cros: Remove supervised user methods from SystemTrayDelegate

chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc

 // 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 "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 
 #include "ash/public/cpp/mus_property_mirror_ash.h"
 #include "ash/public/cpp/window_pin_type.h"
 #include "ash/public/cpp/window_properties.h"
 #include "ash/public/interfaces/window_pin_type.mojom.h"
@@ skipping 57 matching lines @@
 void ChromeBrowserMainExtraPartsAsh::PreProfileInit() {
   if (ash_util::ShouldOpenAshOnStartup())
     ash_init_ = base::MakeUnique<AshInit>();
 
   if (ash_util::IsRunningInMash()) {
     immersive_context_ = base::MakeUnique<ImmersiveContextMus>();
     immersive_handler_factory_ = base::MakeUnique<ImmersiveHandlerFactoryMus>();
   }
 
   session_controller_client_ = base::MakeUnique<SessionControllerClient>();
+  session_controller_client_->Init();
 
   // Must be available at login screen, so initialize before profile.
   system_tray_client_ = base::MakeUnique<SystemTrayClient>();
   new_window_client_ = base::MakeUnique<ChromeNewWindowClient>();
   volume_controller_ = base::MakeUnique<VolumeController>();
   vpn_list_forwarder_ = base::MakeUnique<VpnListForwarder>();
 
   // For OS_CHROMEOS, virtual keyboard needs to be initialized before profile
   // initialized. Otherwise, virtual keyboard extension will not load at login
   // screen.
@@ skipping 31 matching lines @@
   vpn_list_forwarder_.reset();
   volume_controller_.reset();
   new_window_client_.reset();
   system_tray_client_.reset();
   media_client_.reset();
   cast_config_client_media_router_.reset();
   session_controller_client_.reset();
 
   ash_init_.reset();
 }