manifest.json

{
  "name": "My Hangouts for Google Plus",
  "version": "5.5.1",
  "manifest_version": 1,
  "description": "A better way to enjoy Hangouts on Google+ with Screen Captures and Editing, Maps, Circle Watching, for public and limited hangouts!",
  "icons": {
    "16": "img/icon16.png",
    "32": "img/icon32.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "unlimitedStorage",
    "notifications",
    "https://plus.google.com/*"
  ],
  "background": {
    "scripts": [
      "/js/modules/options/settings.js",
      "/js/libs/jquery-1.7.1.min.js",
      "/js/libs/underscore-1.1.6.js",
      "/js/libs/jquery.timeago.js",
      "/js/jsapi/jsapi_helper.js",
      "/js/jsapi/jsapi_abstract_database.js",
      "/js/jsapi/jsapi_database.js",
      "/js/jsapi/jsapi_for_google_plus.js",
      "/js/jsapi_database_override.js",
      "/js/modules/statistics/statistics_backend.js",
      "/js/modules/capture_moments/capture_backend.js",
      "/js/modules/circle_notifier/circle_notifier.js",
      "/js/modules/maps/map_api.js",
      "/js/modules/maps/map_backend.js",
      "/js/hangout_updater.js",
      "/js/browser_action_controller.js",
      "/js/background_controller.js"
    ]
  },
  "browser_action": {
    "default_title": "My Hangouts",
    "default_popup": "popup.html"
  },
  "content_scripts": [{
    "matches": ["https://plus.google.com/hangouts/_/*", "https://talkgadget.google.com/hangouts/_/*"],
    "js": ["/js/my_hangout_injection.js"],
    "run_at": "document_end",
    "all_frames": true
  }]
}