Changes views_aura_mus_unittests to create DesktopNativeWidgetAura

ui/views/test/native_widget_factory.h

 // Copyright 2016 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 UI_VIEWS_TEST_NATIVE_WIDGET_FACTORY_H_
 #define UI_VIEWS_TEST_NATIVE_WIDGET_FACTORY_H_
 
 #include <stdint.h>
 
 #include "ui/views/widget/widget.h"
 
 namespace views {
 
 class NativeWidget;
-class Widget;
 
 namespace test {
 
 // Values supplied to |behavior|.
 // NativeWidget implementation is not customized in anyway.
 const uint32_t kDefault = 0u;
 // Indicates capture should be mocked out and not interact with the system.
 const uint32_t kStubCapture = 1 << 0;
 
 // Creates the appropriate platform specific NativeWidget implementation.
@@ skipping 11 matching lines @@
 // true from the destructor of the NativeWidget.
 NativeWidget* CreatePlatformDesktopNativeWidgetImpl(
     const Widget::InitParams& init_params,
     Widget* widget,
     bool* destroyed);
 
 }  // namespace test
 }  // namespace views
 
 #endif  // UI_VIEWS_TEST_NATIVE_WIDGET_FACTORY_H_