Moves maintaining root_window_for_new_windows_ to Shell

chrome/browser/chromeos/ui/kiosk_external_update_notification.cc

 // Copyright 2014 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/ui/kiosk_external_update_notification.h"
 
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/shell.h"
 #include "base/macros.h"
 #include "ui/aura/window.h"
@@ skipping 103 matching lines @@
     const base::string16& message) {
   if (view_)
     view_->SetMessage(message);
 }
 
 void KioskExternalUpdateNotification::CreateAndShowNotificationView(
     const base::string16& message) {
   view_ = new KioskExternalUpdateNotificationView(this);
   view_->SetMessage(message);
 
-  aura::Window* root_window = ash::Shell::GetTargetRootWindow();
+  aura::Window* root_window = ash::Shell::GetRootWindowForNewWindows();
   gfx::Size rs = root_window->bounds().size();
   gfx::Size ps = view_->GetPreferredSize();
   gfx::Rect bounds((rs.width() - ps.width()) / 2,
                    (rs.height() - ps.height()) / 10,
                    ps.width(),
                    ps.height());
   views::Widget::InitParams params;
   params.type = views::Widget::InitParams::TYPE_POPUP;
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
   params.ownership = views::Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET;
@@ skipping 13 matching lines @@
 
 void KioskExternalUpdateNotification::Dismiss() {
   if (view_) {
     KioskExternalUpdateNotificationView* view = view_;
     view_ = NULL;
     view->CloseByOwner();
   }
 }
 
 }  // namespace chromeos