[Offline pages] Use the new policy bits

components/offline_pages/downloads/download_ui_adapter.cc

 // Copyright 2016 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 "components/offline_pages/downloads/download_ui_adapter.h"
 
 #include "base/bind.h"
 #include "base/guid.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/offline_pages/client_namespace_constants.h"
+#include "components/offline_pages/client_policy_controller.h"
 #include "components/offline_pages/downloads/download_ui_item.h"
 #include "components/offline_pages/offline_page_model.h"
 
 namespace offline_pages {
 
 namespace {
 const char kDownloadUIAdapterKey[] = "download-ui-adapter";
 }
 
 DownloadUIAdapter::ItemInfo::ItemInfo(const OfflinePageItem& page)
@@ skipping 181 matching lines @@
   }
 }
 
 void DownloadUIAdapter::OnDeletePagesDone(DeletePageResult result) {
   // TODO(dimich): Consider adding UMA to record user actions.
 }
 
 // static
 bool DownloadUIAdapter::IsVisibleInUI(const ClientId& client_id) {
   const std::string& name_space = client_id.name_space;
-  return (name_space == kAsyncNamespace || name_space == kDownloadNamespace) &&
+  return ClientPolicyController().IsSupportedByDownload(name_space) &&
          base::IsValidGUID(client_id.id);
 }
 
 }  // namespace offline_pages