Refactor the various ways to control what users can do to extensions.

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 384 matching lines @@
         'browser/extensions/file_reader.h',
         'browser/extensions/image_loading_tracker.cc',
         'browser/extensions/image_loading_tracker.h',
         'browser/extensions/installed_loader.cc',
         'browser/extensions/installed_loader.h',
         'browser/extensions/key_identifier_conversion_views.cc',
         'browser/extensions/key_identifier_conversion_views.h',
         'browser/extensions/lazy_background_task_queue.cc',
         'browser/extensions/lazy_background_task_queue.h',
         'browser/extensions/location_bar_controller.h',
+        'browser/extensions/management_policy.cc',
+        'browser/extensions/management_policy.h',
         'browser/extensions/pack_extension_job.cc',
         'browser/extensions/pack_extension_job.h',
         'browser/extensions/page_action_controller.cc',
         'browser/extensions/page_action_controller.h',
         'browser/extensions/platform_app_launcher.cc',
         'browser/extensions/platform_app_launcher.h',
         'browser/extensions/pending_extension_info.cc',
         'browser/extensions/pending_extension_info.h',
         'browser/extensions/pending_extension_manager.cc',
         'browser/extensions/pending_extension_manager.h',
@@ skipping 244 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',
           ],
         }],
       ],
     },
   ],
 }