kiosk: Ensure launching latest version.

chrome/browser/chromeos/app_mode/startup_app_launcher.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/startup_app_launcher.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/path_service.h"
@@ skipping 273 matching lines @@
 
   extensions::InstallTracker* tracker =
       extensions::InstallTrackerFactory::GetForBrowserContext(profile_);
   tracker->RemoveObserver(this);
   if (delegate_->IsShowingNetworkConfigScreen()) {
     LOG(WARNING) << "Showing network config screen";
     return;
   }
 
   if (success) {
+    ExtensionService* service =
+        extensions::ExtensionSystem::Get(profile_)->extension_service();
+    if (service->GetPendingExtensionUpdate(app_id_))
+      service->FinishDelayedInstallation(app_id_);
+
     MaybeLaunchApp();
     return;
   }
 
   LOG(ERROR) << "Failed to install the kiosk application app_id: "
              << extension_id;
   OnLaunchFailure(KioskAppLaunchError::UNABLE_TO_INSTALL);
 }
 
 void StartupAppLauncher::OnKioskExtensionLoadedInCache(
@@ skipping 93 matching lines @@
   UpdateAppData();
   delegate_->OnReadyToLaunch();
 }
 
 void StartupAppLauncher::UpdateAppData() {
   KioskAppManager::Get()->ClearAppData(app_id_);
   KioskAppManager::Get()->UpdateAppDataFromProfile(app_id_, profile_, NULL);
 }
 
 }   // namespace chromeos