MacViews: Change Widget context type to NativeWindow

ui/views/widget/widget_unittest.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 <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 2394 matching lines @@
       CreateParams(Widget::InitParams::TYPE_POPUP);
   parent_params.native_widget = new PlatformDesktopNativeWidget(&parent_widget);
   parent_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   parent_widget.Init(parent_params);
   parent_widget.Show();
 
   Widget child_widget;
   Widget::InitParams child_params =
       CreateParams(Widget::InitParams::TYPE_POPUP);
   child_params.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
-  child_params.context = parent_widget.GetNativeView();
+  child_params.context = parent_widget.GetNativeWindow();
   child_widget.Init(child_params);
   child_widget.AddObserver(&observer);
   child_widget.Show();
 
   parent_widget.CloseNow();
 }
 #endif  // !defined(OS_CHROMEOS)
 
 }  // namespace test
 }  // namespace views