Split network_interfaces.h off of net_utils.h.

net/base/net_util_mac.h

-// Copyright (c) 2014 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_NET_UTIL_MAC_H_
-#define NET_BASE_NET_UTIL_MAC_H_
-
-// This file is only used to expose some of the internals
-// of net_util_mac.cc to tests.
-
-#include "base/macros.h"
-#include "net/base/net_export.h"
-#include "net/base/net_util.h"
-
-struct ifaddrs;
-struct sockaddr;
-
-namespace net {
-namespace internal {
-
-class NET_EXPORT IPAttributesGetterMac {
- public:
-  IPAttributesGetterMac() {}
-  virtual ~IPAttributesGetterMac() {}
-  virtual bool IsInitialized() const = 0;
-  virtual bool GetIPAttributes(const char* ifname,
-                               const sockaddr* sock_addr,
-                               int* native_attributes) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(IPAttributesGetterMac);
-};
-
-NET_EXPORT bool GetNetworkListImpl(NetworkInterfaceList* networks,
-                                   int policy,
-                                   const ifaddrs* interfaces,
-                                   IPAttributesGetterMac* ip_attributes_getter);
-
-}  // namespace internal
-}  // namespace net
-
-#endif  // NET_BASE_NET_UTIL_MAC_H_