[MD settings] content settings add site button; layout fixes

chrome/browser/resources/settings/site_settings/site_data.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
  * 'site-data' handles showing the local storage summary list for all sites.
  */
 
 Polymer({
@@ skipping 53 matching lines @@
    */
   reloadCookies_: function() {
     this.browserProxy.reloadCookies().then(function(list) {
       this.loadChildren_(list);
     }.bind(this));
   },
 
   /**
    * A filter function for the list.
    * @param {!CookieDataSummaryItem} item The item to possibly filter out.
-   * @return {!boolean} Whether to show the item.
+   * @return {boolean} Whether to show the item.
    * @private
    */
   showItem_: function(item) {
     if (this.filterString_.length == 0)
       return true;
     return item.site.indexOf(this.filterString_) > -1;
   },
 
   /** @private */
   onSearchChanged_: function(e) {
     this.filterString_ = e.detail;
     this.$.list.render();
   },
 
   /** @private */
   isRemoveButtonVisible_: function(sites, renderedItemCount) {
     return renderedItemCount != 0;
   },
 
   /**
    * Returns the string to use for the Remove label.
-   * @return {!string} filterString The current filter string.
+   * @return {string} filterString The current filter string.
    * @private
    */
   computeRemoveLabel_: function(filterString) {
     if (filterString.length == 0)
       return loadTimeData.getString('siteSettingsCookieRemoveAll');
     return loadTimeData.getString('siteSettingsCookieRemoveAllShown');
   },
 
   /**
    * Called when the cookie list is ready to be shown.
@@ skipping 43 matching lines @@
     this.treeNodes_.removeByParentId(args.id, args.start, args.count);
     this.sites = this.treeNodes_.getSummaryList();
   },
 
   /** @private */
   onCloseDialog_: function() {
     this.$.confirmDeleteDialog.close();
   },
 
   /**
-   * Shows a dialog to confirm the deletion of a site.
-   * @param {!{model: !{item: CookieDataSummaryItem}}} event
-   * @private
-   */
-  onConfirmDeleteSite_: function(event) {
-    this.idToDelete_ = event.model.item.id;
-    this.confirmationDeleteMsg_ = loadTimeData.getStringF(
-        'siteSettingsCookieRemoveConfirmation', event.model.item.site);
-    this.$.confirmDeleteDialog.showModal();
-  },
-
-  /**
    * Shows a dialog to confirm the deletion of multiple sites.
    * @private
    */
   onConfirmDeleteMultipleSites_: function() {
     this.idToDelete_ = '';  // Delete all.
     this.confirmationDeleteMsg_ = loadTimeData.getString(
         'siteSettingsCookieRemoveMultipleConfirmation');
     this.$.confirmDeleteDialog.showModal();
   },
 
@@ skipping 45 matching lines @@
     this.shadowRoot.appendChild(dialog);
 
     var node = this.treeNodes_.fetchNodeById(event.model.item.id, false);
     dialog.open(node);
 
     dialog.addEventListener('close', function(event) {
       dialog.remove();
     });
   },
 });