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_