Examine source code of No Romaji

{
  "manifest_version": 2,
  "name": "No Romaji",
  "version": "1.0",
  "description": "Removes romaji from assessments on japanesepod101.",
  "icons": {
    "48": "icons/no-romaji-48.png",
    "96": "icons/no-romaji-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.japanesepod101.com/member/assignments*"
      ],
      "js": [
        "no_romaji.js"
      ]
    }
  ]
}