Eliminate ApiResourceEventNotifier.

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 49 matching lines @@
         'browser/extensions/active_tab_permission_granter.h',
         'browser/extensions/activity_log.cc',
         'browser/extensions/activity_log.h',
         'browser/extensions/admin_policy.cc',
         'browser/extensions/admin_policy.h',
         'browser/extensions/api/api_function.cc',
         'browser/extensions/api/api_function.h',
         'browser/extensions/api/api_resource.cc',
         'browser/extensions/api/api_resource.h',
         'browser/extensions/api/api_resource_manager.h',
-        'browser/extensions/api/api_resource_event_notifier.cc',
-        'browser/extensions/api/api_resource_event_notifier.h',
         'browser/extensions/api/alarms/alarm_manager.cc',
         'browser/extensions/api/alarms/alarm_manager.h',
         'browser/extensions/api/alarms/alarms_api.cc',
         'browser/extensions/api/alarms/alarms_api.h',
         'browser/extensions/api/app/app_api.cc',
         'browser/extensions/api/app/app_api.h',
         'browser/extensions/api/app_current_window_internal/app_current_window_internal_api.cc',
         'browser/extensions/api/app_current_window_internal/app_current_window_internal_api.h',
         'browser/extensions/api/app_runtime/app_runtime_api.cc',
         'browser/extensions/api/app_runtime/app_runtime_api.h',
@@ skipping 889 matching lines @@
           'msvs_settings': {
             'VCLinkerTool': {
               'SubSystem': '2',  # Set /SUBSYSTEM:WINDOWS
             },
           },
         },
       ],
     }, ],  # 'OS=="win"'
   ],  # 'conditions'
 }