Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

ui/views/controls/menu/menu_scroll_view_container.h

 // Copyright (c) 2011 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.
 
 #ifndef UI_VIEWS_CONTROLS_MENU_MENU_SCROLL_VIEW_CONTAINER_H_
 #define UI_VIEWS_CONTROLS_MENU_MENU_SCROLL_VIEW_CONTAINER_H_
 
 #include "ui/views/view.h"
 #include "ui/views/bubble/bubble_border.h"
-#include "ui/views/controls/menu/menu_item_view.h"
+#include "ui/views/controls/menu/menu_types.h"
 
 namespace views {
 
 class SubmenuView;
 
 // MenuScrollViewContainer contains the SubmenuView (through a MenuScrollView)
 // and two scroll buttons. The scroll buttons are only visible and enabled if
 // the preferred height of the SubmenuView is bigger than our bounds.
 class MenuScrollViewContainer : public View {
  public:
@@ skipping 19 matching lines @@
   // View override.
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
 
  private:
   // Create the default border.
   void CreateDefaultBorder();
 
   // Create the bubble border.
   void CreateBubbleBorder();
 
-  BubbleBorder::Arrow BubbleBorderTypeFromAnchor(
-      MenuItemView::AnchorPosition anchor);
+  BubbleBorder::Arrow BubbleBorderTypeFromAnchor(MenuAnchorPosition anchor);
 
   class MenuScrollView;
 
   // The scroll buttons.
   View* scroll_up_button_;
   View* scroll_down_button_;
 
   // The scroll view.
   MenuScrollView* scroll_view_;
 
   // The content view.
   SubmenuView* content_view_;
 
   // If set the currently set border is a bubble border.
   BubbleBorder::Arrow arrow_;
 
   // Weak reference to the currently set border.
   BubbleBorder* bubble_border_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuScrollViewContainer);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_SCROLL_VIEW_CONTAINER_H_