Center and change the aspect ratio for the experimental app list. [Win]

ui/app_list/views/app_list_folder_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_folder_view.h"
 
 #include <algorithm>
 
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_folder_item.h"
@@ skipping 37 matching lines @@
       model_(model),
       folder_item_(NULL),
       pagination_model_(new PaginationModel),
       hide_for_reparent_(false) {
   AddChildView(folder_header_view_);
   view_model_->Add(folder_header_view_, kIndexFolderHeader);
 
   items_grid_view_ = new AppsGridView(
       app_list_main_view, pagination_model_.get(), NULL);
   items_grid_view_->set_is_root_level(false);
-  items_grid_view_->SetLayout(kPreferredIconDimension,
-                              kPreferredCols,
-                              kPreferredRows);
+  items_grid_view_->SetLayout(
+      kPreferredIconDimension,
+      container_view->apps_grid_view()->cols(),
+      container_view->apps_grid_view()->rows_per_page());
   items_grid_view_->SetModel(model);
   AddChildView(items_grid_view_);
   view_model_->Add(items_grid_view_, kIndexChildItems);
 
 #if defined(USE_AURA)
   SetPaintToLayer(true);
   SetFillsBoundsOpaquely(false);
 #endif
 
   model_->item_list()->AddObserver(this);
@@ skipping 203 matching lines @@
   SetVisible(false);
   hide_for_reparent_ = false;
 }
 
 void AppListFolderView::NavigateBack(AppListFolderItem* item,
                                      const ui::Event& event_flags) {
   container_view_->ShowApps(item);
 }
 
 }  // namespace app_list