Add chromeos::NetworkStateManager

chromeos/network/network_service_observer.cc

Index: chromeos/network/network_service_observer.cc
diff --git a/chromeos/network/network_service_observer.cc b/chromeos/network/network_service_observer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..149210f91675f456d523176e01c67999d99521e5
--- /dev/null
+++ b/chromeos/network/network_service_observer.cc
@@ -0,0 +1,31 @@
+// 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_service_observer.h"
+
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/shill_service_client.h"
+#include "dbus/object_path.h"
+
+namespace chromeos {
+
+NetworkServiceObserver::NetworkServiceObserver(const std::string& service_path,
+                                               Handler handler)
+    : service_path_(service_path),
+      handler_(handler) {
+  DBusThreadManager::Get()->GetShillServiceClient()->
+      AddPropertyChangedObserver(dbus::ObjectPath(service_path), this);
+}
+
+NetworkServiceObserver::~NetworkServiceObserver() {
+  DBusThreadManager::Get()->GetShillServiceClient()->
+      RemovePropertyChangedObserver(dbus::ObjectPath(service_path_), this);
+}
+
+void NetworkServiceObserver::OnPropertyChanged(const std::string& key,
+                                               const base::Value& value) {
+  handler_.Run(service_path_, key, value);
+}
+
+}  // namespace chromeos