Examine source code of block ur ad

{
  "name": "Ad_blocker",
  "version": "1.0",
  "description": "New Ad_blocker",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/logo_16x16.png",
    "48": "icons/logo_48x48.png",
    "128": "icons/logo_128x128.png"
  },
  "manifest_version": 2
}