Revert 203217 "Revert 202987 "Reorder the NativeViews attached t..."

trunk/src/ui/views/widget/native_widget_aura.cc

Index: trunk/src/ui/views/widget/native_widget_aura.cc
===================================================================
--- trunk/src/ui/views/widget/native_widget_aura.cc	(revision 203401)
+++ trunk/src/ui/views/widget/native_widget_aura.cc	(working copy)
@@ -39,6 +39,7 @@
 #include "ui/views/widget/tooltip_manager_aura.h"
 #include "ui/views/widget/widget_aura_utils.h"
 #include "ui/views/widget/widget_delegate.h"
+#include "ui/views/widget/window_reorderer.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_gdi_object.h"
@@ -172,6 +173,9 @@
                        GetWidget()->widget_delegate()->CanMaximize());
   window_->SetProperty(aura::client::kCanResizeKey,
                        GetWidget()->widget_delegate()->CanResize());
+
+  window_reorderer_.reset(new WindowReorderer(window_,
+      GetWidget()->GetRootView()));
 }
 
 NonClientFrameView* NativeWidgetAura::CreateNonClientFrameView() {
@@ -223,6 +227,10 @@
   return window_->layer();
 }
 
+void NativeWidgetAura::ReorderNativeViews() {
+  window_reorderer_->ReorderChildWindows();
+}
+
 void NativeWidgetAura::ViewRemoved(View* view) {
   DCHECK(drop_helper_.get() != NULL);
   drop_helper_->ResetTargetViewIfEquals(view);