Remove popup overlay from MHTML when requested

components/offline_pages/core/offline_page_model_impl.cc

Index: components/offline_pages/core/offline_page_model_impl.cc
diff --git a/components/offline_pages/core/offline_page_model_impl.cc b/components/offline_pages/core/offline_page_model_impl.cc
index 245db22586d8fa368606460bde0dbd865607adc2..c73111213e27b60ebd2a6f41d4e33989424fc161 100644
--- a/components/offline_pages/core/offline_page_model_impl.cc
+++ b/components/offline_pages/core/offline_page_model_impl.cc
@@ -361,8 +361,12 @@ void OfflinePageModelImpl::SavePage(
   if (offline_id == kInvalidOfflineId)
     offline_id = GenerateOfflineId();
 
+  OfflinePageArchiver::CreateArchiveParams create_archive_params;
+  create_archive_params.remove_popup_overlay =
+      policy_controller_->ShouldRemovePopupOverlay(
+          save_page_params.client_id.name_space);
   archiver->CreateArchive(
-      archives_dir_, offline_id,
+      archives_dir_, create_archive_params,
       base::Bind(&OfflinePageModelImpl::OnCreateArchiveDone,
                  weak_ptr_factory_.GetWeakPtr(), save_page_params, offline_id,
                  GetCurrentTime(), callback));