Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

chrome/browser/ui/views/toolbar/wrench_menu.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/views/toolbar/wrench_menu.h"
 
 #include <algorithm>
 #include <cmath>
 #include <set>
 
@@ skipping 934 matching lines @@
 #endif  // defined(DEBUG)
 
   menu_runner_.reset(new views::MenuRunner(root_));
 }
 
 void WrenchMenu::RunMenu(views::MenuButton* host) {
   gfx::Point screen_loc;
   views::View::ConvertPointToScreen(host, &screen_loc);
   gfx::Rect bounds(screen_loc, host->size());
   content::RecordAction(UserMetricsAction("ShowAppMenu"));
-  if (menu_runner_->RunMenuAt(host->GetWidget(), host, bounds,
-          MenuItemView::TOPRIGHT, ui::MENU_SOURCE_NONE,
-          views::MenuRunner::HAS_MNEMONICS) ==
+  if (menu_runner_->RunMenuAt(host->GetWidget(),
+                              host,
+                              bounds,
+                              views::MENU_ANCHOR_TOPRIGHT,
+                              ui::MENU_SOURCE_NONE,
+                              views::MenuRunner::HAS_MNEMONICS) ==
       views::MenuRunner::MENU_DELETED)
     return;
   if (bookmark_menu_delegate_.get()) {
     BookmarkModel* model = BookmarkModelFactory::GetForProfile(
         browser_->profile());
     if (model)
       model->RemoveObserver(this);
   }
   if (selected_menu_model_)
     selected_menu_model_->ActivatedAt(selected_index_);
@@ skipping 388 matching lines @@
                                 0,
                                 BookmarkMenuDelegate::SHOW_PERMANENT_FOLDERS,
                                 BOOKMARK_LAUNCH_LOCATION_WRENCH_MENU);
 }
 
 int WrenchMenu::ModelIndexFromCommandId(int command_id) const {
   CommandIDToEntry::const_iterator ix = command_id_to_entry_.find(command_id);
   DCHECK(ix != command_id_to_entry_.end());
   return ix->second.second;
 }