Revert of Disable delaying of Apps installation on Chrome OS for first time sign-in

chrome/browser/extensions/external_provider_impl.cc

 // Copyright (c) 2012 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/extensions/external_provider_impl.h"
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 455 matching lines @@
   int bundled_extension_creation_flags = Extension::NO_FLAGS;
 #endif
 #if defined(OS_CHROMEOS)
   bundled_extension_creation_flags = Extension::FROM_WEBSTORE |
       Extension::WAS_INSTALLED_BY_DEFAULT;
 
   if (!is_chrome_os_public_session) {
     int external_apps_path_id = profile->IsSupervised() ?
         chrome::DIR_SUPERVISED_USERS_DEFAULT_APPS :
         chrome::DIR_STANDALONE_EXTERNAL_EXTENSIONS;
+    ExternalPrefLoader::Options pref_load_flags = profile->IsNewProfile() ?
+        ExternalPrefLoader::DELAY_LOAD_UNTIL_PRIORITY_SYNC :
+        ExternalPrefLoader::NONE;
     provider_list->push_back(
         linked_ptr<ExternalProviderInterface>(new ExternalProviderImpl(
             service,
             new ExternalPrefLoader(external_apps_path_id,
-                                   ExternalPrefLoader::NONE,
+                                   pref_load_flags,
                                    profile),
             profile,
             Manifest::EXTERNAL_PREF,
             Manifest::EXTERNAL_PREF_DOWNLOAD,
             bundled_extension_creation_flags)));
 
     // OEM default apps.
     int oem_extension_creation_flags =
         bundled_extension_creation_flags | Extension::WAS_INSTALLED_BY_OEM;
     chromeos::ServicesCustomizationDocument* customization =
@@ skipping 86 matching lines @@
             service,
             new ExternalComponentLoader(profile),
             profile,
             Manifest::INVALID_LOCATION,
             Manifest::EXTERNAL_COMPONENT,
             Extension::FROM_WEBSTORE | Extension::WAS_INSTALLED_BY_DEFAULT)));
   }
 }
 
 }  // namespace extensions