Examine source code of Cookie Pirate

{
  "name": "Cookie Pirate",
  "description": "Keep cookies from leaving your browser.",
  "version": "1.1.0",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "cookiepirate@danmunapps.firefox"
    }
  },
  "optional_permissions": [
    "*://*/*"
  ],
  "permissions": [
    "activeTab",
    "webRequest",
    "storage",
    "cookies",
    "tabs",
    "webRequestBlocking"
  ],
  "background": {
    "scripts": [
      "./background/storage.js",
      "./background/services.js",
      "./background/install.js",
      "./background/startup.js",
      "./background/permissions.js",
      "./background/activetab.js",
      "./background/firefox.js",
      "./background/main.js"
    ]
  },
  "browser_action": {
    "default_popup": "./popup/popup.html"
  },
  "web_accessible_resources": [
    "images/logos/logo48.png",
    "ui/tl.png",
    "ui/ml.png",
    "ui/bl.png",
    "ui/tr.png",
    "ui/mr.png",
    "ui/br.png"
  ],
  "icons": {
    "16": "./images/logos/logo16.png",
    "48": "./images/logos/logo48.png",
    "128": "./images/logos/logo128.png"
  }
}