Reorder the NativeViews attached to a view via kViewHostKey according to the position of the view

ui/views/widget/native_widget_private.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_PRIVATE_H_
 #define UI_VIEWS_WIDGET_NATIVE_WIDGET_PRIVATE_H_
 
 #include "base/string16.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/gfx/native_widget_types.h"
@@ skipping 46 matching lines @@
   // Retrieves the top NativeWidgetPrivate in the hierarchy containing the given
   // NativeView, or NULL if there is no NativeWidgetPrivate that contains it.
   static NativeWidgetPrivate* GetTopLevelNativeWidget(
       gfx::NativeView native_view);
 
   static void GetAllChildWidgets(gfx::NativeView native_view,
                                  Widget::Widgets* children);
   static void ReparentNativeView(gfx::NativeView native_view,
                                  gfx::NativeView new_parent);
 
+  // Reorder the child layers of |parent| so that their order matches the order
+  // the order of views with layers / views with attached layers in |root_view|.
+  static void ReorderLayers(gfx::NativeView parent, View* root_view);
+
   // Returns true if any mouse button is currently down.
   static bool IsMouseButtonDown();
 
   // Returns true if any touch device is currently down.
   static bool IsTouchDown();
 
   // Initializes the NativeWidget.
   virtual void InitNativeWidget(const Widget::InitParams& params) = 0;
 
   // Returns a NonClientFrameView for the widget's NonClientView, or NULL if
@@ skipping 129 matching lines @@
   virtual ui::NativeTheme* GetNativeTheme() const = 0;
 
   // Overridden from NativeWidget:
   virtual internal::NativeWidgetPrivate* AsNativeWidgetPrivate() OVERRIDE;
 };
 
 }  // namespace internal
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_PRIVATE_H_