chromium/ui/webui/resources/images/icon_bookmark.svg

<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32"><path d="M16 23.027 24.24 28l-2.187-9.373 7.28-6.307-9.586-.813L16 2.667l-3.747 8.84-9.586.813 7.28 6.307L7.76 28z"/></svg>