Examine source code of Session Cookie Switcher

{
  "manifest_version": 2,
  "name": "Session Cookie Switcher",
  "version": "1.0.4",
  "description": "Session management and environment switching for OneDome",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "cookies",
    "storage",
    "tabs",
    "http://localhost/*",
    "http://localhost:3000/*",
    "http://localhost:7700/*",
    "http://localhost:8083/*",
    "http://localhost:8085/*",
    "http://localhost:8090/*",
    "https://*.qa.onedome.com/*",
    "https://*.dev.onedome.com/*"
  ],
  "incognito": "spanning",
  "browser_specific_settings": {
    "gecko": {
      "id": "session-cookie-switcher@onedome.local",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}