Add a basic demo mode browser test.

chrome/browser/chromeos/login/app_launch_controller.cc

 // Copyright 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/login/app_launch_controller.h"
 
 #include "apps/app_window.h"
 #include "apps/app_window_registry.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
+#include "base/logging.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/app_mode/app_session_lifetime.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/app_mode/startup_app_launcher.h"
 #include "chrome/browser/chromeos/login/login_display_host.h"
@@ skipping 111 matching lines @@
     registrar_.Add(this, chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
                    content::NotificationService::AllSources());
   }
   launch_splash_start_time_ = base::TimeTicks::Now().ToInternalValue();
 
   // TODO(tengs): Add a loading profile app launch state.
   app_launch_splash_screen_actor_->SetDelegate(this);
   app_launch_splash_screen_actor_->Show(app_id_);
 
   KioskAppManager::App app;
-  CHECK(KioskAppManager::Get() &&
-        KioskAppManager::Get()->GetApp(app_id_, &app));
+  CHECK(KioskAppManager::Get());
+  CHECK(KioskAppManager::Get()->GetApp(app_id_, &app));
   kiosk_profile_loader_.reset(
       new KioskProfileLoader(app.user_id, false, this));
   kiosk_profile_loader_->Start();
 }
 
 // static
 void AppLaunchController::SkipSplashWaitForTesting() {
   skip_splash_wait_ = true;
 }
 
@@ skipping 240 matching lines @@
              << ", error=" << error;
   DCHECK_NE(KioskAppLaunchError::NONE, error);
 
   // Saves the error and ends the session to go back to login screen.
   KioskAppLaunchError::Save(error);
   chrome::AttemptUserExit();
   CleanUp();
 }
 
 }   // namespace chromeos