Examine source code of ITL Web Safe

{
  "author": "http://innovanathinklabs.com/",
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/abp-16.png",
      "19": "icons/abp-19.png",
      "20": "icons/abp-20.png",
      "32": "icons/abp-32.png",
      "38": "icons/abp-38.png",
      "64": "icons/abp-64.png"
    },
    "default_popup": "popup.html",
    "default_title": "ITL Web Safe"
  },
  "icons": {
    "16": "icons/abp-16.png",
    "19": "icons/abp-19.png",
    "32": "icons/abp-32.png",
    "64": "icons/detailed/abp-64.png"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "ext/jquery-3.3.1.min.js",
        "ext/common.js",
        "ext/content.js",
        "cssProperties.js",
        "include.preload.js"
      ],
      "match_about_blank": true,
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    },
    {
      "all_frames": true,
      "js": [
        "include.postload.js"
      ],
      "match_about_blank": true,
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    },
    {
      "all_frames": false,
      "js": [
        "ext/showNeg.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    }
  ],
  "applications": {
    "gecko": {
      "id": "{5920d031-f47c-485a-bf59-d02e3cd42d4c}",
      "strict_min_version": "55.0"
    }
  },
  "default_locale": "en_US",
  "description": "ITL Web Safe blocks all malicious websites, dangerous downloads and annoying ads on all major web browsers.",
  "devtools_page": "devtools.html",
  "manifest_version": 2,
  "name": "ITL Web Safe",
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*",
    "contextMenus",
    "webRequest",
    "webRequestBlocking",
    "webNavigation",
    "storage",
    "notifications",
    "downloads",
    "downloads.open",
    "nativeMessaging",
    "activeTab",
    "alarms"
  ],
  "short_name": "ITLWebSafe",
  "version": "1.0.5"
}