Validate hash_sha256 checksum on .crx update.

chrome/browser/chromeos/app_mode/kiosk_app_data.cc

 // 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.
 
 #include "chrome/browser/chromeos/app_mode/kiosk_app_data.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 128 matching lines @@
   void StartOnBlockingPool() {
     DCHECK(task_runner_->RunsTasksOnCurrentThread());
 
     if (!temp_dir_.CreateUniqueTempDir()) {
       success_ = false;
       NotifyFinishedOnBlockingPool();
       return;
     }
 
     scoped_refptr<extensions::SandboxedUnpacker> unpacker(
-        new extensions::SandboxedUnpacker(crx_file_,
-                                          extensions::Manifest::INTERNAL,
-                                          extensions::Extension::NO_FLAGS,
-                                          temp_dir_.path(),
-                                          task_runner_.get(),
-                                          this));
+        new extensions::SandboxedUnpacker(
+            extensions::CRXFileInfo(crx_file_), extensions::Manifest::INTERNAL,
+            extensions::Extension::NO_FLAGS, temp_dir_.path(),
+            task_runner_.get(), this));
     unpacker->Start();
   }
 
   void NotifyFinishedOnBlockingPool() {
     DCHECK(task_runner_->RunsTasksOnCurrentThread());
 
     if (!temp_dir_.Delete()) {
       LOG(WARNING) << "Can not delete temp directory at "
                    << temp_dir_.path().value();
     }
@@ skipping 481 matching lines @@
 
   SkBitmap icon = crx_loader->icon();
   if (icon.empty())
     icon = *extensions::util::GetDefaultAppIcon().bitmap();
   SetCache(crx_loader->name(), icon);
 
   SetStatus(STATUS_LOADED);
 }
 
 }  // namespace chromeos