Validate hash_sha256 checksum on .crx update.

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"
@@ skipping 27 matching lines @@
   ~KioskExternalUpdater() override;
 
  private:
   enum ExternalUpdateStatus {
     PENDING,
     SUCCESS,
     FAILED,
   };
   struct ExternalUpdate {
     ExternalUpdate();
+    ~ExternalUpdate();
 
     std::string app_name;
-    base::FilePath external_crx;
+    extensions::CRXFileInfo external_crx;
     ExternalUpdateStatus update_status;
     base::string16 error;
   };
 
   // disks::DiskMountManager::Observer overrides.
   void OnDiskEvent(disks::DiskMountManager::DiskEvent event,
                    const disks::DiskMountManager::Disk* disk) override;
   void OnDeviceEvent(disks::DiskMountManager::DeviceEvent event,
                      const std::string& device_path) override;
   void OnMountEvent(
@@ skipping 82 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_