MD Settings: Internet: Use custom a11y labels for network toggle buttons

chrome/browser/resources/settings/internet_page/network_summary_item.js

Index: chrome/browser/resources/settings/internet_page/network_summary_item.js
diff --git a/chrome/browser/resources/settings/internet_page/network_summary_item.js b/chrome/browser/resources/settings/internet_page/network_summary_item.js
index 796ab656a1ebf777a417f3fa749a59f470b65cd1..a478660a30d6332ffcbc2e1fa4aedf86487afe78 100644
--- a/chrome/browser/resources/settings/internet_page/network_summary_item.js
+++ b/chrome/browser/resources/settings/internet_page/network_summary_item.js
@@ -13,7 +13,7 @@ var DeviceStateProperties;
 Polymer({
   is: 'network-summary-item',
 
-  behaviors: [Polymer.IronA11yKeysBehavior],
+  behaviors: [Polymer.IronA11yKeysBehavior, I18nBehavior],
 
   properties: {
     /**
@@ -31,9 +31,6 @@ Polymer({
      */
     activeNetworkState: Object,
 
-    /** String for a11y purposes. */
-    itemName: String,
-
     /**
      * List of all network state data for the network type.
      * @type {!Array<!CrOnc.NetworkStateProperties>}
@@ -238,6 +235,26 @@ Polymer({
   },
 
   /**
+   * @param {!DeviceStateProperties} deviceState
+   * @return {string}
+   * @private
+   */
+  getToggleA11yString_: function(deviceState) {
+    if (!this.enableToggleIsVisible_(deviceState))
+      return '';
+    switch (deviceState.Type) {
+      case CrOnc.Type.CELLULAR:
+        return this.i18n('internetToggleMobileA11yLabel');
+      case CrOnc.Type.WI_FI:
+        return this.i18n('internetToggleWiFiA11yLabel');
+      case CrOnc.Type.WI_MAX:
+        return this.i18n('internetToggleWiMAXA11yLabel');
+    }
+    assertNotReached();
+    return '';
+  },
+
+  /**
    * @return {boolean} Whether or not to show the UI to expand the list.
    * @private
    */