Examine source code of Quick note

{
  "manifest_version": 2,
  "name": "Quicknote",
  "description": "Allows the user to make quick notes by clicking a button and entering text into the resulting popup. The notes are saved in storage.",
  "version": "2.2resigned1",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_title": "Click here!",
    "default_icon": "icon/icon.png",
    "default_popup": "popup/quicknote.html"
  },
  "icons": {
    "48": "icon/quicknote-48.png"
  },
  "permissions": [
    "https://*/*",
    "http://*/*",
    "activeTab",
    "tabs",
    "geolocation",
    "storage"
  ],
  "web_accessible_resources": [
    "img/*.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c26bef6a-b824-4cc8-8606-903cae995247}"
    }
  }
}