cros: Move wallpaper after login screen is gone

chrome/browser/chromeos/login/app_launch_controller.cc

 // Copyright 2013 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/chromeos/login/app_launch_controller.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
@@ skipping 311 matching lines @@
   network_wait_timer_.Stop();
 }
 
 void AppLaunchController::CleanUp() {
   ClearNetworkWaitTimer();
   kiosk_profile_loader_.reset();
   startup_app_launcher_.reset();
   splash_wait_timer_.Stop();
 
   if (host_)
-    host_->Finalize();
+    host_->Finalize(base::OnceClosure());
 }
 
 void AppLaunchController::OnNetworkWaitTimedout() {
   DCHECK(waiting_for_network_);
   LOG(WARNING) << "OnNetworkWaitTimedout... connection = "
                <<  net::NetworkChangeNotifier::GetConnectionType();
   network_wait_timedout_ = true;
 
   MaybeShowNetworkConfigureUI();
 
@@ skipping 169 matching lines @@
   KioskAppLaunchError::Save(error);
   chrome::AttemptUserExit();
   CleanUp();
 }
 
 bool AppLaunchController::IsShowingNetworkConfigScreen() {
   return network_config_requested_;
 }
 
 }   // namespace chromeos