manifest.json

{
  "name": "Labs for Google Plus",
  "version": "2.0.0",
  "description": "Extends Google+ with a couple of neat labs features.",
  "icons": {
    "16": "img/icon16.png",
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "tabs",
    "https://plus.google.com/*",
    "http://plus.google.com/*",
    "http://talkgadget.google.com/*",
    "https://talkgadget.google.com/*"
   ],
  "options_page": "options.html",
  "background_page": "background.html",
  "content_scripts": [{
      "matches": [
        "https://plus.google.com/*",
        "http://plus.google.com/*",
        "http://talkgadget.google.com/*",
        "https://talkgadget.google.com/*"
       ],
      "js": [
        "js/functions.js",
        "js/labs_enum.js",
        "js/injection.js"
      ],
      "run_at": "document_end",
      "all_frames": true
  }]
}