Update SetPaintToLayer to accept LayerType

ash/common/wallpaper/wallpaper_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/wallpaper/wallpaper_view.h"
 
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/wallpaper/wallpaper_controller.h"
 #include "ash/common/wallpaper/wallpaper_delegate.h"
 #include "ash/common/wallpaper/wallpaper_widget_controller.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
 #include "ash/common/wm_lookup.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/root_window_controller.h"
+#include "ui/compositor/layer_type.h"
 #include "ui/display/display.h"
 #include "ui/display/manager/managed_display_info.h"
 #include "ui/display/screen.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/geometry/safe_integer_conversions.h"
 #include "ui/gfx/geometry/size_conversions.h"
 #include "ui/gfx/transform.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 namespace {
 
 // A view that controls the child view's layer so that the layer always has the
 // same size as the display's original, un-scaled size in DIP. The layer is then
 // transformed to fit to the virtual screen size when laid-out. This is to avoid
 // scaling the image at painting time, then scaling it back to the screen size
 // in the compositor.
 class LayerControlView : public views::View {
  public:
   explicit LayerControlView(views::View* view) {
     AddChildView(view);
-    view->SetPaintToLayer(true);
+    view->SetPaintToLayer(ui::LAYER_TEXTURED);
   }
 
   // Overrides views::View.
   void Layout() override {
     WmWindow* window = WmLookup::Get()->GetWindowForWidget(GetWidget());
     // Keep |this| at the bottom since there may be other windows on top of the
     // wallpaper view such as an overview mode shield.
     window->GetParent()->StackChildAtBottom(window);
     display::Display display = window->GetDisplayNearestWindow();
 
@@ skipping 183 matching lines @@
     // Disable animation if transition to login screen from an empty background.
     wallpaper_window->SetVisibilityAnimationTransition(::wm::ANIMATE_NONE);
   }
 
   WmWindow* container = root_window->GetChildByShellWindowId(container_id);
   wallpaper_widget->SetBounds(container->GetBounds());
   return wallpaper_widget;
 }
 
 }  // namespace ash