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

chromecast/net/network_change_notifier_factory_cast.cc

+// 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.
+
+#include "chromecast/net/network_change_notifier_factory_cast.h"
+
+#include "chromecast/net/net_util_cast.h"
+#include "net/base/network_change_notifier_linux.h"
+
+namespace chromecast {
+
+net::NetworkChangeNotifier* NetworkChangeNotifierFactoryCast::CreateInstance() {
+  // Caller assumes ownership.
+  return new net::NetworkChangeNotifierLinux(GetIgnoredInterfaces());
+}
+
+NetworkChangeNotifierFactoryCast::~NetworkChangeNotifierFactoryCast() {
+}
+
+}  // namespace chromecast