NetLogEventParameter to Callback refactoring 1,

net/base/address_list_net_log_param.h

-// 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.
-
-#ifndef NET_BASE_ADDRESS_LIST_NET_LOG_PARAM_H_
-#define NET_BASE_ADDRESS_LIST_NET_LOG_PARAM_H_
-#pragma once
-
-#include "net/base/address_list.h"
-#include "net/base/net_log.h"
-
-namespace net {
-
-// NetLog parameter to describe an address list.
-// Note that AddressList uses ref-counted data, so this doesn't introduce
-// much of a memory overhead.
-class AddressListNetLogParam : public NetLog::EventParameters {
- public:
-  explicit AddressListNetLogParam(const AddressList& address_list);
-
-  virtual base::Value* ToValue() const OVERRIDE;
-
- protected:
-  virtual ~AddressListNetLogParam() {}
-
- private:
-  AddressList address_list_;
-};
-
-}  // namespace net
-
-#endif  // NET_BASE_ADDRESS_LIST_NET_LOG_PARAM_H_