Cleanup MenuRunner API

ui/views/examples/tree_view_example.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/views/examples/tree_view_example.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/menu/menu_model_adapter.h"
@@ skipping 115 matching lines @@
   return true;
 }
 
 void TreeViewExample::ShowContextMenuForView(View* source,
                                              const gfx::Point& point,
                                              ui::MenuSourceType source_type) {
   context_menu_model_.reset(new ui::SimpleMenuModel(this));
   context_menu_model_->AddItem(ID_EDIT, ASCIIToUTF16("Edit"));
   context_menu_model_->AddItem(ID_REMOVE, ASCIIToUTF16("Remove"));
   context_menu_model_->AddItem(ID_ADD, ASCIIToUTF16("Add"));
-  context_menu_runner_.reset(
-      new MenuRunner(context_menu_model_.get(), MenuRunner::ASYNC));
+  context_menu_runner_.reset(new MenuRunner(context_menu_model_.get(), 0));
   context_menu_runner_->RunMenuAt(source->GetWidget(), nullptr,
                                   gfx::Rect(point, gfx::Size()),
                                   MENU_ANCHOR_TOPLEFT, source_type);
 }
 
 bool TreeViewExample::IsCommandIdChecked(int command_id) const {
   return false;
 }
 
 bool TreeViewExample::IsCommandIdEnabled(int command_id) const {
@@ skipping 13 matching lines @@
     case ID_ADD:
       AddNewNode();
       break;
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace examples
 }  // namespace views