Examine source code of Fraudscore

{
  "manifest_version": 2,
  "name": "Fraudscore",
  "description": "",
  "default_locale": "en",
  "permissions": [
    "<all_urls>",
    "tabs",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "webNavigation"
  ],
  "web_accessible_resources": [
    "res/blocking/blank.html",
    "res/blocking/block.html",
    "res/blocking/dot.gif",
    "res/scripts/jquery-1.12.4.min.js",
    "res/scripts/block_page.js"
  ],
  "icons": {
    "16": "res/icons/icon16.png",
    "19": "res/icons/icon19.png",
    "32": "res/icons/icon32.png",
    "38": "res/icons/icon38.png",
    "48": "res/icons/icon48.png",
    "128": "res/icons/icon128.png",
    "256": "res/icons/icon256.png"
  },
  "browser_action": {
    "default_icon": {
      "19": "res/icons/icon19.png",
      "38": "res/icons/icon38.png"
    },
    "default_title": "Fraudscore",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "fraudsco@re.net"
    }
  },
  "version": "0.3.70resigned1"
}