Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

chrome/browser/ui/views/toolbar/toolbar_button.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/toolbar_button.h"
 
 #include "base/bind.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
 #include "grit/theme_resources.h"
 #include "grit/ui_strings.h"
@@ skipping 181 matching lines @@
   SetState(STATE_PRESSED);
 
   menu_showing_ = true;
 
   // Create and run menu.  Display an empty menu if model is NULL.
   if (model_.get()) {
     views::MenuModelAdapter menu_delegate(model_.get());
     menu_delegate.set_triggerable_event_flags(triggerable_event_flags());
     menu_runner_.reset(new views::MenuRunner(menu_delegate.CreateMenu()));
     views::MenuRunner::RunResult result =
-        menu_runner_->RunMenuAt(GetWidget(), NULL,
+        menu_runner_->RunMenuAt(GetWidget(),
+                                NULL,
                                 gfx::Rect(menu_position, gfx::Size(0, 0)),
-                                views::MenuItemView::TOPLEFT,
+                                views::MENU_ANCHOR_TOPLEFT,
                                 source_type,
                                 views::MenuRunner::HAS_MNEMONICS);
     if (result == views::MenuRunner::MENU_DELETED)
       return;
   } else {
     views::MenuDelegate menu_delegate;
     views::MenuItemView* menu = new views::MenuItemView(&menu_delegate);
     menu_runner_.reset(new views::MenuRunner(menu));
     views::MenuRunner::RunResult result =
-        menu_runner_->RunMenuAt(GetWidget(), NULL,
+        menu_runner_->RunMenuAt(GetWidget(),
+                                NULL,
                                 gfx::Rect(menu_position, gfx::Size(0, 0)),
-                                views::MenuItemView::TOPLEFT,
+                                views::MENU_ANCHOR_TOPLEFT,
                                 source_type,
                                 views::MenuRunner::HAS_MNEMONICS);
     if (result == views::MenuRunner::MENU_DELETED)
       return;
   }
 
   menu_showing_ = false;
 
   // Need to explicitly clear mouse handler so that events get sent
   // properly after the menu finishes running. If we don't do this, then
   // the first click to other parts of the UI is eaten.
   SetMouseHandler(NULL);
 
   // Set the state back to normal after the drop down menu is closed.
   if (state_ != STATE_DISABLED)
     SetState(STATE_NORMAL);
 }