Implement kiosk multiple apps feature.

chrome/browser/chromeos/app_mode/kiosk_app_manager.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_KIOSK_APP_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 158 matching lines @@
 
   // Gets the path and version of the cached crx with |app_id|.
   // Returns true if the app is found in cache.
   bool GetCachedCrx(const std::string& app_id,
                     base::FilePath* file_path,
                     std::string* version) const;
 
   void AddObserver(KioskAppManagerObserver* observer);
   void RemoveObserver(KioskAppManagerObserver* observer);
 
-  // Creates extensions::ExternalLoader for installing kiosk apps during their
-  // first time launch.
+  // Creates extensions::ExternalLoader for installing the primary kiosk app
+  // during its first time launch.
   extensions::ExternalLoader* CreateExternalLoader();
 
+  // Creates extensions::ExternalLoader for installing secondary kiosk apps
+  // before launching the primary app for the first time.
+  extensions::ExternalLoader* CreateSecondaryAppExternalLoader();
+
   // Installs kiosk app with |id| from cache.
   void InstallFromCache(const std::string& id);
 
+  // Installs the secondary apps listed in |ids|.
+  void InstallSecondaryApps(const std::vector<std::string>& ids);
+
   void UpdateExternalCache();
 
   // Monitors kiosk external update from usb stick.
   void MonitorKioskExternalUpdate();
 
   // Invoked when kiosk app cache has been updated.
   void OnKioskAppCacheUpdated(const std::string& app_id);
 
   // Invoked when kiosk app updating from usb stick has been completed.
   // |success| indicates if all the updates are completed successfully.
   void OnKioskAppExternalUpdateComplete(bool success);
 
   // Installs the validated external extension into cache.
   void PutValidatedExternalExtension(
       const std::string& app_id,
       const base::FilePath& crx_path,
       const std::string& version,
       const ExternalCache::PutExternalExtensionCallback& callback);
 
   bool external_loader_created() const { return external_loader_created_; }
+  bool secondary_app_external_loader_created() const {
+    return secondary_app_external_loader_created_;
+  }
 
   // Notifies the KioskAppManager that a given app was auto-launched
   // automatically with no delay on startup. Certain privacy-sensitive
   // kiosk-mode behavior (such as network reporting) is only enabled for
   // kiosk apps that are immediately auto-launched on startup.
   void SetAppWasAutoLaunchedWithZeroDelay(const std::string& app_id);
 
  private:
   friend struct base::DefaultLazyInstanceTraits<KioskAppManager>;
   friend struct base::DefaultDeleter<KioskAppManager>;
@@ skipping 65 matching lines @@
 
   scoped_ptr<CrosSettings::ObserverSubscription>
       local_accounts_subscription_;
   scoped_ptr<CrosSettings::ObserverSubscription>
       local_account_auto_login_id_subscription_;
 
   scoped_ptr<ExternalCache> external_cache_;
 
   scoped_ptr<KioskExternalUpdater> usb_stick_updater_;
 
-  // The extension external loader for installing kiosk app.
+  // The extension external loader for deploying primary app.
   bool external_loader_created_;
   base::WeakPtr<KioskAppExternalLoader> external_loader_;
 
+  // The extension external loader for deploying secondary apps.
+  bool secondary_app_external_loader_created_;
+  base::WeakPtr<KioskAppExternalLoader> secondary_app_external_loader_;
+
   DISALLOW_COPY_AND_ASSIGN(KioskAppManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_MANAGER_H_