Examine source code of ezapply

{
  "name": "ezapply",
  "author": "Luxian Digital LLC",
  "version": "1.0.0",
  "description": "A web browser extension for job automation (works for linkedin and indeed). Runs on Chrome and Firefox.",
  "icons": {
    "128": "assets/icon-128.png"
  },
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "permissions": [
    "activeTab",
    "alarms",
    "bookmarks",
    "cookies",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "*://*/*"
  ],
  "manifest_version": 2,
  "incognito": "not_allowed",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_title": "ezapply",
    "default_icon": "assets/icon-48.png",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "js": [
        "linkedin.js"
      ],
      "matches": [
        "*://www.linkedin.com/*"
      ]
    },
    {
      "js": [
        "glassdoor.js"
      ],
      "matches": [
        "*://www.glassdoor.com/*"
      ]
    }
  ]
}