Lula Livre Replacer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Lula Livre Replacer",
  "version": "1.0.0",
  "description": "Uma extensão que troca o texto Lula Livre por O Lula Tá Preso, Babaca!",
  "permissions": [
    "activeTab",
    "tabs",
    "declarativeContent",
    "storage"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "persistent": false
  },
  "page_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "css/custom.css"
      ],
      "js": [
        "js/custom.js"
      ]
    }
  ],
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "manifest_version": 2
}