Examine source code of Search On Reddit

{
  "manifest_version": 2,
  "name": "Search On Reddit",
  "developer": {
    "name": "Hong Cheung",
    "url": "https://honged.org"
  },
  "version": "1.0",
  "permissions": [
    "tabs"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a462583a-f9ac-41c0-a001-c4b8c912ab96}"
    }
  }
}