mash: Remove shelf app menu item objects.

ash/shelf/shelf_view_unittest.cc

Index: ash/shelf/shelf_view_unittest.cc
diff --git a/ash/shelf/shelf_view_unittest.cc b/ash/shelf/shelf_view_unittest.cc
index d3a1b3d3a4c6ef74c2a2af6d0f604e8557a37832..202d2076944b3940c5b81e2bec4c55b012b40f42 100644
--- a/ash/shelf/shelf_view_unittest.cc
+++ b/ash/shelf/shelf_view_unittest.cc
@@ -1957,8 +1957,8 @@ class ListMenuShelfItemDelegate : public TestShelfItemDelegate {
   ShelfAppMenuItemList GetAppMenuItems(int event_flags) override {
     ShelfAppMenuItemList items;
     base::string16 title = base::ASCIIToUTF16("title");
-    items.push_back(base::MakeUnique<ShelfApplicationMenuItem>(title));
-    items.push_back(base::MakeUnique<ShelfApplicationMenuItem>(title));
+    items.push_back(base::MakeUnique<ShelfApplicationMenuItem>(0, title));
+    items.push_back(base::MakeUnique<ShelfApplicationMenuItem>(1, title));
     return items;
   }