Examine source code of URL unicode verifier

{
  "manifest_version": 2,
  "name": "URL unicode verifier",
  "version": "1.2",
  "description": "This plugin checks for potential phishing attacks by analyzing the URL you are visiting for irregularities in the characters encoding.",
  "icons": {
    "48": "images/icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "unicode-verifier.js"
      ]
    }
  ],
  "permissions": [
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{26cc55c6-112e-4bf6-805f-5631ed91b75a}"
    }
  }
}