投稿者: squib (開発者) - 4月 18, 2016 · 固定リンク

You can! Just translate all the text in these files and submit a pull request on BitBucket: https://bitbucket.org/squib/mail-summaries/src/0e67c216ecf9304329588c14c48b2b6fb6e58eb3/chrome/locale/en-US/?at=default