[cros] Postpone call to GetNativeWindow() in NetworkDropdown till it's really needed.

chrome/browser/ui/webui/chromeos/login/network_dropdown.h

 // Copyright (c) 2011 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_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_
 
 #include "base/basictypes.h"
 #include "chrome/browser/chromeos/status/network_menu.h"
 #include "chrome/browser/chromeos/status/network_menu_icon.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "ui/gfx/native_widget_types.h"
 #include "chrome/browser/chromeos/login/login_html_dialog.h"
 
 namespace chromeos {
 
 class NetworkMenuWebUI;
 
 // Class which implements network dropdown menu using WebUI.
 class NetworkDropdown : public NetworkMenu::Delegate,
                         public NetworkMenuIcon::Delegate,
                         NetworkLibrary::NetworkManagerObserver,
                         public LoginHtmlDialog::Delegate {
  public:
-  NetworkDropdown(WebUI* web_ui, gfx::NativeWindow parent_window, bool oobe);
+  NetworkDropdown(WebUI* web_ui, bool oobe);
   virtual ~NetworkDropdown();
 
   // Sets last active network type. Used to show correct disconnected icon.
   void SetLastNetworkType(ConnectionType last_network_type);
 
   // This method should be called, when item with the given id is chosen.
   void OnItemChosen(int id);
 
   // NetworkMenu::Delegate implementation:
   virtual views::MenuButton* GetMenuButton() OVERRIDE;
@@ skipping 12 matching lines @@
   // Should be called on language change.
   void Refresh();
 
  protected:
   // LoginHtmlDialog::Delegate implementation:
   virtual void OnDialogClosed() OVERRIDE;
 
  private:
   void SetNetworkIconAndText();
 
-  gfx::NativeWindow parent_window_;
-
   // The Network menu.
   scoped_ptr<NetworkMenuWebUI> network_menu_;
   // The Network menu icon.
   scoped_ptr<NetworkMenuIcon> network_icon_;
   // Proxy settings dialog that can be invoked from network menu.
   scoped_ptr<LoginHtmlDialog> proxy_settings_dialog_;
 
   WebUI* web_ui_;
 
   // Is the dropdown shown on one of the OOBE screens.
   bool oobe_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkDropdown);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_NETWORK_DROPDOWN_H_