Preference provider implementation backed by JSON files in a directory.

chrome/chrome_browser.gypi

 # Copyright (c) 2010 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': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 839 matching lines @@
         'browser/cocoa/web_contents_drag_source.h',
         'browser/cocoa/web_contents_drag_source.mm',
         'browser/cocoa/web_drag_source.h',
         'browser/cocoa/web_drag_source.mm',
         'browser/cocoa/web_drop_target.h',
         'browser/cocoa/web_drop_target.mm',
         'browser/cocoa/window_size_autosaver.h',
         'browser/cocoa/window_size_autosaver.mm',
         'browser/command_updater.cc',
         'browser/command_updater.h',
+        'browser/config_dir_policy_provider.cc',
+        'browser/config_dir_policy_provider.h',
         'browser/content_exceptions_table_model.cc',
         'browser/content_exceptions_table_model.h',
         'browser/content_setting_bubble_model.cc',
         'browser/content_setting_bubble_model.h',
         'browser/content_setting_combo_model.cc',
         'browser/content_setting_combo_model.h',
         'browser/content_setting_image_model.cc',
         'browser/content_setting_image_model.h',
         'browser/cookie_modal_dialog.cc',
         'browser/cookie_modal_dialog.h',
         'browser/cookie_modal_dialog_mac.mm',
         'browser/cookie_modal_dialog_gtk.cc',
         'browser/cookie_modal_dialog_views.cc',
         'browser/cookie_prompt_modal_dialog_delegate.h',
         'browser/cookies_tree_model.cc',
         'browser/cookies_tree_model.h',
         'browser/configuration_policy_builder.h',
         'browser/configuration_policy_pref_store.cc',
         'browser/configuration_policy_pref_store.h',
         'browser/configuration_policy_provider.h',
+        'browser/configuration_policy_provider.cc',
         'browser/cross_site_request_manager.cc',
         'browser/cross_site_request_manager.h',
         'browser/custom_home_pages_table_model.cc',
         'browser/custom_home_pages_table_model.h',
         'browser/defaults.cc',
         'browser/defaults.h',
         'browser/diagnostics/diagnostics_main.cc',
         'browser/diagnostics/diagnostics_main.h',
         'browser/diagnostics/diagnostics_model.h',
         'browser/diagnostics/diagnostics_model.cc',
@@ skipping 2604 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: