After uninstall, remove last item in Launcher folder

chrome/browser/ui/app_list/app_list_syncable_service.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 "chrome/browser/ui/app_list/app_list_syncable_service.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "chrome/browser/apps/drive/drive_app_provider.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 461 matching lines @@
     return;
   }
   bool changed = UpdateSyncItemFromAppItem(app_item, sync_item);
   if (!changed) {
     DVLOG(2) << this << " - Update: SYNC NO CHANGE: " << sync_item->ToString();
     return;
   }
   SendSyncChange(sync_item, SyncChange::ACTION_UPDATE);
 }
 
-void AppListSyncableService::RemoveItem(const std::string& id) {
+void AppListSyncableService::RemoveItem(const std::string& id,
+                                        bool uninstalled) {
   RemoveSyncItem(id);
-  model_->DeleteItem(id);
+  if (uninstalled)
+    model_->DeleteUninstalledItem(id);
+  else
+    model_->DeleteItem(id);
   PruneEmptySyncFolders();
 }
 
 void AppListSyncableService::UpdateItem(AppListItem* app_item) {
   // Check to see if the item needs to be moved to/from the OEM folder.
   if (!app_list::switches::IsFolderUIEnabled())
     return;
   bool is_oem = AppIsOem(app_item->id());
   if (!is_oem && app_item->folder_id() == kOemFolderId)
     model_->MoveItemToFolder(app_item, "");
@@ skipping 501 matching lines @@
   } else {
     res += " { " + item_name + " }";
     res += " [" + item_ordinal.ToDebugString() + "]";
     if (!parent_id.empty())
       res += " <" + parent_id.substr(0, 8) + ">";
   }
   return res;
 }
 
 }  // namespace app_list