Examine source code of Norton Safe Web

{
  "applications": {
    "gecko": {
      "id": "nortonsafeweb@symantec.com",
      "strict_min_version": "58.0"
    }
  },
  "author": "NortonLifeLock Inc",
  "background": {
    "page": "global.html"
  },
  "browser_action": {
    "default_icon": "content/images/safe-web-icon-norton-untested@2x.png",
    "default_popup": "content/ui/popup.html",
    "default_title": "__MSG_swName__"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "content/libs/uri.min.js",
        "content/scripts/SymBfwCS.js",
        "content/scripts/NSSS_CS.js",
        "content/scripts/ClientEvents.js",
        "content/scripts/beforeLoad.js"
      ],
      "match_about_blank": false,
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start"
    },
    {
      "all_frames": true,
      "js": [
        "content/scripts/initCreditCardJS.js",
        "content/libs/creditcard.min.js",
        "content/scripts/SymBfwCS.js",
        "content/scripts/NSSSCCTelemetryCS.js"
      ],
      "match_about_blank": false,
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    },
    {
      "all_frames": false,
      "js": [
        "content/scripts/multiVariateTestingCS.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle"
    },
    {
      "all_frames": true,
      "css": [
        "content/ui/annotationStyles.css"
      ],
      "include_globs": [
        "https://*.google.*/*",
        "https://nortonsafe.search.ask.com/*",
        "https://*.adsensecustomsearchads.com/*",
        "https://*.syndicatedsearch.goog/*"
      ],
      "js": [
        "content/scripts/SymBfwCS.js",
        "content/scripts/NSSS_CS.js",
        "content/libs/react-latest.min.js",
        "content/libs/react-dom-latest.min.js",
        "content/scripts/annotationCS.js"
      ],
      "matches": [
        "https://*/*"
      ],
      "run_at": "document_end"
    },
    {
      "all_frames": true,
      "css": [
        "content/ui/annotationStyles.css"
      ],
      "js": [
        "content/scripts/SymBfwCS.js",
        "content/scripts/NSSS_CS.js",
        "content/libs/react-latest.min.js",
        "content/libs/react-dom-latest.min.js",
        "content/scripts/annotationCS.js"
      ],
      "matches": [
        "https://*.syndicatedsearch.goog/*"
      ],
      "run_at": "document_end"
    },
    {
      "all_frames": false,
      "js": [
        "content/scripts/SymBfwCS.js",
        "content/scripts/BfwNotificationCenterProxy.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end"
    },
    {
      "all_frames": true,
      "js": [
        "content/scripts/SymBfwCS.js",
        "content/scripts/NSSS_CS.js",
        "content/scripts/enableAllComm.js",
        "content/scripts/webCommunication.js"
      ],
      "matches": [
        "https://*.norton.com/*",
        "https://secure.norton.myway.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "default_locale": "en",
  "description": "__MSG_swDesc__",
  "icons": {
    "16": "Icon-16.png",
    "32": "Icon-32.png",
    "48": "Icon-48.png",
    "64": "Icon-64.png",
    "128": "Icon-128.png"
  },
  "manifest_version": 2,
  "name": "__MSG_swName__",
  "permissions": [
    "tabs",
    "webNavigation",
    "activeTab",
    "storage",
    "<all_urls>",
    "alarms",
    "webRequest",
    "webRequestBlocking",
    "downloads",
    "notifications"
  ],
  "version": "3.23.0.29",
  "web_accessible_resources": [
    "content/images/*.png",
    "content/images/*.svg",
    "content/fonts/*",
    "content/scripts/*.js",
    "content/libs/*.js",
    "_locales/*",
    "content/ui/SiteRatingPane.html",
    "content/ui/content-page.css",
    "content/ui/notification.html",
    "content/defObject.json",
    "content/ui/formjackBlockPageNotification.css",
    "content/ui/formjackBlockPageNotification.js"
  ]
}