Examine source code of French Academic Proxy

{
  "manifest_version": 2,
  "name": "French Academic Proxy",
  "version": "1.3.1",
  "author": "Nikolas Karalis",
  "description": "This is an extension that automatically changes the URL of journal websites to provide access through the Inserm or CNRS proxy.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "activeTab",
    "<all_urls>",
    "http://*/*",
    "https://*/*"
  ],
  "icons": {
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_icon": "icons/48.png",
    "default_title": "Copy URL"
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{735373b1-89fe-4169-a400-56e687609ad5}"
    }
  }
}