Examine source code of Remove Query Params

{
  "description": "Reloads all pages without its query params",
  "manifest_version": 2,
  "name": "Remove Query Params",
  "version": "1.0.2",
  "icons": {
    "48": "icons/beasts-48.png"
  },
  "permissions": [
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background-script.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/beasts-32.png",
    "default_title": "Remove Query Params"
  }
}