Move extensions BCKS factory creation

apps/apps.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'apps',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 27 matching lines @@
         'app_window.cc',
         'app_window.h',
         'app_window_contents.cc',
         'app_window_contents.h',
         'app_window_geometry_cache.cc',
         'app_window_geometry_cache.h',
         'app_window_registry.cc',
         'app_window_registry.h',
         'apps_client.cc',
         'apps_client.h',
+        'browser_context_keyed_service_factories.cc',
+        'browser_context_keyed_service_factories.h',
         'launcher.cc',
         'launcher.h',
         'metrics_names.h',
         'pref_names.cc',
         'pref_names.h',
         'prefs.cc',
         'prefs.h',
         'saved_files_service.cc',
         'saved_files_service.h',
         'saved_files_service_factory.cc',
@@ skipping 156 matching lines @@
               'dependencies': [
                 '../sandbox/sandbox.gyp:sandbox',
               ],
             }],
           ],
         },
       ],  # targets
     }],  # chromeos==1
   ],  # conditions
 }