Update SetPaintToLayer to accept LayerType

ui/views/bubble/tray_bubble_view.cc

Index: ui/views/bubble/tray_bubble_view.cc
diff --git a/ui/views/bubble/tray_bubble_view.cc b/ui/views/bubble/tray_bubble_view.cc
index 82723fd91da080d60d566a4e607dc3bbd4e6f14a..e8648b089c9aae8e9cc077ebaf0bc317d6ea0669 100644
--- a/ui/views/bubble/tray_bubble_view.cc
+++ b/ui/views/bubble/tray_bubble_view.cc
@@ -16,6 +16,7 @@
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_delegate.h"
+#include "ui/compositor/layer_type.h"
 #include "ui/compositor/paint_recorder.h"
 #include "ui/events/event.h"
 #include "ui/gfx/canvas.h"
@@ -209,7 +210,7 @@ TrayBubbleView::TrayBubbleView(View* anchor,
   set_notify_enter_exit_on_child(true);
   set_close_on_deactivate(init_params.close_on_deactivate);
   set_margins(gfx::Insets());
-  SetPaintToLayer(true);
+  SetPaintToLayer(ui::LAYER_TEXTURED);
 
   bubble_content_mask_.reset(
       new TrayBubbleContentMask(bubble_border_->GetBorderCornerRadius()));
@@ -378,7 +379,7 @@ void TrayBubbleView::ChildPreferredSizeChanged(View* child) {
 void TrayBubbleView::ViewHierarchyChanged(
     const ViewHierarchyChangedDetails& details) {
   if (details.is_add && details.child == this) {
-    details.parent->SetPaintToLayer(true);
+    details.parent->SetPaintToLayer(ui::LAYER_TEXTURED);
     details.parent->layer()->SetMasksToBounds(true);
   }
 }