Fix of "login is not defined" error in OOBE

chrome/browser/ui/webui/chromeos/login/base_screen_handler.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/ui/webui/chromeos/login/base_screen_handler.h"
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/screens/base_screen.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "components/login/localized_values_builder.h"
 #include "content/public/browser/web_ui.h"
 
 namespace chromeos {
 
 namespace {
 const char kMethodContextChanged[] = "contextChanged";
 }  // namespace
 
+JSCallsContainer::JSCallsContainer() = default;
+
+JSCallsContainer::~JSCallsContainer() = default;
+
 BaseScreenHandler::BaseScreenHandler() = default;
 
+BaseScreenHandler::BaseScreenHandler(JSCallsContainer* js_calls_container)
+    : js_calls_container_(js_calls_container) {}
+
 BaseScreenHandler::~BaseScreenHandler() {
   if (base_screen_)
     base_screen_->set_model_view_channel(nullptr);
 }
 
 void BaseScreenHandler::InitializeBase() {
   page_is_ready_ = true;
   Initialize();
   if (!pending_context_changes_.empty()) {
     CommitContextChanges(pending_context_changes_);
@@ skipping 80 matching lines @@
   if (base_screen_)
     base_screen_->OnUserAction(action_id);
 }
 
 void BaseScreenHandler::HandleContextChanged(
     const base::DictionaryValue* diff) {
   if (diff && base_screen_)
     base_screen_->OnContextChanged(*diff);
 }
 
+void BaseScreenHandler::ExecuteDeferredJSCalls() {
+  DCHECK(!js_calls_container_->is_initialized());
+  js_calls_container_->mark_initialized();
+  for (const auto& deferred_js_call : js_calls_container_->deferred_js_calls())
+    deferred_js_call.Run();
+  js_calls_container_->deferred_js_calls().clear();
+}
+
 }  // namespace chromeos