AppListFolderView now reports the correct size. [Refactor]

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 395 matching lines @@
       ShowSearchResults(false);
       break;
     case AppListModel::INVALID_STATE:  // Falls through.
       NOTREACHED();
       break;
   }
   return true;
 }
 
 gfx::Size ContentsView::GetDefaultContentsSize() const {
-  return apps_container_view_->apps_grid_view()->GetPreferredSize();
+  return apps_container_view_->GetPreferredSize();
 }
 
 gfx::Size ContentsView::GetPreferredSize() const {
   gfx::Rect search_box_bounds = GetDefaultSearchBoxBounds();
   gfx::Rect default_contents_bounds = GetDefaultContentsBounds();
   gfx::Vector2d bottom_right =
       search_box_bounds.bottom_right().OffsetFromOrigin();
   bottom_right.SetToMax(
       default_contents_bounds.bottom_right().OffsetFromOrigin());
   return gfx::Size(bottom_right.x(), bottom_right.y());
@@ skipping 53 matching lines @@
 }
 
 void ContentsView::TransitionStarted() {
 }
 
 void ContentsView::TransitionChanged() {
   UpdatePageBounds();
 }
 
 }  // namespace app_list