Add more browser tests for Kiosk update from usb stick.

chrome/browser/chromeos/app_mode/kiosk_external_updater.h

 // Copyright 2014 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_EXTERNAL_UPDATER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_EXTERNAL_UPDATER_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
 #include "base/sequenced_task_runner.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_external_update_validator.h"
 #include "chromeos/disks/disk_mount_manager.h"
 
 namespace chromeos {
 
 class KioskExternalUpdateNotification;
 
 // Observes the disk mount/unmount events, scans the usb stick for external
 // kiosk app updates, validates the external crx, and updates the cache.
@@ skipping 59 matching lines @@
   // Returns true if |external_update_| is interrupted before the updating
   // completes.
   bool CheckExternalUpdateInterrupted();
 
   // Validates the external updates.
   void ValidateExternalUpdates();
 
   // Returns true if there are any external updates pending.
   bool IsExternalUpdatePending();
 
+  // Returns true if all external updates specified in the manifest are
+  // completed successfully.
+  bool IsAllExternalUpdatesSucceeded();
+
   // Returns true if the app with |app_id| should be updated to
   // |external_extension|.
   bool ShouldDoExternalUpdate(const std::string& app_id,
                               const std::string& version,
                               const std::string& min_browser_version);
 
   // Installs the validated extension into cache.
   // |*crx_copied| indicates whether the |crx_file| is copied successfully.
   void PutValidatedExtension(bool* crx_copied,
                              const std::string& app_id,
@@ skipping 38 matching lines @@
   scoped_ptr<KioskExternalUpdateNotification> notification_;
 
   base::WeakPtrFactory<KioskExternalUpdater> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskExternalUpdater);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_EXTERNAL_UPDATER_H_