Examine source code of Eu to pro

{
  "manifest_version": 2,
  "name": "Eu to pro",
  "short_name": "Eu to pro",
  "description": "Change .eu from StreamCloud to .pro",
  "version": "2resigned1",
  "minimum_chrome_version": "38",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://streamcloud.eu/*"
      ],
      "js": [
        "main.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cb7e1889-ff05-4a95-94ec-66905b4214ab}"
    }
  }
}