Move app.currentWindowInternal API implementation to extensions

chrome/chrome_browser_extensions.gypi

 # Copyright (c) 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.
 
 {
   'variables': {
     'chrome_browser_extensions_chromeos_sources': [
       'browser/extensions/api/diagnostics/diagnostics_api.cc',
       'browser/extensions/api/diagnostics/diagnostics_api.h',
       'browser/extensions/api/diagnostics/diagnostics_api_chromeos.cc',
@@ skipping 84 matching lines @@
       'browser/extensions/activity_log/uma_policy.cc',
       'browser/extensions/activity_log/uma_policy.h',
       'browser/extensions/activity_log/web_request_constants.cc',
       'browser/extensions/activity_log/web_request_constants.h',
       'browser/extensions/api/activity_log_private/activity_log_private_api.cc',
       'browser/extensions/api/activity_log_private/activity_log_private_api.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_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/audio/audio_api.cc',
       'browser/extensions/api/audio/audio_api.h',
       'browser/extensions/api/audio/audio_service.h',
       'browser/extensions/api/audio/audio_service_chromeos.cc',
       'browser/extensions/api/audio/audio_service_linux.cc',
       'browser/extensions/api/automation_internal/automation_action_adapter.h',
       'browser/extensions/api/automation_internal/automation_internal_api.cc',
       'browser/extensions/api/automation_internal/automation_internal_api.h',
       'browser/extensions/api/automation_internal/automation_util.cc',
       'browser/extensions/api/automation_internal/automation_util.h',
@@ skipping 1004 matching lines @@
           ],
         }, {  # use_brlapi==0
           'sources': [
             'browser/extensions/api/braille_display_private/braille_controller_stub.cc',
           ],
         }],
       ],
     },
   ],
 }