Examine source code of MySuperGenPass

{
  "manifest_version": 2,
  "name": "MySuperGenPass",
  "version": "0.1",
  "description": "My vision of a perfect SuperGenPass extension. This is ported from the old chrome extension that isn't in the Web Store anymore",
  "icons": {
    "16": "data/icon16.png",
    "48": "data/icon48.png",
    "128": "data/icon128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "browser_style": false,
    "default_icon": "data/icon128.png",
    "default_popup": "data/popup.html",
    "default_title": "SuperGenPass"
  }
}