Force a rescan when opening the Wifi menu on the settings page.

chrome/browser/ui/webui/options2/chromeos/internet_options_handler2.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/ui/webui/options2/chromeos/internet_options_handler2.h"
 
 #include <ctype.h>
 
 #include <map>
 #include <string>
@@ skipping 415 matching lines @@
 
   FillNetworkInfo(localized_strings);
 }
 
 void InternetOptionsHandler::InitializePage() {
   cros_->RequestNetworkScan();
 }
 
 void InternetOptionsHandler::RegisterMessages() {
   // Setup handlers specific to this panel.
+  web_ui()->RegisterMessageCallback("refreshNetworks",
+      base::Bind(&InternetOptionsHandler::RefreshNetworksCallback,
+                 base::Unretained(this)));
   web_ui()->RegisterMessageCallback("buttonClickCallback",
       base::Bind(&InternetOptionsHandler::ButtonClickCallback,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("refreshCellularPlan",
       base::Bind(&InternetOptionsHandler::RefreshCellularPlanCallback,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("setPreferNetwork",
       base::Bind(&InternetOptionsHandler::SetPreferNetworkCallback,
                  base::Unretained(this)));
   web_ui()->RegisterMessageCallback("setAutoConnect",
@@ skipping 123 matching lines @@
   else
     mode = chromeos::SimDialogDelegate::SIM_DIALOG_SET_LOCK_OFF;
   chromeos::SimDialogDelegate::ShowDialog(GetNativeWindow(), mode);
 }
 
 void InternetOptionsHandler::ChangePinCallback(const ListValue* args) {
   chromeos::SimDialogDelegate::ShowDialog(GetNativeWindow(),
       chromeos::SimDialogDelegate::SIM_DIALOG_CHANGE_PIN);
 }
 
+void InternetOptionsHandler::RefreshNetworksCallback(const ListValue* args) {
+  cros_->RequestNetworkScan();
+}
+
 void InternetOptionsHandler::RefreshNetworkData() {
   DictionaryValue dictionary;
   FillNetworkInfo(&dictionary);
   web_ui()->CallJavascriptFunction(
       "options.network.NetworkList.refreshNetworkData", dictionary);
 }
 
 void InternetOptionsHandler::OnNetworkManagerChanged(
     chromeos::NetworkLibrary* cros) {
   if (!web_ui())
@@ skipping 691 matching lines @@
   if (default_value)
     value_dict->Set("default", default_value->DeepCopy());
   if (ui_data.managed())
     value_dict->SetString("controlledBy", "policy");
   else if (ui_data.recommended())
     value_dict->SetString("controlledBy", "recommended");
   settings->Set(key, value_dict);
 }
 
 }  // namespace options2