Examine source code of Blurd

{
  "manifest_version": 2,
  "name": "Blurd",
  "version": "1.1resigned1",
  "description": "Blur the webpage when typing sensitive content",
  "icons": {
    "48": "icons/48x48.jpg",
    "96": "icons/96x96.jpg"
  },
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_icon": "icons/96x96.jpg",
    "default_title": "Blurd",
    "default_popup": "popup/options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "Blurd_JS.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{386726de-0611-4097-ad29-b4ca5619d12b}"
    }
  }
}