Examine source code of SmartAdblock

{
  "author": "SmartAdblock",
  "permissions": [
    "activeTab",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "contextMenus",
    "storage",
    "unlimitedStorage"
  ],
  "background": {
    "scripts": [
      "storage.js",
      "background-script.js",
      "sample.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "19": "icons/sbgry19.png",
      "38": "icons/sbgry38.png"
    },
    "default_popup": "popup/sab.html"
  },
  "content_scripts": [
    {
      "js": [
        "popup/jquery.js",
        "content-script.js"
      ],
      "css": [
        "notif.css"
      ],
      "all_frames": true,
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "default_locale": "en",
  "description": "__MSG_extensionName__",
  "homepage_url": "https://www.smartadblock.co.uk",
  "icons": {
    "16": "icons/sab16.png",
    "32": "icons/sab32.png",
    "48": "icons/sbg48.png",
    "72": "icons/sbg72.png",
    "128": "icons/sabn128.png"
  },
  "web_accessible_resources": [
    "popup/suffix.txt,prefilter.txt"
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true,
    "open_in_tab": true
  },
  "manifest_version": 2,
  "name": "SmartAdblock",
  "short_name": "SmartAdblock",
  "version": "1.1.4"
}