Update SetPaintToLayer to accept LayerType

ui/views/bubble/tray_bubble_view.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/bubble/tray_bubble_view.h"
 
 #include <algorithm>
 
 #include "base/macros.h"
 #include "third_party/skia/include/core/SkCanvas.h"
@@ skipping 191 matching lines @@
       owned_bubble_border_(bubble_border_),
       is_gesture_dragging_(false),
       mouse_actively_entered_(false) {
   bubble_border_->set_alignment(BubbleBorder::ALIGN_EDGE_TO_ANCHOR_EDGE);
   bubble_border_->set_paint_arrow(BubbleBorder::PAINT_NONE);
   set_can_activate(params_.can_activate);
   DCHECK(anchor_widget());  // Computed by BubbleDialogDelegateView().
   set_notify_enter_exit_on_child(true);
   set_close_on_deactivate(init_params.close_on_deactivate);
   set_margins(gfx::Insets());
-  SetPaintToLayer(true);
+  SetPaintToLayer();
 
   bubble_content_mask_.reset(
       new TrayBubbleContentMask(bubble_border_->GetBorderCornerRadius()));
 
   layout_->SetDefaultFlex(1);
   SetLayoutManager(layout_);
 }
 
 TrayBubbleView::~TrayBubbleView() {
   mouse_watcher_.reset();
@@ skipping 148 matching lines @@
   mouse_watcher_->Stop();
 }
 
 void TrayBubbleView::ChildPreferredSizeChanged(View* child) {
   SizeToContents();
 }
 
 void TrayBubbleView::ViewHierarchyChanged(
     const ViewHierarchyChangedDetails& details) {
   if (details.is_add && details.child == this) {
-    details.parent->SetPaintToLayer(true);
+    details.parent->SetPaintToLayer();
     details.parent->layer()->SetMasksToBounds(true);
   }
 }
 
 }  // namespace views