Examine source code of SSL Enforcer

{
  "name": "KB SSL Enforcer",
  "version": "2.0.6",
  "description": "Automatic security, browse encrypted.",
  "manifest_version": 2,
  "permissions": [
    "*://*/",
    "tabs",
    "webRequest",
    "webRequestBlocking"
  ],
  "icons": {
    "128": "icon.png"
  },
  "options_page": "options.html",
  "minimum_chrome_version": "17",
  "browser_action": {
    "default_icon": "icon19.png",
    "default_title": "KB SSL Enforcer",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rujbin@protonmail.com",
      "strict_min_version": "68.0"
    }
  }
}