Examine source code of web0.cc

{
  "manifest_version": 2,
  "version": "1.0.2",
  "default_locale": "en",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "contextMenus"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "web0-ext@gonguet.com"
    }
  },
  "background": {
    "scripts": [
      "/scripts/background.js"
    ],
    "persistent": false
  }
}