Examine source code of Web REC

{
  "manifest_version": 2,
  "name": "Web REC",
  "version": "1.0.2resigned1",
  "description": "Records all your web navigation data",
  "homepage_url": "https://www.webrec.org",
  "author": "Marco Romagnolo",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "webNavigation",
    "webRequest",
    "tabs",
    "activeTab",
    "downloads",
    "browsingData",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background/Filter.js",
      "background/WebNavigation.js",
      "background/Recording.js",
      "background/Db.js",
      "background/Core.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "64": "icons/icon-64.png"
    },
    "default_title": "Web REC",
    "browser_style": true,
    "default_popup": "popup/popup-page.html"
  },
  "options_ui": {
    "page": "settings/settings.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{59e25dd0-7f7d-4b7e-bb23-fdafd7f65ac8}"
    }
  }
}