[Mac] User manager should show up as a standalone window.

chrome/browser/browser_process_impl.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/browser_process_impl.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 42 matching lines @@
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
 #include "chrome/browser/plugins/plugin_finder.h"
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/browser/prefs/chrome_pref_service_factory.h"
 #include "chrome/browser/prerender/prerender_tracker.h"
 #include "chrome/browser/printing/background_printing_manager.h"
 #include "chrome/browser/printing/print_job_manager.h"
 #include "chrome/browser/printing/print_preview_dialog_controller.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/profiles/profiles_state.h"
 #include "chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/status_icons/status_tray.h"
 #include "chrome/browser/storage_monitor/storage_monitor.h"
 #include "chrome/browser/thumbnails/render_widget_snapshot_taker.h"
 #include "chrome/browser/ui/bookmarks/bookmark_prompt_controller.h"
+#include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/web_resource/promo_resource_service.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/chrome_extensions_client.h"
 #include "chrome/common/extensions/extension_l10n_util.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/switch_utils.h"
 #include "chrome/common/url_constants.h"
@@ skipping 161 matching lines @@
 
   // Need to clear the desktop notification balloons before the io_thread_ and
   // before the profiles, since if there are any still showing we will access
   // those things during teardown.
   notification_ui_manager_.reset();
 
   // Need to clear profiles (download managers) before the io_thread_.
   {
     TRACE_EVENT0("shutdown",
                  "BrowserProcessImpl::StartTearDown:ProfileManager");
+    // The desktop User Manager needs to be closed before the guest profile
+    // can be destroyed.
+    if (profiles::IsNewProfileManagementEnabled())
+      chrome::HideUserManager();
     profile_manager_.reset();
   }
 
 #if !defined(OS_ANDROID)
   // Debugger must be cleaned up before IO thread and NotificationService.
   remote_debugging_server_.reset();
 #endif
 
   ExtensionRendererState::GetInstance()->Shutdown();
 
@@ skipping 841 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)