Remove unused ash::SHELF_ALIGNMENT_TOP

ash/shelf/shelf_alignment_menu.cc

Index: ash/shelf/shelf_alignment_menu.cc
diff --git a/ash/shelf/shelf_alignment_menu.cc b/ash/shelf/shelf_alignment_menu.cc
index 6d67ed476831eefd77598ebad00d24a7032b4320..8a9d89326942c6f91652312384b8588966db7c55 100644
--- a/ash/shelf/shelf_alignment_menu.cc
+++ b/ash/shelf/shelf_alignment_menu.cc
@@ -34,9 +34,9 @@ ShelfAlignmentMenu::ShelfAlignmentMenu(Shelf* shelf)
 ShelfAlignmentMenu::~ShelfAlignmentMenu() {}
 
 bool ShelfAlignmentMenu::IsCommandIdChecked(int command_id) const {
-  return shelf_->SelectValueForShelfAlignment(
-      MENU_ALIGN_BOTTOM == command_id, MENU_ALIGN_LEFT == command_id,
-      MENU_ALIGN_RIGHT == command_id, false);
+  return shelf_->SelectValueForShelfAlignment(MENU_ALIGN_BOTTOM == command_id,
+                                              MENU_ALIGN_LEFT == command_id,
+                                              MENU_ALIGN_RIGHT == command_id);
 }
 
 bool ShelfAlignmentMenu::IsCommandIdEnabled(int command_id) const {