Examine source code of 1Password SaaS Manager

{
  "manifest_version": 2,
  "name": "1Password SaaS Manager",
  "version": "1.4.4",
  "default_locale": "en",
  "description": "Keep track of the SaaS applications that you're using.",
  "icons": {
    "16": "icons/saas_manager_logo_16.png",
    "32": "icons/saas_manager_logo_32.png",
    "48": "icons/saas_manager_logo_48.png",
    "128": "icons/saas_manager_logo_128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "content.js"
      ]
    },
    {
      "matches": [
        "https://*.trelica.com/Account*",
        "https://*.trelica.com/BrowserExtension*",
        "https://*.trelica.app/Account*",
        "https://*.trelica.app/BrowserExtension*",
        "https://*.trelica.eu/Account*",
        "https://*.trelica.eu/BrowserExtension*"
      ],
      "run_at": "document_start",
      "js": [
        "browserLogin.js"
      ]
    }
  ],
  "permissions": [
    "alarms",
    "identity",
    "tabs",
    "storage",
    "notifications",
    "management",
    "cookies",
    "scripting",
    "nativeMessaging",
    "https://*.trelica.com/",
    "https://*.trelica.app/",
    "https://*.trelica.eu/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "browserextension@trelica.com"
    }
  },
  "browser_action": {
    "default_popup": "popup.html"
  }
}