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

<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24"><path d="M0 0h24v24H0V0z" fill="none"/><path d="m20.41 4.94-1.35-1.35c-.78-.78-2.05-.78-2.83 0L13.4 6.41 3 16.82V21h4.18l10.46-10.46 2.77-2.77c.79-.78.79-2.05 0-2.83zm-14 14.12L5 19v-1.36l9.82-9.82 1.41 1.41-9.82 9.83z"/></svg>