Implement deletion of storage per site.

chrome/browser/resources/settings/site_settings/site_list.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.
 
 /**
  * @fileoverview
  * 'settings-site-list' shows a list of Allowed and Blocked sites for a given
  * category.
  *
  * Example:
@@ skipping 12 matching lines @@
   properties: {
     /**
      * Preferences state.
      */
     prefs: {
       type: Object,
       notify: true,
     },
 
     /**
+     * The current active route.
+     */
+    currentRoute: {
+      type: Object,
+      notify: true,
+    },
+
+    /**
      * The origin that was selected by the user in the dropdown list.
      */
     selectedOrigin: {
       type: String,
       notify: true,
     },
 
     /**
      * Array of sites to display in the widget.
      */
@@ skipping 151 matching lines @@
         this.category != settings.ContentSettingsTypes.FULLSCREEN;
   },
 
   /**
    * A handler for selecting a site (by clicking on the origin).
    * @param {!{model: !{item: !{url: string}}}} event
    * @private
    */
   onOriginTap_: function(event) {
     this.selectedOrigin = event.model.item.url;
+    var categorySelected = this.computeCategoryTextId(this.category);
+    this.currentRoute = {
+      page: this.currentRoute.page,
+      section: 'privacy',
+      subpage: ['site-settings', 'site-settings-category-' +
+          categorySelected, 'site-details'],
+    };
   },
 
   /**
    * A handler for activating one of the menu action items.
    * @param {!{model: !{item: !{url: string}},
    *           target: !{selectedItems: !{textContent: string}}}} event
    * @private
    */
   onActionMenuIronSelect_: function(event) {
     var origin = event.model.item.url;
@@ skipping 62 matching lines @@
    * Returns the icon to use for a given site.
    * @param {string} url The url of the site to fetch the icon for.
    * @private
    */
   computeSiteIcon_: function(url) {
     // TODO(finnur): For now, we're returning a placeholder image for each site
     // but the actual favicon for each site will need to be returned.
     return 'communication:message';
   },
 });