Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

ui/views/controls/menu/menu_model_adapter.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/controls/menu/menu_model_adapter.h"
 
 #include "base/logging.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/menu_model.h"
 #include "ui/gfx/image/image.h"
+#include "ui/views/controls/menu/menu_item_view.h"
 #include "ui/views/controls/menu/submenu_view.h"
 #include "ui/views/views_delegate.h"
 
 namespace views {
 
 MenuModelAdapter::MenuModelAdapter(ui::MenuModel* menu_model)
     : menu_model_(menu_model),
       triggerable_event_flags_(ui::EF_LEFT_MOUSE_BUTTON |
                                ui::EF_RIGHT_MOUSE_BUTTON) {
   DCHECK(menu_model);
@@ skipping 255 matching lines @@
       has_icons = has_icons || item->has_icons();
 
       menu_map_[item] = submodel;
     }
   }
 
   menu->set_has_icons(has_icons);
 }
 
 }  // namespace views