Update SetPaintToLayer to accept LayerType

ash/common/system/tray/tray_popup_item_container.cc

Index: ash/common/system/tray/tray_popup_item_container.cc
diff --git a/ash/common/system/tray/tray_popup_item_container.cc b/ash/common/system/tray/tray_popup_item_container.cc
index f342878f2046ee8a69484ba8e1927bcae3cee09a..62fcb5439ae430fd12365381187a5c2b8961ac2e 100644
--- a/ash/common/system/tray/tray_popup_item_container.cc
+++ b/ash/common/system/tray/tray_popup_item_container.cc
@@ -5,6 +5,7 @@
 #include "ash/common/system/tray/tray_popup_item_container.h"
 
 #include "ash/common/system/tray/tray_constants.h"
+#include "ui/compositor/layer_type.h"
 #include "ui/gfx/canvas.h"
 #include "ui/views/layout/box_layout.h"
 
@@ -19,7 +20,7 @@ TrayPopupItemContainer::TrayPopupItemContainer(views::View* view,
   layout->SetDefaultFlex(1);
   SetLayoutManager(layout);
   if (view->layer()) {
-    SetPaintToLayer(true);
+    SetPaintToLayer(ui::LAYER_TEXTURED);
     layer()->SetFillsBoundsOpaquely(view->layer()->fills_bounds_opaquely());
   }
   AddChildView(view);