Remove base::Value::CreateNullValue

components/policy/core/browser/android/policy_converter.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 "components/policy/core/browser/android/policy_converter.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/android/jni_android.h"
@@ skipping 95 matching lines @@
 
 // static
 std::unique_ptr<base::Value> PolicyConverter::ConvertValueToSchema(
     std::unique_ptr<base::Value> value,
     const Schema& schema) {
   if (!schema.valid())
     return value;
 
   switch (schema.type()) {
     case base::Value::Type::NONE:
-      return base::Value::CreateNullValue();
+      return base::MakeUnique<base::Value>();
 
     case base::Value::Type::BOOLEAN: {
       std::string string_value;
       if (value->GetAsString(&string_value)) {
         if (string_value.compare("true") == 0)
           return base::MakeUnique<base::Value>(true);
 
         if (string_value.compare("false") == 0)
           return base::MakeUnique<base::Value>(false);
 
@@ skipping 64 matching lines @@
                                      std::unique_ptr<base::Value> value) {
   const Schema schema = policy_schema_->GetKnownProperty(key);
   const PolicyNamespace ns(POLICY_DOMAIN_CHROME, std::string());
   policy_bundle_->Get(ns).Set(
       key, POLICY_LEVEL_MANDATORY, POLICY_SCOPE_MACHINE, POLICY_SOURCE_PLATFORM,
       ConvertValueToSchema(std::move(value), schema), nullptr);
 }
 
 }  // namespace android
 }  // namespace policy