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

ui/views/widget/desktop_aura/desktop_native_widget_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_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_
 
 #include "base/memory/weak_ptr.h"
 #include "ui/aura/client/activation_change_observer.h"
 #include "ui/aura/client/activation_delegate.h"
@@ skipping 17 matching lines @@
 class InputMethodEventFilter;
 class ShadowController;
 class TooltipController;
 class VisibilityController;
 class WindowModalityController;
 }
 
 class DesktopRootWindowHost;
 class DropHelper;
 class NativeWidgetAuraWindowObserver;
+class NativeWidgetLayerReordererAura;
 class TooltipManagerAura;
 
 class VIEWS_EXPORT DesktopNativeWidgetAura
     : public internal::NativeWidgetPrivate,
       public aura::WindowDelegate,
       public aura::client::ActivationDelegate,
       public aura::client::ActivationChangeObserver,
       public aura::client::FocusChangeObserver,
       public views::internal::InputMethodDelegate,
       public aura::client::DragDropDelegate {
@@ skipping 26 matching lines @@
   virtual void FrameTypeChanged() OVERRIDE;
   virtual Widget* GetWidget() OVERRIDE;
   virtual const Widget* GetWidget() const OVERRIDE;
   virtual gfx::NativeView GetNativeView() const OVERRIDE;
   virtual gfx::NativeWindow GetNativeWindow() const OVERRIDE;
   virtual Widget* GetTopLevelWidget() OVERRIDE;
   virtual const ui::Compositor* GetCompositor() const OVERRIDE;
   virtual ui::Compositor* GetCompositor() OVERRIDE;
   virtual gfx::Vector2d CalculateOffsetToAncestorWithLayer(
       ui::Layer** layer_parent) OVERRIDE;
+  virtual void ReorderLayers() OVERRIDE;
+  virtual bool HasNativeViewAttachedToViewTree() const OVERRIDE;
   virtual void ViewRemoved(View* view) OVERRIDE;
   virtual void SetNativeWindowProperty(const char* name, void* value) OVERRIDE;
   virtual void* GetNativeWindowProperty(const char* name) const OVERRIDE;
   virtual TooltipManager* GetTooltipManager() const OVERRIDE;
   virtual void SetCapture() OVERRIDE;
   virtual void ReleaseCapture() OVERRIDE;
   virtual bool HasCapture() const OVERRIDE;
   virtual InputMethod* CreateInputMethod() OVERRIDE;
   virtual internal::InputMethodDelegate* GetInputMethodDelegate() OVERRIDE;
   virtual void CenterWindow(const gfx::Size& size) OVERRIDE;
@@ skipping 138 matching lines @@
   scoped_ptr<views::corewm::VisibilityController> visibility_controller_;
 
   scoped_ptr<views::corewm::WindowModalityController>
       window_modality_controller_;
 
   // See comments in OnLostActive().
   bool restore_focus_on_activate_;
 
   scoped_ptr<corewm::ShadowController> shadow_controller_;
 
+  // Reorders layers and windows based on the order of views with layers and
+  // views with attached windows in the widget's view hierarchy.
+  scoped_ptr<NativeWidgetLayerReordererAura> layer_reorderer_;
+
   DISALLOW_COPY_AND_ASSIGN(DesktopNativeWidgetAura);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_NATIVE_WIDGET_AURA_H_