Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

ui/views/controls/menu/menu_delegate.h

 // 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.
 
 #ifndef UI_VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_
 #define UI_VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_
 
 #include <set>
 #include <string>
 
 #include "base/logging.h"
 #include "base/strings/string16.h"
+#include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/dragdrop/drag_drop_types.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
-#include "ui/views/controls/menu/menu_item_view.h"
+#include "ui/base/ui_base_types.h"
+#include "ui/views/controls/menu/menu_types.h"
+#include "ui/views/views_export.h"
 
 using ui::OSExchangeData;
 
 namespace gfx {
 class FontList;
+class Point;
 }
 
 namespace ui {
 class Accelerator;
+class DropTargetEvent;
 }
 
 namespace views {
 
 class MenuButton;
+class MenuItemView;
 
 // MenuDelegate --------------------------------------------------------------
 
 // Delegate for a menu. This class is used as part of MenuItemView, see it
 // for details.
 // TODO(sky): merge this with ui::MenuModel.
 class VIEWS_EXPORT MenuDelegate {
  public:
   // Used during drag and drop to indicate where the drop indicator should
   // be rendered.
@@ skipping 166 matching lines @@
   virtual void SelectionChanged(MenuItemView* menu) {
   }
 
   // If the user drags the mouse outside the bounds of the menu the delegate
   // is queried for a sibling menu to show. If this returns non-null the
   // current menu is hidden, and the menu returned from this method is shown.
   //
   // The delegate owns the returned menu, not the controller.
   virtual MenuItemView* GetSiblingMenu(MenuItemView* menu,
                                        const gfx::Point& screen_point,
-                                       MenuItemView::AnchorPosition* anchor,
+                                       MenuAnchorPosition* anchor,
                                        bool* has_mnemonics,
                                        MenuButton** button);
 
   // Returns the max width menus can grow to be.
   virtual int GetMaxWidthForMenu(MenuItemView* menu);
 
   // Invoked prior to a menu being shown.
   virtual void WillShowMenu(MenuItemView* menu);
 
   // Invoked prior to a menu being hidden.
   virtual void WillHideMenu(MenuItemView* menu);
 
   // Returns additional horizontal spacing for the icon of the given item.
   // The |command_id| specifies the item of interest, the |icon_size| tells the
   // function the size of the icon and it will then return |left_margin|
   // and |right_margin| accordingly. Note: Negative values can be returned.
   virtual void GetHorizontalIconMargins(int command_id,
                                         int icon_size,
                                         int* left_margin,
                                         int* right_margin) const;
   // Returns true if the labels should reserve additional spacing for e.g.
   // submenu indicators at the end of the line.
   virtual bool ShouldReserveSpaceForSubmenuIndicator() const;
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_DELEGATE_H_