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

<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="#fff"><path d="M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM19 4h-3.5l-1-1h-5l-1 1H5v2h14V4z"/></svg>