Examine source code of openoox-import-bookmarks

{
  "manifest_version": 2,
  "name": "Openoox | Awesome Bookmark Tool",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "0.2.8resigned1",
  "permissions": [
    "http://*/*",
    "https://*/*",
    "bookmarks",
    "declarativeContent",
    "tabs"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "page_action": {
    "default_icon": "img/icon-48.png",
    "default_title": "Openoox | Awesome Bookmark Tool"
  },
  "externally_connectable": {
    "matches": [
      "*://*.openoox.com/*"
    ]
  },
  "icons": {
    "16": "img/icon-16.png",
    "32": "img/icon-32.png",
    "48": "img/icon-48.png",
    "64": "img/icon-64.png",
    "128": "img/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "jid1-Zu6dSanzePQUqg@jetpack"
    }
  }
}