Adds a basic NativeWindowViews.

views/widget/native_widget_views.h

 // Copyright (c) 2011 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 VIEWS_WIDGET_NATIVE_WIDGET_VIEWS_H_
 #define VIEWS_WIDGET_NATIVE_WIDGET_VIEWS_H_
 #pragma once
 
 #include "base/message_loop.h"
 #include "views/widget/native_widget.h"
 
 namespace views {
 namespace internal {
 class NativeWidgetView;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetViews
 //
 //  A NativeWidget implementation that uses another View as its native widget.
 //
 class NativeWidgetViews : public NativeWidget {
  public:
   NativeWidgetViews(View* host, internal::NativeWidgetDelegate* delegate);
   virtual ~NativeWidgetViews();
 
   // TODO(beng): remove.
   View* GetView();
+  const View* GetView() const;
 
   internal::NativeWidgetDelegate* delegate() { return delegate_; }
 
  private:
   // Overridden from NativeWidget:
   virtual void InitNativeWidget(const Widget::InitParams& params) OVERRIDE;
   virtual Widget* GetWidget() OVERRIDE;
   virtual const Widget* GetWidget() const OVERRIDE;
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
@@ skipping 48 matching lines @@
   // The following factory is used for calls to close the NativeWidgetViews
   // instance.
   ScopedRunnableMethodFactory<NativeWidgetViews> close_widget_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetViews);
 };
 
 }
 
 #endif  // VIEWS_WIDGET_NATIVE_WIDGET_VIEWS_H_