Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

ui/views/controls/combobox/combobox.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/combobox/combobox.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/strings/utf_string_conversions.h"
 #include "grit/ui_resources.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/models/combobox_model.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/events/event.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/animation/throb_animation.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/scoped_canvas.h"
 #include "ui/gfx/text_utils.h"
 #include "ui/native_theme/native_theme.h"
 #include "ui/views/background.h"
 #include "ui/views/color_constants.h"
 #include "ui/views/controls/button/custom_button.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/combobox/combobox_listener.h"
 #include "ui/views/controls/focusable_border.h"
+#include "ui/views/controls/menu/menu_item_view.h"
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/controls/menu/menu_runner_handler.h"
 #include "ui/views/controls/menu/submenu_view.h"
 #include "ui/views/controls/prefix_selector.h"
 #include "ui/views/ime/input_method.h"
 #include "ui/views/mouse_constants.h"
 #include "ui/views/painter.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
@@ skipping 723 matching lines @@
     menu_position.set_x(0);
 
   gfx::Rect bounds(menu_position, lb.size());
 
   Button::ButtonState original_state = Button::STATE_NORMAL;
   if (arrow_button_) {
     original_state = arrow_button_->state();
     arrow_button_->SetState(Button::STATE_PRESSED);
   }
   dropdown_open_ = true;
-  MenuItemView::AnchorPosition anchor_position =
-      style_ == STYLE_ACTION ? MenuItemView::TOPRIGHT : MenuItemView::TOPLEFT;
+  MenuAnchorPosition anchor_position =
+      style_ == STYLE_ACTION ? MENU_ANCHOR_TOPRIGHT : MENU_ANCHOR_TOPLEFT;
   if (dropdown_list_menu_runner_->RunMenuAt(GetWidget(), NULL, bounds,
                                             anchor_position, source_type,
                                             MenuRunner::COMBOBOX) ==
       MenuRunner::MENU_DELETED) {
     return;
   }
   dropdown_open_ = false;
   if (arrow_button_)
     arrow_button_->SetState(original_state);
   closed_time_ = base::Time::Now();
@@ skipping 41 matching lines @@
     case STYLE_NORMAL:
       return kDisclosureArrowRightPadding;
     case STYLE_ACTION:
       return kDisclosureArrowButtonRightPadding;
   }
   NOTREACHED();
   return 0;
 }
 
 }  // namespace views