[MD setting] tool tips on controlledBy site exceptions

chrome/browser/resources/settings/site_settings/site_settings_prefs_browser_proxy.js

 // Copyright 2016 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.
 
 /**
  * @fileoverview A helper object used from the "Site Settings" section to
  * interact with the content settings prefs.
  */
 
 /**
@@ skipping 23 matching lines @@
 /**
  * The site exception after it has been converted/filtered for UI use.
  * See also: RawSiteException.
  * @typedef {{category: !settings.ContentSettingsTypes,
  *            embeddingOrigin: string,
  *            embeddingDisplayName: string,
  *            incognito: boolean,
  *            origin: string,
  *            displayName: string,
  *            setting: string,
- *            source: string}}
+ *            enforcement: string,
+ *            controlledBy: string}}
  */
 var SiteException;
 
 /**
  * @typedef {{location: string,
  *            notifications: string}}
  */
 var CategoryDefaultsPref;
 
 /**
  * @typedef {{setting: string,
  *            source: ContentSettingProvider}}
  */
 var DefaultContentSetting;
 
 /**
- * @typedef {{location: Array<SiteException>,
- *            notifications: Array<SiteException>}}
- */
-var ExceptionListPref;
-
-/**
- * @typedef {{defaults: CategoryDefaultsPref,
- *            exceptions: ExceptionListPref}}
- */
-var SiteSettingsPref;
-
-/**
  * @typedef {{name: string,
  *            id: string}}
  */
 var MediaPickerEntry;
 
 /**
  * @typedef {{protocol: string,
  *            spec: string}}
  */
  var ProtocolHandlerEntry;
@@ skipping 349 matching lines @@
     removeZoomLevel: function(host) {
       chrome.send('removeZoomLevel', [host]);
     },
   };
 
   return {
     SiteSettingsPrefsBrowserProxy: SiteSettingsPrefsBrowserProxy,
     SiteSettingsPrefsBrowserProxyImpl: SiteSettingsPrefsBrowserProxyImpl,
   };
 });