Remove base::Value::CreateNullValue

components/policy/core/common/registry_dict.cc

 // Copyright 2013 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/registry_dict.h"
 
 #include <utility>
 
 #include "base/json/json_reader.h"
 #include "base/memory/ptr_util.h"
@@ skipping 58 matching lines @@
       return std::move(result);
     }
     return value.CreateDeepCopy();
   }
 
   // Else, do some conversions to map windows registry data types to JSON types.
   std::string string_value;
   int int_value = 0;
   switch (schema.type()) {
     case base::Value::Type::NONE: {
-      return base::Value::CreateNullValue();
+      return base::MakeUnique<base::Value>();
     }
     case base::Value::Type::BOOLEAN: {
       // Accept booleans encoded as either string or integer.
       if (value.GetAsInteger(&int_value) ||
           (value.GetAsString(&string_value) &&
            base::StringToInt(string_value, &int_value))) {
         return std::unique_ptr<base::Value>(new base::Value(int_value != 0));
       }
       break;
     }
@@ skipping 262 matching lines @@
       return std::move(result);
     }
     default:
       LOG(WARNING) << "Can't convert registry key to schema type " << type;
   }
 
   return nullptr;
 }
 #endif  // #if defined(OS_WIN)
 }  // namespace policy