Examine source code of security.csp.enable:false

{
  "manifest_version": 2,
  "name": "security.csp.enable:false",
  "version": "1.0",
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7ed92f7f-9a0a-4290-ba91-58daa312aba5}"
    }
  }
}