Examine source code of Global Upvote Tab

{
  "name": "Global Upvote Tab",
  "description": "Delivering the Global Upvote to your new tabs: Top voted stories across the web, summarized and updated every sixty seconds.",
  "version": "1.0.3resigned1",
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{61891f41-01e2-44c4-89be-a59418880f17}"
    }
  }
}