Examine source code of TPB Proxy Resolver

{
  "name": "TPB Proxy Resolver",
  "version": "1.3.2resigned1",
  "description": "Automatically load a working proxy for The Pirate Bay. Valid proxies are pulled from https://proxybay.github.io/",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "storage",
    "https://*/"
  ],
  "browser_action": {
    "default_title": "Open The Pirate Bay",
    "default_icon": {
      "128": "images/logo.png"
    }
  },
  "icons": {
    "128": "images/logo.png"
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{150b7910-4e63-4308-a683-42b682d762f3}"
    }
  }
}