Remove raw base::DictionaryValue::SetWithoutPathExpansion in //chrome

chrome/browser/supervised_user/supervised_user_bookmarks_handler.cc

 // 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.
 
 #include "chrome/browser/supervised_user/supervised_user_bookmarks_handler.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "components/url_formatter/url_fixer.h"
 
 namespace {
 
 // Keys of relevant managed user settings.
 const char kKeyLink[] = "SupervisedBookmarkLink";
 const char kKeyFolder[] = "SupervisedBookmarkFolder";
 
@@ skipping 144 matching lines @@
   // To avoid an infinite loop in the case of a non-existing parent, we take
   // care to stop when no folders could be added in a round.
   std::vector<Folder> folders = folders_;
   std::vector<Folder> folders_failed;
   while (!folders.empty() && folders.size() != folders_failed.size()) {
     folders_failed.clear();
     for (const auto& folder : folders) {
       std::unique_ptr<base::DictionaryValue> node(new base::DictionaryValue);
       node->SetIntegerWithoutPathExpansion(kId, folder.id);
       node->SetStringWithoutPathExpansion(kName, folder.name);
-      node->SetWithoutPathExpansion(kChildren, new base::ListValue);
+      node->SetWithoutPathExpansion(kChildren,
+                                    base::MakeUnique<base::ListValue>());
       if (!AddNodeToTree(folder.parent_id, std::move(node)))
         folders_failed.push_back(folder);
     }
     folders.swap(folders_failed);
   }
   if (!folders_failed.empty()) {
     LOG(WARNING) << "SupervisedUserBookmarksHandler::AddFoldersToTree"
                  << " failed adding the following folders (id,name,parent):";
     for (const Folder& folder : folders_failed) {
       LOG(WARNING) << folder.id << ", " << folder.name << ", "
@@ skipping 22 matching lines @@
 
 bool SupervisedUserBookmarksHandler::AddNodeToTree(
     int parent_id,
     std::unique_ptr<base::DictionaryValue> node) {
   base::ListValue* parent = FindFolder(root_.get(), parent_id);
   if (!parent)
     return false;
   parent->Append(std::move(node));
   return true;
 }