Highlights the "Delete this message" link under gmail's "more" menu.
// ==UserScript==
// @name Gmail Delete Highlight
// @namespace pauls
// @include https://mail.google.com/*
// @require https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js
// @description Highlights the "Delete this message" link under gmail's "more" menu.
// @version 1
// @grant none
// ==/UserScript==
setInterval(function(){
$("[role=menu] div:contains('Delete this message'):last").css("background-color", "yellow" )
}, 1000);