Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

ui/views/controls/menu/menu_scroll_view_container.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/menu/menu_scroll_view_container.h"
 
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/gfx/canvas.h"
@@ skipping 297 matching lines @@
 }
 
 void MenuScrollViewContainer::CreateBubbleBorder() {
   bubble_border_ = new BubbleBorder(arrow_,
                                     BubbleBorder::SMALL_SHADOW,
                                     SK_ColorWHITE);
   SetBorder(scoped_ptr<Border>(bubble_border_));
   set_background(new BubbleBackground(bubble_border_));
 }
 
-BubbleBorder::Arrow
-MenuScrollViewContainer::BubbleBorderTypeFromAnchor(
-    MenuItemView::AnchorPosition anchor) {
+BubbleBorder::Arrow MenuScrollViewContainer::BubbleBorderTypeFromAnchor(
+    MenuAnchorPosition anchor) {
   switch (anchor) {
-    case views::MenuItemView::BUBBLE_LEFT:
+    case MENU_ANCHOR_BUBBLE_LEFT:
       return BubbleBorder::RIGHT_CENTER;
-    case views::MenuItemView::BUBBLE_RIGHT:
+    case MENU_ANCHOR_BUBBLE_RIGHT:
       return BubbleBorder::LEFT_CENTER;
-    case views::MenuItemView::BUBBLE_ABOVE:
+    case MENU_ANCHOR_BUBBLE_ABOVE:
       return BubbleBorder::BOTTOM_CENTER;
-    case views::MenuItemView::BUBBLE_BELOW:
+    case MENU_ANCHOR_BUBBLE_BELOW:
       return BubbleBorder::TOP_CENTER;
     default:
       return BubbleBorder::NONE;
   }
 }
 
 }  // namespace views