Add chromeos::NetworkStateManager

chromeos/network/network_state_handler_observer.cc

Index: chromeos/network/network_state_handler_observer.cc
diff --git a/chromeos/network/network_state_handler_observer.cc b/chromeos/network/network_state_handler_observer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d2027462f121e705e19fb90c35bdb9202a9f6dc8
--- /dev/null
+++ b/chromeos/network/network_state_handler_observer.cc
@@ -0,0 +1,36 @@
+// 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.
+
+#include "chromeos/network/network_state_handler_observer.h"
+
+namespace chromeos {
+
+NetworkStateHandlerObserver::NetworkStateHandlerObserver() {
+}
+
+NetworkStateHandlerObserver::~NetworkStateHandlerObserver() {
+}
+
+void NetworkStateHandlerObserver::NetworkManagerChanged(
+    const std::string& property) {
+}
+
+void NetworkStateHandlerObserver::NetworkListChanged(
+    const NetworkStateList& networks) {
+}
+
+void NetworkStateHandlerObserver::ActiveNetworkChanged(
+    const NetworkState* network) {
+}
+
+void NetworkStateHandlerObserver::ActiveNetworkStateChanged(
+    const NetworkState* network) {
+}
+
+void NetworkStateHandlerObserver::NetworkServicePropertyChanged(
+    const NetworkState* network,
+    const std::string& property) {
+}
+
+}  // namespace chromeos