Site Settings Desktop: Show the type of cookie in dropdown (instead of url).

chrome/browser/resources/settings/site_settings/site_data_details_dialog.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-details-dialog' provides a dialog to show details of site data
  * stored by a given site.
  */
 Polymer({
@@ skipping 139 matching lines @@
     // Store the index of what was selected so we can re-select the next value
     // when things get deleted.
     for (var i = 0; i < this.entries_.length; ++i) {
       if (this.entries_[i].data.id == event.detail.selected) {
         this.lastSelectedIndex_ = i;
         break;
       }
     }
   },
 
+  getEntryDescription: function(item) {
+    // Frequently there are multiple cookies per site. To avoid showing a list
+    // of '1 cookie', '1 cookie', ... etc, it is better to show the title of the
+    // cookie to differentiate them.
+    if (item.data.type == 'cookie')
+      return item.title;
+
+    return getCookieDataCategoryText(item.data.type, item.data.totalUsage);
+  },
+
   /**
    * A handler for when the user opts to remove a single cookie.
    * @private
    */
   onRemove_: function(event) {
     this.browserProxy.removeCookie(this.nodePath_(
         this.site_, this.site_.data_.id, this.$.picker.selected));
   },
 
   /**
    * A handler for when the user opts to remove all cookies.
    * @private
    */
   onRemoveAll_: function(event) {
     cr.removeWebUIListener(this.listener_);
     this.browserProxy.removeCookie(this.site_.data_.id);
     this.$.dialog.close();
   },
 
   /** @private */
   onCancelTap_: function() {
     this.$.dialog.cancel();
   },
 });