Register signal handlers after shutdown pipe is setup.

chrome/browser/chromeos/login/base_login_display_host.cc

 // Copyright (c) 2011 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/base_login_display_host.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/login_library.h"
 #include "chrome/browser/chromeos/customization_document.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/language_preferences.h"
 #include "chrome/browser/chromeos/login/existing_user_controller.h"
 #include "chrome/browser/chromeos/login/helper.h"
 #include "chrome/browser/chromeos/login/language_switch_menu.h"
 #include "chrome/browser/chromeos/login/login_utils.h"
@@ skipping 190 matching lines @@
 }  // namespace chromeos
 
 // browser::ShowLoginWizard implementation -------------------------------------
 
 namespace browser {
 
 // Declared in browser_dialogs.h so that others don't need to depend on our .h.
 // TODO(nkostylev): Split this into a smaller functions.
 void ShowLoginWizard(const std::string& first_screen_name,
                      const gfx::Size& size) {
+  if (browser_shutdown::IsTryingToQuit())
+    return;
+
   VLOG(1) << "Showing OOBE screen: " << first_screen_name;
 
   // The login screen will enable alternate keyboard layouts, but we don't want
   // to start the IME process unless one is selected.
   chromeos::input_method::InputMethodManager::GetInstance()->
       SetDeferImeStartup(true);
   // Tell the window manager that the user isn't logged in.
   chromeos::WmIpc::instance()->SetLoggedInProperty(false);
 
   // Set up keyboards. For example, when |locale| is "en-US", enable US qwerty
@@ skipping 110 matching lines @@
   // user has changed to during OOBE.
   if (!timezone_name.empty()) {
     icu::TimeZone* timezone = icu::TimeZone::createTimeZone(
         icu::UnicodeString::fromUTF8(timezone_name));
     CHECK(timezone) << "Timezone could not be set for " << timezone_name;
     chromeos::system::TimezoneSettings::GetInstance()->SetTimezone(*timezone);
   }
 }
 
 }  // namespace browser