Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

chrome/browser/ui/views/content_setting_bubble_contents.cc

Index: chrome/browser/ui/views/content_setting_bubble_contents.cc
diff --git a/chrome/browser/ui/views/content_setting_bubble_contents.cc b/chrome/browser/ui/views/content_setting_bubble_contents.cc
index d82392d938dd43a7c7b5798b8a080e4e8ba97d6d..9bfee0255f9d081c1cc3d2a4dd7052aa13e71fbe 100644
--- a/chrome/browser/ui/views/content_setting_bubble_contents.cc
+++ b/chrome/browser/ui/views/content_setting_bubble_contents.cc
@@ -444,13 +444,13 @@ void ContentSettingBubbleContents::OnMenuButtonClicked(
 
     gfx::Point screen_location;
     views::View::ConvertPointToScreen(j->first, &screen_location);
-    ignore_result(menu_runner_->RunMenuAt(
-        source->GetWidget(),
-        j->first,
-        gfx::Rect(screen_location, j->first->size()),
-        views::MenuItemView::TOPLEFT,
-        ui::MENU_SOURCE_NONE,
-        views::MenuRunner::HAS_MNEMONICS));
+    ignore_result(
+        menu_runner_->RunMenuAt(source->GetWidget(),
+                                j->first,
+                                gfx::Rect(screen_location, j->first->size()),
+                                views::MENU_ANCHOR_TOPLEFT,
+                                ui::MENU_SOURCE_NONE,
+                                views::MenuRunner::HAS_MNEMONICS));
 }
 
 int ContentSettingBubbleContents::GetPreferredMediaMenuWidth(