Examine source code of Helium 10 Plus

{
  "manifest_version": 2,
  "name": "Helium 10",
  "short_name": "Helium 10",
  "description": "Powerful Amazon and Walmart product research. Dive deep into marketplace data to assess competition, demand, opportunity & more.",
  "version": "8.12.2",
  "version_name": "8.12.2",
  "author": "Helium10 <support@helium10.com>",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "background": {
    "scripts": [
      "background-script.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icon/16-off.png",
      "48": "icon/48.png"
    },
    "default_title": "Helium 10",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.helium-dev.com/*",
        "*://*.helium10-dev.com/*",
        "*://*.helium10.com/*",
        "*://*.helium-staging.com/*"
      ],
      "css": [],
      "js": [
        "vendors.js",
        "helium-script.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    },
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.amazon.ca/*",
        "*://*.amazon.com.mx/*",
        "*://*.amazon.de/*",
        "*://*.amazon.es/*",
        "*://*.amazon.it/*",
        "*://*.amazon.fr/*",
        "*://*.amazon.co.uk/*",
        "*://*.amazon.nl/*",
        "*://*.amazon.in/*",
        "*://*.amazon.com.au/*",
        "*://*.amazon.co.jp/*",
        "*://*.amazon.com.br/*",
        "*://*.amazon.ae/*"
      ],
      "css": [],
      "js": [
        "vendors.js",
        "amazon-script.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    },
    {
      "matches": [
        "*://*.walmart.com/*"
      ],
      "css": [],
      "js": [
        "vendors.js",
        "walmart-script.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    },
    {
      "matches": [
        "*://*/*"
      ],
      "css": [],
      "js": [
        "vendors.js",
        "shopify-script.js"
      ],
      "run_at": "document_end",
      "all_frames": false
    }
  ],
  "options_page": "options.html",
  "incognito": "spanning",
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "permissions": [
    "background",
    "activeTab",
    "tabs",
    "storage",
    "unlimitedStorage",
    "*://*/*"
  ],
  "optional_permissions": [],
  "externally_connectable": {
    "matches": [
      "*://*.helium-dev.com/*",
      "*://*.helium10.com/*",
      "*://*.helium-staging.com/*"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{83bf0333-6848-4579-896d-abebc9691c47}"
    }
  }
}