Examine source code of Bugify

{
  "name": "Bugify",
  "version": "1.0.1",
  "description": "A chrome extension inspired from pesticide. It also helps in highlighting divs and debugging. When clicked once the extension starts, on second click the extension reloads. So to remove the extension's effect after the extension is turned on, click the extension icon once and reload the page.",
  "icons": {
    "128": "icon_128.png"
  },
  "browser_action": {
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "bugify.js"
    ],
    "persistent": false
  },
  "permissions": [
    "activeTab"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{a3425b2a-0d38-46fd-90cc-b9962839ef22}"
    }
  }
}