Examine source code of AWS-Account-Title

{
  "manifest_version": 2,
  "name": "AWS-Account-Title",
  "version": "1.2",
  "description": "AWS Account Title - Adds the account name to the title in AWS pages.",
  "icons": {
    "48": "icons/logo-48.png"
  },
  "background": {
    "scripts": [
      "extension.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.console.aws.amazon.com/*"
      ],
      "js": [
        "extension.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cb979ee0-b2f3-4ba5-9f84-baa2d2f022b3}"
    }
  }
}