Revert 132856 - Aura/ash split: Remove hacks and get chrome linking without ash.

ui/views/widget/native_widget_helper_aura.h

-// 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.
-
-#ifndef UI_VIEWS_WIDGET_NATIVE_WIDGET_HELPER_AURA_H_
-#define UI_VIEWS_WIDGET_NATIVE_WIDGET_HELPER_AURA_H_
-#pragma once
-
-#include "ui/views/views_export.h"
-#include "ui/views/widget/widget.h"
-
-namespace views {
-
-// A special delegate that encapsulates all logic for use of NativeWidgetAura
-// on the desktop.
-class VIEWS_EXPORT NativeWidgetHelperAura {
- public:
-  virtual ~NativeWidgetHelperAura() {}
-
-  // Called at the start of InitNativeWidget; determines whether we should
-  // set up a root_window_ for this widget.
-  virtual void PreInitialize(const Widget::InitParams& params) = 0;
-
-  // Passes through a message to show the RootWindow, if it exists.
-  virtual void ShowRootWindow() = 0;
-
-  // If we own a RootWindow, return it. Otherwise NULL.
-  virtual aura::RootWindow* GetRootWindow() = 0;
-
-  // If this NativeWidgetAura has its own RootWindow, sets the position at the
-  // |root_window_|, and returns modified bounds to set the origin to
-  // zero. Otherwise, pass through in_bounds.
-  virtual gfx::Rect ModifyAndSetBounds(gfx::Rect bounds) = 0;
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_HELPER_AURA_H_