Fix UserSessionManager::Shutdown ordering.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // Copyright (c) 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/chrome_browser_main_chromeos.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/ash_switches.h"
@@ skipping 719 matching lines @@
   // CrosSettings singleton before it is destroyed.
   g_browser_process->platform_part()->ShutdownDeviceDisablingManager();
 
   // Let the AutomaticRebootManager unregister itself as an observer of several
   // subsystems.
   g_browser_process->platform_part()->ShutdownAutomaticRebootManager();
 
   // Clean up dependency on CrosSettings and stop pending data fetches.
   KioskAppManager::Shutdown();
 
+  // Make sure that there is no pending URLRequests.
+  UserSessionManager::GetInstance()->Shutdown();
+
   // Give BrowserPolicyConnectorChromeOS a chance to unregister any observers
   // on services that are going to be deleted later but before its Shutdown()
   // is called.
   g_browser_process->platform_part()->browser_policy_connector_chromeos()->
       PreShutdown();
 
   // We first call PostMainMessageLoopRun and then destroy UserManager, because
   // Ash needs to be closed before UserManager is destroyed.
   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 
   input_method::Shutdown();
 
   // Stops all in-flight OAuth2 token fetchers before the IO thread stops.
   DeviceOAuth2TokenServiceFactory::Shutdown();
 
   // Shutdown after PostMainMessageLoopRun() which should destroy all observers.
   CrasAudioHandler::Shutdown();
 
   // Called after
   // ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() to be
   // executed after execution of chrome::CloseAsh(), because some
   // parts of WebUI depends on NetworkPortalDetector.
   NetworkPortalDetector::Shutdown();
 
   g_browser_process->platform_part()->DestroyChromeUserManager();
 
-  // Make sure that there is no pending URLRequests.
-  UserSessionManager::GetInstance()->Shutdown();
-
   g_browser_process->platform_part()->ShutdownSessionManager();
 }
 
 void ChromeBrowserMainPartsChromeos::PostDestroyThreads() {
   // Destroy DBus services immediately after threads are stopped.
   dbus_services_.reset();
 
   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 
   // Destroy DeviceSettingsService after g_browser_process.
   DeviceSettingsService::Shutdown();
 }
 
 }  //  namespace chromeos