Show an InfoBar when trying to start Packaged Apps from Metro mode.

apps/app_restore_service.h

 // Copyright (c) 2012 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 APPS_APP_RESTORE_SERVICE_H_
 #define APPS_APP_RESTORE_SERVICE_H_
 
 #include <string>
 #include <vector>
 
 #include "chrome/browser/profiles/profile_keyed_service.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 namespace extensions {
 class Extension;
 
 namespace app_file_handler_util {
 struct SavedFileEntry;
 }
 
 }
 
+class ExtensionService;
 class Profile;
 
 using extensions::app_file_handler_util::SavedFileEntry;
 
 namespace apps {
 
 // Tracks what apps need to be restarted when the browser restarts.
 class AppRestoreService : public ProfileKeyedService,
                           public content::NotificationObserver {
  public:
   explicit AppRestoreService(Profile* profile);
 
   // Restart apps that need to be restarted and clear the "running" preference
   // from apps to prevent them being restarted in subsequent restarts.
   void HandleStartup(bool should_restore_apps);
 
  private:
   // content::NotificationObserver.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   void RecordAppStart(const std::string& extension_id);
   void RecordAppStop(const std::string& extension_id);
   void RestoreApp(
       const extensions::Extension* extension,
       const std::vector<SavedFileEntry>& file_entries);
 
+  void LaunchAppWithId(const std::string& extension_id);
+  void MaybeHandleMetroRelaunch(ExtensionService* extension_service);
+
   content::NotificationRegistrar registrar_;
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(AppRestoreService);
 };
 
 }  // namespace apps
 
 #endif  // APPS_APP_RESTORE_SERVICE_H_