cros: Explicitly manage app session lifetime.

chrome/browser/chromeos/app_mode/startup_app_launcher.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/timer.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "net/base/network_change_notifier.h"
 #include "ui/base/events/event_handler.h"
 
 class Profile;
 
@@ skipping 25 matching lines @@
   void Start();
 
  private:
   // OAuth parameters from /home/chronos/kiosk_auth file.
   struct KioskOAuthParams {
     std::string refresh_token;
     std::string client_id;
     std::string client_secret;
   };
 
+  // A class to watch for app window creation.
+  class AppWindowWatcher;
+
   // Private dtor because this class manages its own lifetime.
   virtual ~StartupAppLauncher();
 
   void Cleanup();
   void OnLaunchSuccess();
   void OnLaunchFailure(KioskAppLaunchError::Error error);
 
   void Launch();
 
   void BeginInstall();
@@ skipping 23 matching lines @@
   Profile* profile_;
   const std::string app_id_;
 
   int64 launch_splash_start_time_;
 
   scoped_refptr<extensions::WebstoreStandaloneInstaller> installer_;
   content::NotificationRegistrar registrar_;
   base::OneShotTimer<StartupAppLauncher> network_wait_timer_;
   KioskOAuthParams auth_params_;
 
+  scoped_ptr<AppWindowWatcher> app_window_watcher_;
+
   DISALLOW_COPY_AND_ASSIGN(StartupAppLauncher);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_STARTUP_APP_LAUNCHER_H_