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

ui/views/widget/native_widget_win.cc

Index: ui/views/widget/native_widget_win.cc
diff --git a/ui/views/widget/native_widget_win.cc b/ui/views/widget/native_widget_win.cc
index 59abe0beb97e8cfb230e797d8f4bfe9c4d83d0e7..6741ba638e9c81c02380ab9f359ae23739cbea74 100644
--- a/ui/views/widget/native_widget_win.cc
+++ b/ui/views/widget/native_widget_win.cc
@@ -161,6 +161,9 @@ ui::Layer* NativeWidgetWin::GetLayer() {
   return NULL;
 }
 
+void NativeWidgetWin::ReorderLayersForAttachedNativeViews() {
+}
+
 void NativeWidgetWin::ViewRemoved(View* view) {
   if (drop_target_.get())
     drop_target_->ResetTargetViewIfEquals(view);