Examine source code of TextyTab express panel

{
  "manifest_version": 2,
  "name": "TextyTab",
  "version": "0.61",
  "description": "TEXT onlY express panel with nice URL preview!",
  "browser_specific_settings": {
    "gecko": {
      "id": "thefuckingmail@rul.et"
    }
  },
  "icons": {
    "32": "icon.png"
  },
  "browser_action": {
    "default_area": "tabstrip",
    "default_icon": "icon.png",
    "default_popup": "expressPanel.html?popup"
  },
  "background": {
    "scripts": [
      "lib.js",
      "tyt.js?type=background",
      "background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "tabs",
    "bookmarks",
    "search"
  ],
  "chrome_settings_overrides": {
    "homepage": "expressPanel.html"
  },
  "chrome_url_overrides": {
    "newtab": "expressPanel.html"
  }
}