const std::string& url, const std::string& name, int parent_id);
 
     std::string url;
     std::string name;
     int parent_id;
   };
 
  private:
   friend class SupervisedUserBookmarksHandlerTest;
 
   SupervisedUserBookmarksHandler();
   ~SupervisedUserBookmarksHandler();
 
   void ParseSettings(const base::DictionaryValue& settings);
   void ParseFolders(const base::DictionaryValue& folders);
   void ParseLinks(const base::DictionaryValue& links);
-  scoped_ptr<base::ListValue> BuildTree();
+  std::unique_ptr<base::ListValue> BuildTree();
   void AddFoldersToTree();
   void AddLinksToTree();
-  bool AddNodeToTree(int parent_id, scoped_ptr<base::DictionaryValue> node);
+  bool AddNodeToTree(int parent_id,
+                     std::unique_ptr<base::DictionaryValue> node);
 
   const std::vector<Folder>& folders_for_testing() const { return folders_; }
   const std::vector<Link>& links_for_testing() const { return links_; }
 
   std::vector<Folder> folders_;
   std::vector<Link> links_;
 
-  scoped_ptr<base::ListValue> root_;
+  std::unique_ptr<base::ListValue> root_;
 
   DISALLOW_COPY_AND_ASSIGN(SupervisedUserBookmarksHandler);
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_BOOKMARKS_HANDLER_H_