Remove raw base::DictionaryValue::Set in //content

content/browser/accessibility/accessibility_tree_formatter.cc

 // 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.
 
 #include "content/browser/accessibility/accessibility_tree_formatter.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 40 matching lines @@
 void AccessibilityTreeFormatter::FormatAccessibilityTree(
     BrowserAccessibility* root, base::string16* contents) {
   std::unique_ptr<base::DictionaryValue> dict = BuildAccessibilityTree(root);
   RecursiveFormatAccessibilityTree(*(dict.get()), contents);
 }
 
 void AccessibilityTreeFormatter::RecursiveBuildAccessibilityTree(
     const BrowserAccessibility& node, base::DictionaryValue* dict) {
   AddProperties(node, dict);
 
-  base::ListValue* children = new base::ListValue;
-  dict->Set(kChildrenDictAttr, children);
+  auto children = base::MakeUnique<base::ListValue>();
 
   for (size_t i = 0; i < ChildCount(node); ++i) {
     BrowserAccessibility* child_node = GetChild(node, i);
     std::unique_ptr<base::DictionaryValue> child_dict(
         new base::DictionaryValue);
     RecursiveBuildAccessibilityTree(*child_node, child_dict.get());
     children->Append(std::move(child_dict));
   }
+  dict->Set(kChildrenDictAttr, std::move(children));
 }
 
 void AccessibilityTreeFormatter::RecursiveFormatAccessibilityTree(
     const base::DictionaryValue& dict, base::string16* contents, int depth) {
   base::string16 indent = base::string16(depth * kIndentSymbolCount,
                                          kIndentSymbol);
   base::string16 line = indent + ToString(dict);
   if (line.find(base::ASCIIToUTF16(kSkipString)) != base::string16::npos)
     return;
 
@@ skipping 78 matching lines @@
   if (attr.empty())
     return;
   if (!MatchesFilters(attr, include_by_default))
     return;
   if (!line->empty())
     *line += base::ASCIIToUTF16(" ");
   *line += attr;
 }
 
 }  // namespace content