Examine source code of InlineDispositionV2

{
  "manifest_version": 2,
  "name": "InlineDisposition2",
  "version": "1.1resigned1",
  "description": "Change Content-Disposition headers from 'attachment' to 'inline'. Inspired by https://addons.mozilla.org/en-US/firefox/addon/inlinedisposition/",
  "homepage_url": "https://github.com/KWierso/inlinedisposition2",
  "permissions": [
    "webRequestBlocking",
    "webRequest",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7be16fcb-a7a3-40e1-bec4-b457adf322a8}"
    }
  }
}