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

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_INTERNET_OPTIONS_HANDLER2_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_INTERNET_OPTIONS_HANDLER2_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 77 matching lines @@
   void SetIPConfigCallback(const base::ListValue* args);
   void EnableWifiCallback(const base::ListValue* args);
   void DisableWifiCallback(const base::ListValue* args);
   void EnableCellularCallback(const base::ListValue* args);
   void DisableCellularCallback(const base::ListValue* args);
   void BuyDataPlanCallback(const base::ListValue* args);
   void SetApnCallback(const base::ListValue* args);
   void SetSimCardLockCallback(const base::ListValue* args);
   void ChangePinCallback(const base::ListValue* args);
   void ShareNetworkCallback(const base::ListValue* args);
-  void ShowMorePlanInfoCallback(const ListValue* args);
+  void ShowMorePlanInfoCallback(const base::ListValue* args);
+  void RefreshNetworksCallback(const base::ListValue* args);
 
   /**
    * Toggle airplane mode.  Disables all wireless networks when activated.
    * Celluar and Bluetooth connections remain disabled while active, but
    * Wi-Fi can be reactivated. |args| is unused.
    */
   void ToggleAirplaneModeCallback(const ListValue* args);
 
   // Populates the ui with the details of the given device path. This forces
   // an overlay to be displayed in the UI.
@@ skipping 43 matching lines @@
   chromeos::NetworkLibrary* cros_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(InternetOptionsHandler);
 };
 
 }  // namespace options2
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_INTERNET_OPTIONS_HANDLER2_H_