[Chromecast] Ignore interfaces not used to connect to internet.

chromecast/net/network_change_notifier_factory_cast.h

+// Copyright 2015 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_FACTORY_CAST_H_
+#define CHROMECAST_NET_NETWORK_CHANGE_NOTIFIER_FACTORY_CAST_H_
+
+#include "base/compiler_specific.h"
+#include "base/macros.h"
+#include "net/base/network_change_notifier_factory.h"
+
+namespace chromecast {
+
+class NetworkChangeNotifierCast;
+
+class NetworkChangeNotifierFactoryCast
+    : public net::NetworkChangeNotifierFactory {
+ public:
+  NetworkChangeNotifierFactoryCast() {}
+  ~NetworkChangeNotifierFactoryCast() override;
+
+  // net::NetworkChangeNotifierFactory implementation:
+  net::NetworkChangeNotifier* CreateInstance() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierFactoryCast);
+};
+
+}  // namespace chromecast
+
+#endif  // CHROMECAST_NET_NETWORK_CHANGE_NOTIFIER_FACTORY_CAST_H_