Examine source code of nHighSchoolReportProgress

{
  "manifest_version": 2,
  "name": "nHighSchoolReportProgress",
  "short_name": "nProgress",
  "version": "0.1.0.2resigned1",
  "content_scripts": [
    {
      "matches": [
        "https://secure.nnn.ed.jp/mypage/result/pc/list/index?studentTermId=*"
      ],
      "js": [
        "./main.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{268b8a63-1634-4df7-a1bd-27c9ac0abefc}"
    }
  }
}