Allow the Views Delegate to provide the native widget.

ui/views/examples/examples_window_with_content.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 "ui/views/examples/examples_window_with_content.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 193 matching lines @@
 
 void ShowExamplesWindowWithContent(Operation operation,
                                    content::BrowserContext* browser_context) {
   if (ExamplesWindowContents::instance()) {
     ExamplesWindowContents::instance()->GetWidget()->Activate();
   } else {
     Widget* widget = new Widget;
     Widget::InitParams params;
     params.delegate = new ExamplesWindowContents(operation, browser_context);
     params.bounds = gfx::Rect(0, 0, 850, 300);
-#if defined(USE_AURA) && !defined(OS_CHROMEOS)
-    if (CommandLine::ForCurrentProcess()->HasSwitch("win-aura"))
-      params.native_widget = new DesktopNativeWidgetAura(widget);
-#endif
     widget->Init(params);
     widget->Show();
   }
 }
 
 void LogStatus(const std::string& string) {
   ExamplesWindowContents::instance()->SetStatus(string);
 }
 
 }  // namespace examples
 }  // namespace views