Remove NetworkChangeNotifierCast.

chromecast/net/network_change_notifier_cast.h

-// Copyright 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 CHROMECAST_NET_NETWORK_CHANGE_NOTIFIER_CAST_H_
-#define CHROMECAST_NET_NETWORK_CHANGE_NOTIFIER_CAST_H_
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "net/base/network_change_notifier.h"
-
-namespace chromecast {
-
-// TODO(lcwu): http://crbug.com/391064. This is a place holder for
-// cast-specific NetworkChangeNotifier implementation. The actual
-// implementation of this class will come in later CLs.
-class NetworkChangeNotifierCast : public net::NetworkChangeNotifier {
- public:
-  NetworkChangeNotifierCast();
-  ~NetworkChangeNotifierCast() override;
-
-  // net::NetworkChangeNotifier implementation:
-  net::NetworkChangeNotifier::ConnectionType
-      GetCurrentConnectionType() const override;
-
- private:
-  friend class NetworkChangeNotifierCastTest;
-
-  DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierCast);
-};
-
-}  // namespace chromecast
-
-#endif  // CHROMECAST_NET_NETWORK_CHANGE_NOTIFIER_CAST_H_