Examine source code of FreshdeskTranslator

{
  "description": "Translate Freshdesk ticket contents",
  "manifest_version": 2,
  "name": "FreshdeskTranslator",
  "version": "1.0",
  "homepage_url": "https://chriz.me",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "jquery.js",
        "main.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "activeTab",
    "tabs",
    "contextMenus",
    "webRequest",
    "storage",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": "icons/en-GB.png",
    "default_title": "Freshdesk Translation"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "chris.leung@entrust.com",
      "strict_min_version": "58.0"
    },
    "content_security_policy": "script-src 'self' https://translate.googleapis.com; object-src 'self'"
  }
}