Remove base::Value::CreateNullValue

device/bluetooth/bluez/bluetooth_service_attribute_value_bluez.cc

 // Copyright 2016 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 "device/bluetooth/bluez/bluetooth_service_attribute_value_bluez.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 
 namespace bluez {
 
 BluetoothServiceAttributeValueBlueZ::BluetoothServiceAttributeValueBlueZ()
-    : type_(NULLTYPE), size_(0), value_(base::Value::CreateNullValue()) {}
+    : type_(NULLTYPE), size_(0), value_(base::MakeUnique<base::Value>()) {}
 
 BluetoothServiceAttributeValueBlueZ::BluetoothServiceAttributeValueBlueZ(
     Type type,
     size_t size,
     std::unique_ptr<base::Value> value)
     : type_(type), size_(size), value_(std::move(value)) {
   CHECK_NE(type, SEQUENCE);
 }
 
 BluetoothServiceAttributeValueBlueZ::BluetoothServiceAttributeValueBlueZ(
@@ skipping 19 matching lines @@
       value_ = attribute.value_->CreateDeepCopy();
       sequence_ = nullptr;
     }
   }
   return *this;
 }
 
 BluetoothServiceAttributeValueBlueZ::~BluetoothServiceAttributeValueBlueZ() {}
 
 }  // namespace bluez