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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "geteach.com/Earth QR",
  "version": "0.2",
  "icons": {
    "16": "pin16.png",
    "32": "pin32.png",
    "48": "pin48.png"
  },
  "description": "Converts Google Earth URLs to QR Code",
  "browser_action": {
    "default_title": "geteach.com/Earth QR",
    "default_popup": "earthqrPop.html"
  }
}