Examine source code of Netflix Watched List

{
  "manifest_version": 2,
  "name": "Netflix Watched List",
  "short_name": "NetflixWatchedList",
  "author": "Dariusz Kozlowski",
  "description": "Select and hide watched movies and shows on Netflix.",
  "version": "0.4.3resigned1",
  "icons": {
    "16": "images/16.png",
    "32": "images/32.png",
    "48": "images/48.png",
    "128": "images/128.png"
  },
  "web_accessible_resources": [
    "images/*"
  ],
  "browser_action": {
    "default_icon": {
      "16": "images/16.png",
      "32": "images/32.png"
    },
    "default_title": "Netflix Watched List",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.netflix.com/*"
      ],
      "js": [
        "jquery.js",
        "watched.js"
      ],
      "css": [
        "styles.css"
      ]
    }
  ],
  "permissions": [
    "https://www.imdb.com/",
    "https://www.omdbapi.com/?i=",
    "storage",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "jquery.js",
      "background.js"
    ],
    "persistent": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3977e90-ae20-4cef-8630-bde0b18a3441}"
    }
  }
}