Examine source code of Scientific Paper Finder

{
  "manifest_version": 2,
  "name": "Scientific Paper Finder",
  "version": "1.0",
  "description": "Quickly search for scientific papers from multiple sources",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{eb26915a-15b1-40a0-a92b-165cdee5421d}"
    }
  }
}