Examine source code of EscapistPlus

{
  "manifest_version": 2,
  "name": "EscapistPlus",
  "short_name": "EscapistPlus",
  "version": "1.2.6resigned1",
  "applications": {
    "gecko": {
      "id": "escapistPlus@luckymouse.nl"
    }
  },
  "description": "Improving the Escapist Magazine's website, one byte at a time.",
  "icons": {
    "48": "icons/logo-n-48.png",
    "96": "icons/logo-n-96.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_popup": "popup/quickmenu.html",
    "default_icon": {
      "16": "icons/icon-n-16.png",
      "32": "icons/icon-n-32.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.escapistmagazine.com/forums/*"
      ],
      "js": [
        "background.messenger.js",
        "escapistPlus.class.webm.js",
        "escapistPlus.class.postAssistant.js",
        "escapistPlus.page.forumThread.js"
      ]
    },
    {
      "matches": [
        "*://*.escapistmagazine.com/groups/*"
      ],
      "js": [
        "background.messenger.js",
        "escapistPlus.class.webm.js",
        "escapistPlus.class.postAssistant.js",
        "escapistPlus.page.groups.js"
      ],
      "css": [
        "escapistPlus.style.groups.css"
      ]
    },
    {
      "matches": [
        "*://*.escapistmagazine.com/profiles/ignore*",
        "*://*.escapistmagazine.com/profiles/add_ignore*",
        "*://*.escapistmagazine.com/profiles/process_add_ignore.php*"
      ],
      "js": [
        "background.messenger.js",
        "escapistPlus.class.ignoreList.js"
      ]
    },
    {
      "matches": [
        "*://*.escapistmagazine.com/*"
      ],
      "css": [
        "escapistPlus.style.minorCss.css"
      ],
      "js": [
        "escapistPlus.systemWide.js"
      ]
    },
    {
      "matches": [
        "*://*.webmshare.com/*"
      ],
      "js": [
        "background.messenger.js",
        "webshareJs.js"
      ]
    }
  ],
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "tabs",
    "http://www.escapistmagazine.com/profiles/ajax/messages.php"
  ],
  "background": {
    "page": "background.html"
  }
}