Replace the WAS_INSTALLED_BY_CUSTODIAN creation flag with a pref

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 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/extensions/extension_service.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <iterator>
@@ skipping 530 matching lines @@
             id, Extension::DISABLE_PERMISSIONS_INCREASE);
     const base::Version& expected_version = pending_extension_info->version();
     if (has_permissions_increase ||
         pending_extension_info->remote_install() ||
         !expected_version.IsValid()) {
       installer->set_grant_permissions(false);
     } else {
       installer->set_expected_version(expected_version,
                                       false /* fail_install_if_unexpected */);
     }
-    creation_flags = pending_extension_info->creation_flags();
     if (pending_extension_info->mark_acknowledged())
       external_install_manager_->AcknowledgeExternalExtension(id);
   } else if (extension) {
     installer->set_install_source(extension->location());
   }
   // If the extension was installed from or has migrated to the webstore, or
   // its auto-update URL is from the webstore, treat it as a webstore install.
   // Note that we ignore some older extensions with blank auto-update URLs
   // because we are mostly concerned with restrictions on NaCl extensions,
   // which are newer.
@@ skipping 1871 matching lines @@
 }
 
 void ExtensionService::OnProfileDestructionStarted() {
   ExtensionIdSet ids_to_unload = registry_->enabled_extensions().GetIDs();
   for (ExtensionIdSet::iterator it = ids_to_unload.begin();
        it != ids_to_unload.end();
        ++it) {
     UnloadExtension(*it, UnloadedExtensionInfo::REASON_PROFILE_SHUTDOWN);
   }
 }