Examine source code of tinyoutubeadblocker

{
  "name": "tinyoutubeadblocker",
  "version": "1.1.0",
  "manifest_version": 2,
  "description": "A tiny youtube adblocker",
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "icons": {
    "48": "icons/48.png"
  },
  "background": {
    "persistent": true,
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": "icons/32.png",
    "default_title": "A tiny youtube adblocker"
  }
}