mustash: Show networking items in ash system tray

ash/mus/window_manager_application.cc

Index: ash/mus/window_manager_application.cc
diff --git a/ash/mus/window_manager_application.cc b/ash/mus/window_manager_application.cc
index 00cdd43f21afd6152ed5ec69a038ab41155f48d3..4be71dac89ed3d3215f1e1991b3b064210dfba46 100644
--- a/ash/mus/window_manager_application.cc
+++ b/ash/mus/window_manager_application.cc
@@ -33,6 +33,7 @@
 #include "ash/common/system/chromeos/power/power_status.h"
 #include "chromeos/audio/cras_audio_handler.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/network/network_handler.h"
 #include "chromeos/system/fake_statistics_provider.h"
 #include "device/bluetooth/dbus/bluez_dbus_manager.h"  // nogncheck
 #endif
@@ -53,6 +54,7 @@ void InitializeComponents() {
   bluez::BluezDBusManager::Initialize(
       chromeos::DBusThreadManager::Get()->GetSystemBus(),
       chromeos::DBusThreadManager::Get()->IsUsingFakes());
+  chromeos::NetworkHandler::Initialize();
   // TODO(jamescook): Initialize real audio handler.
   chromeos::CrasAudioHandler::InitializeForTesting();
   PowerStatus::Initialize();
@@ -63,6 +65,7 @@ void ShutdownComponents() {
 #if defined(OS_CHROMEOS)
   PowerStatus::Shutdown();
   chromeos::CrasAudioHandler::Shutdown();
+  chromeos::NetworkHandler::Shutdown();
   bluez::BluezDBusManager::Shutdown();
   chromeos::DBusThreadManager::Shutdown();
 #endif