Examine source code of Bitcoin Tulips

{
  "manifest_version": 2,
  "name": "Bitcoin Tulips",
  "short_name": "Bitcoin Tulips",
  "description": "Make cryptocurrency more bulbiferous.",
  "version": "1.2resigned1",
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "all_frames": true,
      "js": [
        "content_script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{417e5b1a-91ce-48a5-8254-22c51181bc22}"
    }
  }
}