Changes views_aura_mus_unittests to create DesktopNativeWidgetAura

ui/views/test/widget_test_mac.mm

 // Copyright 2014 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/test/widget_test.h"
 
 #include <Cocoa/Cocoa.h>
 
 #import "base/mac/scoped_nsobject.h"
 #import "base/mac/scoped_objc_class_swizzler.h"
 #include "base/macros.h"
 #import "ui/views/cocoa/bridged_native_widget.h"
 #include "ui/views/widget/native_widget_mac.h"
 #include "ui/views/widget/root_view.h"
 
 namespace views {
 namespace test {
 
 namespace {
 
 // The NSWindow last activated by SimulateNativeActivate(). It will have a
 // simulated deactivate on a subsequent call.
 NSWindow* g_simulated_active_window_ = nil;
 
 }  // namespace
 
 // static
-void WidgetTest::SimulateNativeDestroy(Widget* widget) {
-  // Retain the window while closing it, otherwise the window may lose its last
-  // owner before -[NSWindow close] completes (this offends AppKit). Usually
-  // this reference will exist on an event delivered to the runloop.
-  base::scoped_nsobject<NSWindow> window([widget->GetNativeWindow() retain]);
-  [window close];
-}
-
-// static
 void WidgetTest::SimulateNativeActivate(Widget* widget) {
   NSNotificationCenter* center = [NSNotificationCenter defaultCenter];
   if (g_simulated_active_window_) {
     [center postNotificationName:NSWindowDidResignKeyNotification
                           object:g_simulated_active_window_];
   }
 
   g_simulated_active_window_ = widget->GetNativeWindow();
   DCHECK(g_simulated_active_window_);
 
@@ skipping 42 matching lines @@
   return NativeWidgetMac::GetBridgeForNativeWindow(widget->GetNativeWindow());
 }
 
 // static
 bool WidgetTest::IsNativeWindowTransparent(gfx::NativeWindow window) {
   return ![window isOpaque];
 }
 
 }  // namespace test
 }  // namespace views