Examine source code of Talentgrabber

{
  "manifest_version": 2,
  "name": "Talentgrabber",
  "version": "4.4",
  "browser_specific_settings": {
    "gecko": {
      "id": "talentgrabber@rexx-systems"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/jquery.min.js",
        "js/content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "image/talentgrabber-main-d.ico",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "image/talentgrabber-main.ico",
    "48": "image/talentgrabber-main.ico",
    "128": "image/talentgrabber-main.ico"
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "http://*/",
    "https://*/"
  ]
}