Bookmarks clean up

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "Find and remove duplicated bookmarks manually and in batches, get rid of broken bookmark links and empty folders.",
  "version": "0.1.0",
  "manifest_version": 2,
  "name": "Bookmarks clean up",
  "icons": {
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "32": "icons/icon32.png",
      "64": "icons/icon64.png"
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "bookmarks"
  ],
  "optional_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "options_ui": {
    "page": "options.html"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'"
}