Examine source code of OLI Simple QrCode

{
  "manifest_version": 2,
  "name": "OLI Simple QrCode",
  "description": "This extension shows a QRCODE for the current page. credits google",
  "version": "1.1resigned1",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c3b0309f-07a4-42a9-b975-697ddb040488}"
    }
  }
}