Examine source code of Casual Quora

{
  "manifest_version": 2,
  "name": "Casual Quora",
  "version": "1.1.1",
  "description": "Removes the Quora login pop-up.",
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*.quora.com/*"
  ],
  "icons": {
    "32": "icons/casual_quora_32.png",
    "48": "icons/casual_quora_48.png",
    "64": "icons/casual_quora_64.png",
    "128": "icons/casual_quora_128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "carpenter.nicklas@gmail.com"
    }
  }
}