Cleaning Up Extensions When Local Content Removed

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 266 matching lines @@
         'browser/extensions/extension_event_router_forwarder.cc',
         'browser/extensions/extension_event_router_forwarder.h',
         'browser/extensions/extension_function.cc',
         'browser/extensions/extension_function.h',
         'browser/extensions/extension_function_dispatcher.cc',
         'browser/extensions/extension_function_dispatcher.h',
         'browser/extensions/extension_function_registry.cc',
         'browser/extensions/extension_function_registry.h',
         'browser/extensions/extension_function_util.cc',
         'browser/extensions/extension_function_util.h',
+        'browser/extensions/extension_garbage_collector.cc',
+        'browser/extensions/extension_garbage_collector.h',
         'browser/extensions/extension_global_error.cc',
         'browser/extensions/extension_global_error.h',
         'browser/extensions/extension_global_error_badge.cc',
         'browser/extensions/extension_global_error_badge.h',
         'browser/extensions/extension_host.cc',
         'browser/extensions/extension_host.h',
         'browser/extensions/extension_host_mac.h',
         'browser/extensions/extension_host_mac.mm',
         'browser/extensions/extension_icon_manager.cc',
         'browser/extensions/extension_icon_manager.h',
@@ skipping 384 matching lines @@
             'browser/extensions/api/usb/usb_api.h',
             'browser/extensions/api/usb/usb_device_resource.cc',
             'browser/extensions/api/usb/usb_device_resource.h',
           ],
         }],
       ],
     },
   ],
 }