Added views::ViewModelT<T>, a type-safe template version of ViewModel.

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/accessibility/ax_view_state.h"
 #include "ui/app_list/app_list_constants.h"
@@ skipping 29 matching lines @@
 const int kOutOfFolderContainerBubbleDelta = 30;
 
 }  // namespace
 
 AppListFolderView::AppListFolderView(AppsContainerView* container_view,
                                      AppListModel* model,
                                      AppListMainView* app_list_main_view)
     : container_view_(container_view),
       app_list_main_view_(app_list_main_view),
       folder_header_view_(new FolderHeaderView(this)),
-      view_model_(new views::ViewModel),
+      view_model_(new views::ViewModel<views::View>),
       model_(model),
       folder_item_(NULL),
       hide_for_reparent_(false) {
   AddChildView(folder_header_view_);
   view_model_->Add(folder_header_view_, kIndexFolderHeader);
 
   items_grid_view_ = new AppsGridView(app_list_main_view_);
   items_grid_view_->set_folder_delegate(this);
   items_grid_view_->SetLayout(
       container_view->apps_grid_view()->cols(),
@@ skipping 251 matching lines @@
 void AppListFolderView::GiveBackFocusToSearchBox() {
   app_list_main_view_->search_box_view()->search_box()->RequestFocus();
 }
 
 void AppListFolderView::SetItemName(AppListFolderItem* item,
                                     const std::string& name) {
   model_->SetItemName(item, name);
 }
 
 }  // namespace app_list