Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

chrome/browser/ui/views/autofill/autofill_dialog_views.cc

Index: chrome/browser/ui/views/autofill/autofill_dialog_views.cc
diff --git a/chrome/browser/ui/views/autofill/autofill_dialog_views.cc b/chrome/browser/ui/views/autofill/autofill_dialog_views.cc
index 64f94f56ca27a8de0a72cc003d3f8832d8f3c01b..7f0790842647b868924e21862e7f8d6e974e698a 100644
--- a/chrome/browser/ui/views/autofill/autofill_dialog_views.cc
+++ b/chrome/browser/ui/views/autofill/autofill_dialog_views.cc
@@ -539,7 +539,7 @@ void AutofillDialogViews::AccountChooser::OnMenuButtonClicked(
   if (menu_runner_->RunMenuAt(source->GetWidget(),
                               NULL,
                               source->GetBoundsInScreen(),
-                              views::MenuItemView::TOPRIGHT,
+                              ui::MENU_ANCHOR_TOPRIGHT,
                               ui::MENU_SOURCE_NONE,
                               0) == views::MenuRunner::MENU_DELETED) {
     return;
@@ -1757,7 +1757,7 @@ void AutofillDialogViews::OnMenuButtonClicked(views::View* source,
   if (menu_runner_->RunMenuAt(source->GetWidget(),
                               NULL,
                               screen_bounds,
-                              views::MenuItemView::TOPRIGHT,
+                              ui::MENU_ANCHOR_TOPRIGHT,
                               ui::MENU_SOURCE_NONE,
                               0) == views::MenuRunner::MENU_DELETED) {
     return;