Examine source code of SaltBot

{
  "manifest_version": 2,
  "name": "SaltBot",
  "description": "This extension automates betting on SaltyBet.com.",
  "version": "2.7.5",
  "permissions": [
    "storage",
    "unlimitedStorage",
    "tabs",
    "alarms"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*.saltybet.com/",
        "https://*.saltybet.com/"
      ],
      "js": [
        "js/lib/FileSaver.min.js",
        "js/lib/jquery.min.js",
        "js/lib/jquery-ui.min.js",
        "js/lib/moment.min.js",
        "js/contentscript.js"
      ]
    },
    {
      "matches": [
        "http://www.twitch.tv/saltybet/chat",
        "https://www.twitch.tv/saltybet/chat",
        "https://www.twitch.tv/popout/saltybet/chat"
      ],
      "js": [
        "js/lib/jquery.min.js",
        "js/lib/moment.min.js",
        "js/chat.js"
      ]
    }
  ],
  "background": {
    "persistent": false,
    "page": "background.html"
  },
  "page_action": {
    "default_icon": "images/32.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/16.png",
    "48": "images/48.png",
    "128": "images/128.png"
  },
  "web_accessible_resources": [
    "images/ui-icons*.png",
    "css/jquery-ui.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{19d4bb02-364f-4095-b061-92cfeb308d1e}"
    }
  }
}