mash: Place views Wi-Fi network config dialogs in correct window parent

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 "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 #include "ui/gfx/native_widget_types.h"
 
 class Browser;
 class PrefService;
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace views {
 class WidgetDelegate;
+struct WidgetParent;
 }
 
 namespace chromeos {
 namespace options {
 
 // ChromeOS internet options page UI handler.
 class InternetOptionsHandler : public ::options::OptionsPageUIHandler {
  public:
   InternetOptionsHandler();
   ~InternetOptionsHandler() override;
 
  private:
   // OptionsPageUIHandler
   void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
 
   // WebUIMessageHandler (from OptionsPageUIHandler)
   void RegisterMessages() override;
 
   // Callbacks to set network state properties.
   void ShowMorePlanInfoCallback(const base::ListValue* args);
   void SimOperationCallback(const base::ListValue* args);
 
-  // Gets the native window for hosting dialogs, etc.
+  // Deprecated: Use GetWidgetParent() instead.
   gfx::NativeWindow GetNativeWindow() const;
 
+  // Returns a parent for hosting dialogs.
+  views::WidgetParent GetWidgetParent() const;
+
   // Gets the user PrefService associated with the WebUI.
   const PrefService* GetPrefs() const;
 
   // Additional callbacks for managing networks.
   void AddVPNConnection(const base::ListValue* args);
   void AddNonVPNConnection(const base::ListValue* args);
   void ConfigureNetwork(const base::ListValue* args);
 
   // Weak pointer factory so we can start connections at a later time
   // 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
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_INTERNET_OPTIONS_HANDLER_H_