This is the first pass at making GetIPConfigs asynchronous.

chrome/browser/chromeos/status/network_menu.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/chromeos/status/network_menu.h"
 
 #include <algorithm>
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
@@ skipping 846 matching lines @@
     if (!ip_address.empty()) {
       address_items.push_back(MenuItem(ui::MenuModel::TYPE_COMMAND,
           ASCIIToUTF16(cros->IPAddress()), gfx::ImageSkia(), std::string(),
                        FLAG_DISABLED));
     }
   }
 
   const NetworkDevice* ether = cros->FindEthernetDevice();
   if (ether) {
     std::string hardware_address;
-    cros->GetIPConfigs(ether->device_path(), &hardware_address,
+    cros->GetIPConfigsAndBlock(ether->device_path(), &hardware_address,
         NetworkLibrary::FORMAT_COLON_SEPARATED_HEX);
     if (!hardware_address.empty()) {
       std::string label = l10n_util::GetStringUTF8(
           IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET) + " " + hardware_address;
       address_items.push_back(MenuItem(ui::MenuModel::TYPE_COMMAND,
           UTF8ToUTF16(label), gfx::ImageSkia(), std::string(), FLAG_DISABLED));
     }
   }
 
   if (cros->wifi_enabled()) {
     const NetworkDevice* wifi = cros->FindWifiDevice();
     if (wifi) {
       std::string hardware_address;
-      cros->GetIPConfigs(wifi->device_path(),
+      cros->GetIPConfigsAndBlock(wifi->device_path(),
           &hardware_address, NetworkLibrary::FORMAT_COLON_SEPARATED_HEX);
       if (!hardware_address.empty()) {
         std::string label = l10n_util::GetStringUTF8(
             IDS_STATUSBAR_NETWORK_DEVICE_WIFI) + " " + hardware_address;
         address_items.push_back(MenuItem(ui::MenuModel::TYPE_COMMAND,
             UTF8ToUTF16(label), gfx::ImageSkia(), std::string(),
             FLAG_DISABLED));
       }
     }
   }
@@ skipping 212 matching lines @@
 
 void NetworkMenu::ShowOtherVPN() {
   NetworkConfigView::ShowForType(TYPE_VPN, delegate_->GetNativeWindow());
 }
 
 void NetworkMenu::ShowOtherCellular() {
   ChooseMobileNetworkDialog::ShowDialog(delegate_->GetNativeWindow());
 }
 
 }  // namespace chromeos