Examine source code of NoBoredom

{
  "description": "entertains if ur bored",
  "manifest_version": 2,
  "name": "NoBoredom",
  "version": "1.1resigned1",
  "icons": {
    "48": "icons/smile.png"
  },
  "permissions": [
    "activeTab",
    "alarms",
    "tabs"
  ],
  "page_action": {
    "default_icon": "icons/chillout-32.png",
    "default_title": "R U BORED!! CLICK TO ENJOY",
    "default_popup": "popup/choose_beast.html"
  },
  "background": {
    "scripts": [
      "borebackground.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{484d6e43-bf5c-49b1-bdec-3553ef186053}"
    }
  }
}