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

ui/app_list/views/apps_container_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/apps_container_view.h"
 
 #include <algorithm>
 
+#include "base/command_line.h"
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_folder_item.h"
+#include "ui/app_list/app_list_switches.h"
 #include "ui/app_list/pagination_model.h"
 #include "ui/app_list/views/app_list_folder_view.h"
 #include "ui/app_list/views/app_list_item_view.h"
 #include "ui/app_list/views/app_list_main_view.h"
 #include "ui/app_list/views/apps_grid_view.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 #include "ui/events/event.h"
 #include "ui/gfx/image/image_skia_operations.h"
 #include "ui/views/controls/image_view.h"
 
@@ skipping 91 matching lines @@
 }  // namespace
 
 AppsContainerView::AppsContainerView(AppListMainView* app_list_main_view,
                                      PaginationModel* pagination_model,
                                      AppListModel* model,
                                      content::WebContents* start_page_contents)
     : model_(model),
       show_state_(SHOW_APPS) {
   apps_grid_view_ = new AppsGridView(
       app_list_main_view, pagination_model, start_page_contents);
-  apps_grid_view_->SetLayout(kPreferredIconDimension,
-                             kPreferredCols,
-                             kPreferredRows);
+  int cols = kPreferredCols;
+  int rows = kPreferredRows;
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+      app_list::switches::kEnableExperimentalAppList)) {
+    cols = kExperimentalPreferredCols;
+    rows = kExperimentalPreferredRows;
+  }
+  apps_grid_view_->SetLayout(kPreferredIconDimension, cols, rows);
   AddChildView(apps_grid_view_);
 
   app_list_folder_view_ = new AppListFolderView(
       this,
       model,
       app_list_main_view,
       start_page_contents);
   AddChildView(app_list_folder_view_);
 
   apps_grid_view_->SetModel(model_);
@@ skipping 118 matching lines @@
     // same location of the item in the folder list view.
     AddChildView(top_icon_views_[i]);
     top_icon_views_[i]->SetBoundsRect(
         app_list_folder_view_->ConvertRectToParent(
             app_list_folder_view_->GetItemIconBoundsAt(i)));
     static_cast<TopIconAnimationView*>(top_icon_views_[i])->TransformView();
   }
 }
 
 }  // namespace app_list