Implement ui for re-parenting an item from an app list folder to another position or folder in the …

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 "base/logging.h"
 #include "ui/app_list/app_list_constants.h"
@@ skipping 65 matching lines @@
 ContentsView::~ContentsView() {
 }
 
 void ContentsView::CancelDrag() {
   if (apps_container_view_->apps_grid_view()->has_dragged_view())
     apps_container_view_->apps_grid_view()->EndDrag(true);
 }
 
 void ContentsView::SetDragAndDropHostOfCurrentAppList(
     ApplicationDragAndDropHost* drag_and_drop_host) {
-  apps_container_view_->apps_grid_view()->
-      SetDragAndDropHostOfCurrentAppList(drag_and_drop_host);
+  apps_container_view_->SetDragAndDropHostOfCurrentAppList(drag_and_drop_host);
 }
 
 void ContentsView::SetShowState(ShowState show_state) {
   if (show_state_ == show_state)
     return;
 
   show_state_ = show_state;
   ShowStateChanged();
 }
 
@@ skipping 171 matching lines @@
     if (!pagination_model_->has_transition()) {
       pagination_model_->SelectPageRelative(offset > 0 ? -1 : 1,
                                             true);
     }
     event->SetHandled();
     event->StopPropagation();
   }
 }
 
 }  // namespace app_list