Update SetPaintToLayer to accept LayerType

ui/app_list/views/folder_background_view.cc

 // Copyright 2014 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/app_list/views/folder_background_view.h"
 
 #include <algorithm>
 
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/views/app_list_folder_view.h"
 #include "ui/app_list/views/apps_container_view.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/transform_util.h"
 
 namespace app_list {
 
 namespace {
 
 const float kFolderInkBubbleScale = 1.2f;
 const int kBubbleTransitionDurationMs = 200;
 
 }  // namespace
 
 FolderBackgroundView::FolderBackgroundView()
     : folder_view_(NULL),
       show_state_(NO_BUBBLE) {
-  SetPaintToLayer(true);
+  SetPaintToLayer();
   layer()->SetFillsBoundsOpaquely(false);
 }
 
 FolderBackgroundView::~FolderBackgroundView() {
 }
 
 void FolderBackgroundView::UpdateFolderContainerBubble(ShowState state) {
   if (show_state_ == state ||
       (state == HIDE_BUBBLE && show_state_ == NO_BUBBLE)) {
     return;
@@ skipping 51 matching lines @@
 
 void FolderBackgroundView::OnImplicitAnimationsCompleted() {
   // Show folder name after the ink bubble disappears.
   if (show_state_ == HIDE_BUBBLE) {
     static_cast<AppsContainerView*>(parent())->app_list_folder_view()->
         UpdateFolderNameVisibility(true);
   }
 }
 
 }  // namespace app_list