Examine source code of Browser Check

{
  "name": "Automation 360 Staging",
  "version": "1.7.0.0",
  "manifest_version": 2,
  "description": "Automation 360 Staging extension to automate HTML based web applications in FireFox.",
  "content_security_policy": "script-src 'self'; object-src 'self'; child-src 'none';font-src 'none';img-src 'none';media-src 'none';report-uri 'none'; worker-src 'none'; frame-ancestors 'none'; style-src 'none'; form-action 'none'; frame-src 'none'; manifest-src 'none'; prefetch-src 'none'; navigate-to 'none';",
  "background": {
    "page": "background.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "firefoxextension-vA360_staging@automationanywhere.com"
    }
  },
  "browser_action": {
    "default_icon": {
      "19": "images/AAE20.png",
      "38": "images/AAE40.png"
    }
  },
  "icons": {
    "16": "images/AAE16.png",
    "48": "images/AAE50.png",
    "128": "images/AAE128.png"
  },
  "permissions": [
    "nativeMessaging",
    "tabs",
    "webNavigation",
    "http://*/*",
    "https://*/*",
    "file://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "file://*/*"
      ],
      "js": [
        "AALogger.js",
        "HTMLRecorder.js",
        "HTMLBridgeAction.js",
        "FirefoxHTMLExtensionBridge.js",
        "HTMLBrowserAction.js",
        "HTMLActionData.js",
        "HTMLEnum.js",
        "HTMLObject.js",
        "HTMLObjectSearch.js",
        "HTMLResult.js",
        "HTMLExecutor.js",
        "HTMLObjectNode.js",
        "HTMLCommon.js",
        "HTMLFrameInfo.js",
        "HTMLPluginObject.js",
        "HTMLWindowAvatar.js",
        "HTMLObjectPath.js",
        "HTMLJavascriptDOMXPath.js",
        "HTMLAACommon.js",
        "DetectFramework.js",
        "HTMLMapper.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ]
}