MD Settings: Move browserProxies outside of Polymer "properties".

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

 // Copyright 2015 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.
 
 (function() {
   'use strict';
 
 /**
  * 'site-data-details-subpage' Display cookie contents.
  */
 Polymer({
   is: 'site-data-details-subpage',
 
   behaviors: [settings.RouteObserverBehavior, WebUIListenerBehavior],
 
   properties: {
     /**
-     * The browser proxy used to retrieve and change cookies.
-     * @type {settings.SiteSettingsPrefsBrowserProxy}
-     */
-    browserProxy: Object,
-
-    /**
      * The cookie entries for the given site.
      * @type {!Array<!CookieDetails>}
      * @private
      */
     entries_: Array,
 
     /** Set the page title on the settings-subpage parent. */
     pageTitle: {
       type: String,
       notify: true,
     },
 
     /** @private */
     site_: String,
 
     /** @private */
     siteId_: String,
   },
 
+  /**
+   * The browser proxy used to retrieve and change cookies.
+   * @private {?settings.SiteSettingsPrefsBrowserProxy}
+   */
+  browserProxy_: null,
+
   /** @override */
   ready: function() {
-    this.browserProxy =
+    this.browserProxy_ =
         settings.SiteSettingsPrefsBrowserProxyImpl.getInstance();
 
     this.addWebUIListener('onTreeItemRemoved',
                           this.getCookieDetails_.bind(this));
   },
 
   /**
    * settings.RouteObserverBehavior
    * @param {!settings.Route} route
    * @protected
    */
   currentRouteChanged: function(route) {
     if (settings.getCurrentRoute() != settings.Route.SITE_SETTINGS_DATA_DETAILS)
       return;
     var site = settings.getQueryParameters().get('site');
     if (!site || site == this.site_)
       return;
     this.site_ = site;
     this.pageTitle = loadTimeData.getStringF('siteSettingsCookieSubpage', site);
     this.getCookieDetails_();
   },
 
   /** @private */
   getCookieDetails_: function() {
     if (!this.site_)
       return;
-    this.browserProxy.getCookieDetails(this.site_).then(
+    this.browserProxy_.getCookieDetails(this.site_).then(
         this.onCookiesLoaded_.bind(this),
         this.onCookiesLoadFailed_.bind(this));
   },
 
   /**
    * @return {!Array<!CookieDataForDisplay>}
    * @private
    */
   getCookieNodes_: function(node) {
     return getCookieData(node);
@@ skipping 34 matching lines @@
       return item.title;
     return getCookieDataCategoryText(item.type, item.totalUsage);
   },
 
   /**
    * A handler for when the user opts to remove a single cookie.
    * @param {!Event} event
    * @private
    */
   onRemove_: function(event) {
-    this.browserProxy.removeCookie(
+    this.browserProxy_.removeCookie(
         /** @type {!CookieDetails} */(event.currentTarget.dataset).idPath);
   },
 
   /**
    * A handler for when the user opts to remove all cookies.
    */
   removeAll: function() {
-    this.browserProxy.removeCookie(this.siteId_);
+    this.browserProxy_.removeCookie(this.siteId_);
   },
 });
 
 })();