Elim parent_window parameter from network_connect

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

Index: chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
index 8c8a8066102e4098acf27f25fcd2f9da57f4f3f3..86fdcca6fb5d7dddddae906ee31451c1a1543c32 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
@@ -746,15 +746,13 @@ void SystemTrayDelegateChromeOS::ActivateIMEProperty(const std::string& key) {
 }
 
 void SystemTrayDelegateChromeOS::ShowNetworkConfigure(
-    const std::string& network_id,
-    gfx::NativeWindow parent_window) {
-  NetworkConfigView::Show(network_id, parent_window);
+    const std::string& network_id) {
+  NetworkConfigView::Show(network_id, GetNativeWindow());
 }
 
 bool SystemTrayDelegateChromeOS::EnrollNetwork(
-    const std::string& network_id,
-    gfx::NativeWindow parent_window) {
-  return enrollment::CreateDialog(network_id, parent_window);
+    const std::string& network_id) {
+  return enrollment::CreateDialog(network_id, GetNativeWindow());
 }
 
 void SystemTrayDelegateChromeOS::ManageBluetoothDevices() {