Create top level apps component and move some apps code there.

chrome/chrome_browser_extensions.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 414 matching lines @@
         'browser/extensions/app_notification_manager.h',
         'browser/extensions/app_notification_storage.cc',
         'browser/extensions/app_notification_storage.h',
         'browser/extensions/app_notify_channel_setup.cc',
         'browser/extensions/app_notify_channel_setup.h',
         'browser/extensions/app_notify_channel_ui.h',
         'browser/extensions/app_notify_channel_ui_impl.cc',
         'browser/extensions/app_notify_channel_ui_impl.h',
         'browser/extensions/app_notify_channel_ui_android.cc',
         'browser/extensions/app_notify_channel_ui_android.h',
-        'browser/extensions/app_restore_service.cc',
-        'browser/extensions/app_restore_service.h',
-        'browser/extensions/app_restore_service_factory.cc',
-        'browser/extensions/app_restore_service_factory.h',
         'browser/extensions/app_shortcut_manager.cc',
         'browser/extensions/app_shortcut_manager.h',
         'browser/extensions/app_sync_bundle.cc',
         'browser/extensions/app_sync_bundle.h',
         'browser/extensions/app_sync_data.cc',
         'browser/extensions/app_sync_data.h',
         'browser/extensions/blacklist.cc',
         'browser/extensions/blacklist.h',
         'browser/extensions/browser_action_test_util.h',
         'browser/extensions/browser_event_router.cc',
@@ skipping 505 matching lines @@
           'msvs_settings': {
             'VCLinkerTool': {
               'SubSystem': '2',  # Set /SUBSYSTEM:WINDOWS
             },
           },
         },
       ],
     }, ],  # 'OS=="win"'
   ],  # 'conditions'
 }