Remove base::Value::CreateNullValue

components/policy/core/common/policy_loader_win_unittest.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 "components/policy/core/common/policy_loader_win.h"
 
 #include <windows.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <userenv.h>
@@ skipping 884 matching lines @@
       "    \"double\": { \"type\": \"number\" },"
       "    \"list\": {"
       "      \"type\": \"array\","
       "      \"items\": { \"$ref\": \"MainType\" }"
       "    },"
       "    \"dict\": { \"$ref\": \"MainType\" }"
       "  }"
       "}"));
 
   base::DictionaryValue policy;
-  policy.Set("null", base::Value::CreateNullValue());
+  policy.Set("null", base::MakeUnique<base::Value>());
   policy.SetBoolean("bool", true);
   policy.SetInteger("int", -123);
   policy.SetDouble("double", 456.78e9);
   base::ListValue list;
   list.Append(policy.DeepCopy());
   list.Append(policy.DeepCopy());
   policy.Set("list", list.DeepCopy());
   // Encode |policy| before adding the "dict" entry.
   std::string encoded_dict;
   base::JSONWriter::Write(policy, &encoded_dict);
@@ skipping 269 matching lines @@
   expected.Get(ns_a).LoadFrom(&expected_a, POLICY_LEVEL_MANDATORY,
                               POLICY_SCOPE_MACHINE, POLICY_SOURCE_PLATFORM);
   base::DictionaryValue expected_b;
   expected_b.SetInteger("policy 1", 2);
   expected.Get(ns_b).LoadFrom(&expected_b, POLICY_LEVEL_MANDATORY,
                               POLICY_SCOPE_MACHINE, POLICY_SOURCE_PLATFORM);
   EXPECT_TRUE(Matches(expected));
 }
 
 }  // namespace policy