Update SetPaintToLayer to accept LayerType

ui/app_list/views/app_list_main_view.cc

 // Copyright 2013 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/app_list_main_view.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 109 matching lines @@
 
 void AppListMainView::AddContentsViews() {
   DCHECK(search_box_view_);
 
   contents_view_ = new ContentsView(this);
   contents_view_->Init(model_);
   AddChildView(contents_view_);
 
   search_box_view_->set_contents_view(contents_view_);
 
-  contents_view_->SetPaintToLayer(true);
+  contents_view_->SetPaintToLayer();
   contents_view_->layer()->SetFillsBoundsOpaquely(false);
   contents_view_->layer()->SetMasksToBounds(true);
 
   delegate_->StartSearch();
 }
 
 void AppListMainView::ShowAppListWhenReady() {
   if (pending_icon_loaders_.empty()) {
     icon_loading_wait_timer_.Stop();
     GetWidget()->Show();
@@ skipping 171 matching lines @@
     contents_view_->search_results_page_view()->SetSelection(select);
 }
 
 void AppListMainView::OnResultInstalled(SearchResult* result) {
   // Clears the search to show the apps grid. The last installed app
   // should be highlighted and made visible already.
   search_box_view_->ClearSearch();
 }
 
 }  // namespace app_list