misc/chrome/gophertool/manifest.json

{
  "name": "Hacking Gopher",
  "version": "1.0",
  "description": "Go Hacking utility",
  "browser_action": {
    "default_icon": "gopher.png",
    "popup": "popup.html"
  },
  "permissions": [
     "tabs"
  ]
}