Remove chrome/ code to handle App Notifications

chrome/chrome_browser.gypi

 # Copyright 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',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 1862 matching lines @@
         'browser/sync/backend_migrator.cc',
         'browser/sync/backend_migrator.h',
         'browser/sync/backend_unrecoverable_error_handler.cc',
         'browser/sync/backend_unrecoverable_error_handler.h',
         'browser/sync/failed_datatypes_handler.cc',
         'browser/sync/failed_datatypes_handler.h',
         'browser/sync/glue/android_invalidator_bridge.cc',
         'browser/sync/glue/android_invalidator_bridge.h',
         'browser/sync/glue/android_invalidator_bridge_proxy.cc',
         'browser/sync/glue/android_invalidator_bridge_proxy.h',
-        'browser/sync/glue/app_notification_data_type_controller.cc',
-        'browser/sync/glue/app_notification_data_type_controller.h',
         'browser/sync/glue/autofill_data_type_controller.cc',
         'browser/sync/glue/autofill_data_type_controller.h',
         'browser/sync/glue/autofill_profile_data_type_controller.cc',
         'browser/sync/glue/autofill_profile_data_type_controller.h',
         'browser/sync/glue/backend_data_type_configurer.cc',
         'browser/sync/glue/backend_data_type_configurer.h',
         'browser/sync/glue/bookmark_change_processor.cc',
         'browser/sync/glue/bookmark_change_processor.h',
         'browser/sync/glue/bookmark_data_type_controller.cc',
         'browser/sync/glue/bookmark_data_type_controller.h',
@@ skipping 1270 matching lines @@
             'package_name': 'org/chromium/chrome/browser/ui/toolbar',
             'template_deps': ['browser/ui/toolbar/toolbar_model_security_level_list.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }