Update SetPaintToLayer to accept LayerType

ash/common/system/tray/tray_popup_utils.cc

Index: ash/common/system/tray/tray_popup_utils.cc
diff --git a/ash/common/system/tray/tray_popup_utils.cc b/ash/common/system/tray/tray_popup_utils.cc
index 2abe1f65a88613ba200b6e66e90704a931aa3d2b..86dfb85fca86bdeaaa7b8a8d3fbe423f896c995e 100644
--- a/ash/common/system/tray/tray_popup_utils.cc
+++ b/ash/common/system/tray/tray_popup_utils.cc
@@ -17,6 +17,7 @@
 #include "ash/common/wm_shell.h"
 #include "base/memory/ptr_util.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/compositor/layer_type.h"
 #include "ui/views/animation/flood_fill_ink_drop_ripple.h"
 #include "ui/views/animation/ink_drop_highlight.h"
 #include "ui/views/animation/ink_drop_impl.h"
@@ -286,7 +287,7 @@ void TrayPopupUtils::ConfigureAsStickyHeader(views::View* view) {
       views::Background::CreateSolidBackground(kBackgroundColor));
   view->SetBorder(
       views::CreateEmptyBorder(gfx::Insets(kMenuSeparatorVerticalPadding, 0)));
-  view->SetPaintToLayer(true);
+  view->SetPaintToLayer(ui::LAYER_TEXTURED);
   view->layer()->SetFillsBoundsOpaquely(false);
 }