MD-Settings: Add a11y label for network summary items.

chrome/browser/resources/settings/internet_page/network_summary_item.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 Polymer element for displaying the network state for a specific
  * type and a list of networks for that type.
  */
 
 /** @typedef {chrome.networkingPrivate.DeviceStateProperties} */
@@ skipping 13 matching lines @@
       type: Object,
       observer: 'deviceStateChanged_',
     },
 
     /**
      * Network state for the active network.
      * @type {!CrOnc.NetworkStateProperties|undefined}
      */
     activeNetworkState: Object,
 
+    /** String for a11y purposes. */
+    itemName: String,
+
     /**
      * List of all network state data for the network type.
      * @type {!Array<!CrOnc.NetworkStateProperties>}
      */
     networkStateList: {
       type: Array,
       value: function() {
         return [];
       },
     },
@@ skipping 268 matching lines @@
    */
   onDeviceEnabledTap_: function(event) {
     var deviceIsEnabled = this.deviceIsEnabled_(this.deviceState);
     var type = this.deviceState ? this.deviceState.Type : '';
     this.fire(
         'device-enabled-toggled', {enabled: !deviceIsEnabled, type: type});
     // Make sure this does not propagate to onDetailsTap_.
     event.stopPropagation();
   },
 });