Examine source code of Google Translate ∧Permissions

{
  "manifest_version": 2,
  "name": "Google Translate",
  "description": "Do that Google Translate with minimal permissions! Supported by a privacy GURU.",
  "version": "3.9.1",
  "author": "Jared Cox",
  "homepage_url": "https://github.com/mold-resistant/to-google-translate",
  "default_locale": "en",
  "icons": {
    "16": "icons/logo-16.png",
    "32": "icons/logo-32.png",
    "48": "icons/logo-48.png",
    "96": "icons/logo-96.png"
  },
  "options_ui": {
    "page": "src/options/options.html"
  },
  "background": {
    "scripts": [
      "src/config.js",
      "src/background/translate.js"
    ]
  },
  "browser_action": {
    "default_title": "Google Translate",
    "default_icon": {
      "16": "icons/logo-16.png",
      "32": "icons/logo-32.png",
      "48": "icons/logo-48.png",
      "96": "icons/logo-96.png"
    },
    "default_popup": "src/popup/popup.html"
  },
  "permissions": [
    "contextMenus",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "https://translate.google.com/*",
    "https://translate.google.cn/*"
  ],
  "web_accessible_resources": [
    "icons/help.png",
    "supported_languages.json"
  ],
  "applications": {
    "gecko": {
      "id": "jid1-93WyvpgvxzGATy@jetpack"
    }
  }
}