Add more browser tests for Kiosk update from usb stick.

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 168 matching lines @@
   void InstallFromCache(const std::string& id);
 
   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_; }
 
  private:
@@ skipping 76 matching lines @@
   // The extension external loader for installing kiosk app.
   bool external_loader_created_;
   base::WeakPtr<KioskAppExternalLoader> external_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskAppManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_APP_MANAGER_H_