Examine source code of FB post url unhash

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "0.4.1",
  "description": "__MSG_extensionDescription__",
  "default_locale": "zh_TW",
  "browser_specific_settings": {
    "gecko": {
      "id": "{43d7631c-44a0-447f-ae79-c671a04b07e5}"
    }
  },
  "icons": {
    "64": "icons/icon-64.png"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "*://www.facebook.com/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; frame-src https://www.facebook.com;",
  "browser_action": {
    "default_icon": "icons/icon-64.png",
    "default_title": "__MSG_browserActionTitle__",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}