First pass at fixing guest browser cookies issue.

ui/app_list/views/apps_grid_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/apps_grid_view.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 
@@ skipping 436 matching lines @@
   }
   CHECK_EQ(item_list_->item_count(),
            static_cast<size_t>(view_model_.view_size()));
 }
 
 void AppsGridView::SetModel(AppListModel* model) {
   if (model_)
     model_->RemoveObserver(this);
 
   model_ = model;
-  if (model_)
+  if (model_) { DLOG(ERROR) << "gridView - setmodel";
     model_->AddObserver(this);
+  }
 
   Update();
 }
 
 void AppsGridView::SetItemList(AppListItemList* item_list) {
   if (item_list_)
     item_list_->RemoveObserver(this);
   item_list_ = item_list;
   if (item_list_)
     item_list_->AddObserver(this);
@@ skipping 1365 matching lines @@
   // Must move to target_model_index, the location we expect the target item
   // to be, not the item location we want to insert before.
   int current_model_index = view_model_.GetIndexOfView(item_view);
   syncer::StringOrdinal target_position;
   if (target_model_index < static_cast<int>(item_list_->item_count()))
     target_position = item_list_->item_at(target_model_index)->position();
   model_->MoveItemToFolderAt(reparent_item, "", target_position);
   view_model_.Move(current_model_index, target_model_index);
 
   RemoveLastItemFromReparentItemFolderIfNecessary(source_folder_id);
-
+DLOG(ERROR) << "gridview reparent";
   item_list_->AddObserver(this);
   model_->AddObserver(this);
   UpdatePaging();
 }
 
 bool AppsGridView::ReparentItemToAnotherFolder(AppListItemView* item_view,
                                                const Index& target) {
   DCHECK(IsDraggingForReparentInRootLevelGridView());
 
   AppListItemView* target_view =
@@ skipping 314 matching lines @@
 
 void AppsGridView::SetAsFolderDroppingTarget(const Index& target_index,
                                              bool is_target_folder) {
   AppListItemView* target_view =
       GetViewDisplayedAtSlotOnCurrentPage(target_index.slot);
   if (target_view)
     target_view->SetAsAttemptedFolderTarget(is_target_folder);
 }
 
 }  // namespace app_list