Add native-side unit test for Android NetworkChangeNotifier

net/android/network_change_notifier_factory.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_ANDROID_NETWORK_CHANGE_NOTIFIER_FACTORY_H_
-#define NET_ANDROID_NETWORK_CHANGE_NOTIFIER_FACTORY_H_
-
-#include "base/compiler_specific.h"
-#include "net/base/network_change_notifier_factory.h"
-
-namespace net {
-
-class NetworkChangeNotifier;
-
-namespace android {
-
-// NetworkChangeNotifierFactory creates Android-specific specialization of
-// NetworkChangeNotifier.
-class NetworkChangeNotifierFactory : public net::NetworkChangeNotifierFactory {
- public:
-  NetworkChangeNotifierFactory();
-
-  // Overrides of net::NetworkChangeNotifierFactory.
-  virtual net::NetworkChangeNotifier* CreateInstance() OVERRIDE;
-};
-
-}  // namespace android
-}  // namespace net
-
-#endif  // NET_ANDROID_NETWORK_CHANGE_NOTIFIER_FACTORY_H_