chromeos: Add _CHROME_LOGGED_IN property on root window.

chrome/browser/chromeos/login/wizard_controller.cc

 // Copyright (c) 2010 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/wizard_controller.h"
 
 #include <gdk/gdk.h>
 #include <signal.h>
 #include <sys/types.h>
 
@@ skipping 436 matching lines @@
 chromeos::ScreenObserver* WizardController::GetObserver(WizardScreen* screen) {
   return observer_ ? observer_ : this;
 }
 
 namespace browser {
 
 // Declared in browser_dialogs.h so that others don't need to depend on our .h.
 void ShowLoginWizard(const std::string& first_screen_name,
                      const gfx::Size& size) {
   LOG(INFO) << "showing login" << first_screen_name;
+
+  // Tell the window manager that the user isn't logged in.
+  chromeos::WmIpc::instance()->SetLoggedInProperty(false);
+
   gfx::Rect screen_bounds(CalculateScreenBounds(size));
 
   if (first_screen_name.empty() &&
       chromeos::CrosLibrary::Get()->EnsureLoaded() &&
       CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableLoginImages)) {
     std::vector<chromeos::UserManager::User> users =
         chromeos::UserManager::Get()->GetUsers();
     if (!users.empty()) {
       // ExistingUserController deletes itself.
       (new chromeos::ExistingUserController(users, screen_bounds))->Init();
       return;
     }
   }
 
   WizardController* controller = new WizardController();
   controller->ShowBackground(screen_bounds);
   controller->Init(first_screen_name, screen_bounds, true);
   controller->Show();
   if (chromeos::CrosLibrary::Get()->EnsureLoaded())
     chromeos::CrosLibrary::Get()->GetLoginLibrary()->EmitLoginPromptReady();
 }
 
 }  // namespace browser