Purge the App Launcher code from Windows.

ui/app_list/views/contents_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/app_list/views/contents_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 310 matching lines @@
 }
 
 PaginationModel* ContentsView::GetAppsPaginationModel() {
   return apps_container_view_->apps_grid_view()->pagination_model();
 }
 
 void ContentsView::ShowFolderContent(AppListFolderItem* item) {
   apps_container_view_->ShowActiveFolder(item);
 }
 
-void ContentsView::Prerender() {
-  apps_container_view_->apps_grid_view()->Prerender();
-}
-
 AppListPage* ContentsView::GetPageView(int index) const {
   DCHECK_GT(static_cast<int>(app_list_pages_.size()), index);
   return app_list_pages_[index];
 }
 
 SearchBoxView* ContentsView::GetSearchBoxView() const {
   return app_list_main_view_->search_box_view();
 }
 
 int ContentsView::AddLauncherPage(AppListPage* view) {
@@ skipping 135 matching lines @@
 }
 
 void ContentsView::TransitionStarted() {
 }
 
 void ContentsView::TransitionChanged() {
   UpdatePageBounds();
 }
 
 }  // namespace app_list