Examine source code of Stop Navigation by RegExp

{
  "author": "igorlogius",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "description": "",
  "icons": {
    "128": "icon.png"
  },
  "manifest_version": 2,
  "name": "stopNaviByRegEx",
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "notifications",
    "storage",
    "webRequest",
    "webNavigation",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "version": "0.1.2"
}