Use std::unique_ptr for base::DictionaryValue and base::ListValue's internal store.

components/policy/core/common/mac_util_unittest.cc

 // Copyright 2014 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 "components/policy/core/common/mac_util.h"
 
 #include <CoreFoundation/CoreFoundation.h>
 
 #include <memory>
 
@@ skipping 34 matching lines @@
   EXPECT_EQ(root.size(), list.GetSize());
   list.Append(root.DeepCopy());
   root.Set("list", list.DeepCopy());
 
   // base::Value::TYPE_DICTIONARY
   base::DictionaryValue dict;
   root.Set("emptyd", dict.DeepCopy());
   // Very meta.
   root.Set("dict", root.DeepCopy());
 
-  base::ScopedCFTypeRef<CFPropertyListRef> property(ValueToProperty(&root));
+  base::ScopedCFTypeRef<CFPropertyListRef> property(ValueToProperty(root));
   ASSERT_TRUE(property);
   std::unique_ptr<base::Value> value = PropertyToValue(property);
   ASSERT_TRUE(value);
   EXPECT_TRUE(root.Equals(value.get()));
 }
 
 }  // namespace policy