Add hooks to allow lock screen app pages in sign-in profile

chrome/test/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 2159 matching lines @@
         "../browser/chromeos/file_manager/image_loader_jstest.cc",
         "../browser/chromeos/file_manager/mount_test_util.cc",
         "../browser/chromeos/file_manager/mount_test_util.h",
         "../browser/chromeos/file_manager/video_player_browsertest.cc",
         "../browser/chromeos/file_manager/zip_file_creator_browsertest.cc",
         "../browser/chromeos/first_run/chromeos_first_run_browsertest.cc",
         "../browser/chromeos/first_run/drive_first_run_browsertest.cc",
         "../browser/chromeos/first_run/goodies_displayer_browsertest.cc",
         "../browser/chromeos/input_method/input_method_engine_browsertests.cc",
         "../browser/chromeos/input_method/mode_indicator_browsertest.cc",
+        "../browser/chromeos/lock_screen_apps/note_taking_browsertest.cc",
         "../browser/chromeos/login/auto_launched_kiosk_browsertest.cc",
         "../browser/chromeos/login/bluetooth_host_pairing_browsertest.cc",
         "../browser/chromeos/login/crash_restore_browsertest.cc",
         "../browser/chromeos/login/demo_mode/demo_app_launcher_browsertest.cc",
         "../browser/chromeos/login/easy_unlock/bootstrap_browsertest.cc",
         "../browser/chromeos/login/enable_debugging_browsertest.cc",
         "../browser/chromeos/login/enrollment/enrollment_screen_browsertest.cc",
         "../browser/chromeos/login/enrollment/mock_auto_enrollment_check_screen.cc",
         "../browser/chromeos/login/enrollment/mock_auto_enrollment_check_screen.h",
         "../browser/chromeos/login/enterprise_enrollment_browsertest.cc",
@@ skipping 2960 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }