Allow networkingPrivate to request configure UI

chrome/browser/resources/settings/internet_page/network_summary.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 a summary of network states
  * by type: Ethernet, WiFi, Cellular, WiMAX, and VPN.
  */
 (function() {
 
@@ skipping 190 matching lines @@
    * networkingPrivate.onNetworksChanged event callback.
    * @param {!Array<string>} networkIds The list of changed network GUIDs.
    * @private
    */
   onNetworksChangedEvent_: function(networkIds) {
     networkIds.forEach(function(id) {
       if (id in this.networkIds_) {
         chrome.networkingPrivate.getState(
             id,
             function(state) {
+              if (chrome.runtime.lastError) {
+                if (chrome.runtime.lastError != 'Error.NetworkUnavailable') {
+                  console.error('Unexpected networkingPrivate.getState error:',
+                                chrome.runtime.lastError);
+                }
+                return;
+              }
               // Async call, ensure id still exists.
               if (!this.networkIds_[id])
                 return;
               if (!state) {
                 this.networkIds_[id] = undefined;
                 return;
               }
               this.updateNetworkState_(state.Type, state);
             }.bind(this));
       }
     }, this);
   },
 
   /**
    * Handles UI requests to connect to a network.
    * TODO(stevenjb): Handle Cellular activation, etc.
    * @param {!CrOnc.NetworkStateProperties} state The network state.
    * @private
    */
   connectToNetwork_: function(state) {
-    chrome.networkingPrivate.startConnect(state.GUID);
+    chrome.networkingPrivate.startConnect(state.GUID, function() {
+      if (chrome.runtime.lastError &&
+          chrome.runtime.lastError != 'connecting') {
+        console.error('Unexpected networkingPrivate.startConnect error:',
+                      chrome.runtime.lastError);
+      }
+    });
   },
 
   /**
    * Requests the list of device states and network states from Chrome.
    * Updates deviceStates, networkStates, and networkStateLists once the
    * results are returned from Chrome.
    * @private
    */
   getNetworkLists_: function() {
     // First get the device states.
@@ skipping 92 matching lines @@
    *     matching |type|.
    * @private
    */
   updateNetworkState_: function(type, state) {
     this.set('networkStates.' + type, state);
     if (state)
       this.networkIds_[state.GUID] = true;
   },
 });
 })();