This is the first pass at making GetIPConfigs asynchronous.

chrome/browser/ui/webui/options/chromeos/internet_options_handler.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_OPTIONS_CHROMEOS_INTERNET_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_INTERNET_OPTIONS_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/chromeos/cros/network_constants.h"
+#include "chrome/browser/chromeos/cros/network_ip_config.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/cros/network_ui_data.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/gfx/native_widget_types.h"
 
 class Browser;
 
 namespace gfx {
 class ImageSkia;
@@ skipping 97 matching lines @@
    * 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.
   void PopulateDictionaryDetails(const chromeos::Network* network);
   // This is the second half of PopulateDictionaryDetails after the asynchronous
   // request for Shill's service properties.
   void PopulateDictionaryDetailsCallback(
-      const chromeos::Network* network,
       const std::string& service_path,
       const base::DictionaryValue* shill_properties);
+  void PopulateIPConfigsCallback(
+      const std::string& service_path,
+      base::DictionaryValue* shill_properties,
+      const chromeos::NetworkIPConfigVector& ipconfigs,
+      const std::string& hardware_address);
   void PopulateWifiDetails(const chromeos::WifiNetwork* wifi,
                            base::DictionaryValue* dictionary);
   void PopulateWimaxDetails(const chromeos::WimaxNetwork* wimax,
                             base::DictionaryValue* dictionary);
   void PopulateCellularDetails(const chromeos::CellularNetwork* cellular,
                                base::DictionaryValue* dictionary);
 
   // Converts CellularDataPlan structure into dictionary for JS. Formats plan
   // settings into human readable texts.
   base::DictionaryValue* CellularDataPlanToDictionary(
@@ skipping 38 matching lines @@
   // without worrying that they will actually try to happen after the lifetime
   // of this object.
   base::WeakPtrFactory<InternetOptionsHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InternetOptionsHandler);
 };
 
 }  // namespace options
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_INTERNET_OPTIONS_HANDLER_H_