Examine source code of BBC World News

{
  "manifest_version": 2,
  "name": "BBC World News",
  "version": "1.0",
  "description": "BBC World News straight into your address bar",
  "homepage_url": "https://github.com/privatedev11/bbc-world-news-unofficial",
  "icons": {
    "48": "icons/48.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icons/48.png",
    "default_title": "BBC World News",
    "default_popup": "popup/index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9c5c8842-0b80-42ee-ac0d-53215993db6b}",
      "strict_min_version": "42.0"
    }
  }
}