Examine source code of Osy Helper

{
  "manifest_version": 2,
  "name": "Execute to OSY",
  "version": "1.5",
  "permissions": [
    "contextMenus",
    "webRequest",
    "webRequestBlocking",
    "tabs",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "fktrcttd1hjlbjy@gmail.com"
    }
  }
}