Login screen IME policy does not apply in user session

chrome/browser/chromeos/login/login_screen_policy_browsertest.cc

 // Copyright 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 "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/policy/device_policy_cros_browser_test.h"
 #include "chrome/browser/chromeos/policy/proto/chrome_device_policy.pb.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/settings/cros_settings_names.h"
 #include "components/user_manager/user_manager.h"
+#include "content/public/browser/notification_service.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/ime/chromeos/input_method_manager.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace em = enterprise_management;
 
 namespace chromeos {
 
@@ skipping 39 matching lines @@
 
   em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
   proto.mutable_supervised_users_settings()->set_supervised_users_enabled(true);
   RefreshDevicePolicyAndWaitForSettingChange(
       chromeos::kAccountsPrefSupervisedUsersEnabled);
 
   EXPECT_TRUE(user_manager::UserManager::Get()->AreSupervisedUsersAllowed());
 }
 
 IN_PROC_BROWSER_TEST_F(LoginScreenPolicyTest, RestrictInputMethods) {
+  content::WindowedNotificationObserver(
+      chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
+      content::NotificationService::AllSources())
+      .Wait();
+
   input_method::InputMethodManager* imm =
       input_method::InputMethodManager::Get();
   ASSERT_TRUE(imm);
 
   ASSERT_EQ(0U, imm->GetActiveIMEState()->GetAllowedInputMethods().size());
 
   em::ChromeDeviceSettingsProto& proto(device_policy()->payload());
   proto.mutable_login_screen_input_methods()->add_login_screen_input_methods(
       "xkb:de::ger");
   RefreshDevicePolicyAndWaitForSettingChange(
@@ skipping 38 matching lines @@
   // Make sure this is really French and differs from the English title.
   std::string loaded =
       ui::ResourceBundle::GetSharedInstance().ReloadLocaleResources("en-US");
   EXPECT_EQ("en-US", loaded);
   base::string16 english_title =
       l10n_util::GetStringUTF16(IDS_LOGIN_POD_SIGNING_IN);
   EXPECT_NE(french_title, english_title);
 }
 
 }  // namespace chromeos