Update SetPaintToLayer to accept LayerType

ash/common/system/tray/tray_background_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 "ash/common/system/tray/tray_background_view.h"
 
 #include <algorithm>
 
 #include "ash/common/ash_constants.h"
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/shelf/shelf_constants.h"
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/shelf/wm_shelf_util.h"
 #include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/tray_constants.h"
 #include "ash/common/system/tray/tray_event_filter.h"
 #include "ash/common/wm_lookup.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "base/memory/ptr_util.h"
 #include "grit/ash_resources.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/base/nine_image_painter_factory.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_element.h"
+#include "ui/compositor/layer_type.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/events/event_constants.h"
 #include "ui/gfx/animation/tween.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/image/image_skia_operations.h"
 #include "ui/gfx/nine_image_painter.h"
 #include "ui/gfx/scoped_canvas.h"
@@ skipping 258 matching lines @@
       widget_observer_(new TrayWidgetObserver(this)) {
   DCHECK(wm_shelf_);
   set_notify_enter_exit_on_child(true);
   set_ink_drop_base_color(kShelfInkDropBaseColor);
   set_ink_drop_visible_opacity(kShelfInkDropVisibleOpacity);
 
   tray_container_ = new TrayContainer(shelf_alignment_);
   SetContents(tray_container_);
   tray_event_filter_.reset(new TrayEventFilter);
 
-  SetPaintToLayer(true);
+  SetPaintToLayer(ui::LAYER_TEXTURED);
   layer()->SetFillsBoundsOpaquely(false);
   // Start the tray items not visible, because visibility changes are animated.
   views::View::SetVisible(false);
 }
 
 TrayBackgroundView::~TrayBackgroundView() {
   if (GetWidget())
     GetWidget()->RemoveObserver(widget_observer_.get());
   StopObservingImplicitAnimations();
 }
@@ skipping 317 matching lines @@
 }
 
 gfx::Rect TrayBackgroundView::GetBackgroundBounds() const {
   gfx::Insets insets = GetBackgroundInsets();
   gfx::Rect bounds = GetLocalBounds();
   bounds.Inset(insets);
   return bounds;
 }
 
 }  // namespace ash