Examine source code of MailerHunt - Easy Email Tracker

{
  "icons": {
    "16": "icon16.plasmo.e7bcd3ac.png",
    "32": "icon32.plasmo.ce39377b.png",
    "48": "icon48.plasmo.3c17e113.png",
    "64": "icon64.plasmo.df317abe.png",
    "128": "icon128.plasmo.6a4310c5.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.plasmo.e7bcd3ac.png",
      "32": "icon32.plasmo.ce39377b.png",
      "48": "icon48.plasmo.3c17e113.png",
      "64": "icon64.plasmo.df317abe.png",
      "128": "icon128.plasmo.6a4310c5.png"
    },
    "default_popup": "popup.html"
  },
  "version": "1.0.6",
  "author": "MailerHunt <hello@mailerhunt.com>",
  "name": "MailerHunt - Easy Email Tracker",
  "description": "See when your Gmail emails get opened and your links get clicked. No branding, no noise, all inside Gmail.",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "permissions": [
    "storage",
    "scripting",
    "tabs",
    "alarms",
    "https://mail.google.com/*",
    "https://*.mailerhunt.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.mailerhunt.com/*",
        "https://mailerhunt.com/*"
      ],
      "js": [
        "auth-bridge.03e9f110.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "gmail-send-bridge.9362e85b.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "self-open-guard.ed39fd29.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "action-center.098e0677.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "activate-alert.e19cd778.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "mail-details.f4e65b12.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "mail-thread-summery.aa9358e3.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "maillist-status.67f1159a.js"
      ],
      "css": []
    },
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "tracking-panel.b0d0c04f.js"
      ],
      "css": []
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "easy-email-tracker@mailerhunt.com",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "personalCommunications",
          "locationInfo",
          "authenticationInfo"
        ],
        "optional": []
      }
    }
  },
  "web_accessible_resources": [
    "action-center.97dea73a.css"
  ]
}