Extensions Update Notifier

拡張機能の更新を通知する

https://lh3.googleusercontent.com/OMv2zDf2SS5U1RCAaeh0ua-E1K4y5tWr66_HZxRVEYY7keKwdGq47kdj2s_ZbApIdodJr1nbo_rFte1As7GxKACYogs=w128-h128-e365-rj-sc0x00ffffff#.png https://chrome.google.com/webstore/detail/extensions-update-notifie/nlldbplhbaopldicmcoogopmkonpebjm