Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

ui/views/controls/menu/menu_runner.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_RUNNER_H_
 #define UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
-#include "ui/views/controls/menu/menu_item_view.h"
+#include "ui/base/ui_base_types.h"
+#include "ui/views/views_export.h"
+
+namespace base {
+class TimeDelta;
+}
+
+namespace gfx {
+class Rect;
+}
 
 namespace ui {
 class MenuModel;
 }
 
 namespace views {
 
 class MenuButton;
+class MenuItemView;
 class MenuModelAdapter;
 class MenuRunnerHandler;
 class Widget;
 
 namespace internal {
 class DisplayChangeListener;
 class MenuRunnerImpl;
 }
 
 namespace test {
@@ skipping 66 matching lines @@
 
   // Runs the menu. |types| is a bitmask of RunTypes. If this returns
   // MENU_DELETED the method is returning because the MenuRunner was deleted.
   // Typically callers should NOT do any processing if this returns
   // MENU_DELETED.
   // If |anchor| uses a |BUBBLE_..| type, the bounds will get determined by
   // using |bounds| as the thing to point at in screen coordinates.
   RunResult RunMenuAt(Widget* parent,
                       MenuButton* button,
                       const gfx::Rect& bounds,
-                      MenuItemView::AnchorPosition anchor,
+                      ui::MenuAnchorPosition anchor,
                       ui::MenuSourceType source_type,
                       int32 types) WARN_UNUSED_RESULT;
 
   // Returns true if we're in a nested message loop running the menu.
   bool IsRunning() const;
 
   // Hides and cancels the menu. This does nothing if the menu is not open.
   void Cancel();
 
   // Returns the time from the event which closed the menu - or 0.
@@ skipping 34 matching lines @@
 
  protected:
   DisplayChangeListener() {}
 };
 
 }
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_RUNNER_H_