1 files changed, 17 insertions, 0 deletions
diff --git a/browser/components/resistfingerprinting/test/browser/file_navigator.worker.js b/browser/components/resistfingerprinting/test/browser/file_navigator.worker.js
new file mode 100644
index 0000000000..54f75c41c3
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/browser/file_navigator.worker.js
@@ -0,0 +1,17 @@
+onconnect = function (e) {
+  let port = e.ports[0];
+
+  let navigatorObj = self.navigator;
+  let result = {};
+
+  result.appCodeName = navigatorObj.appCodeName;
+  result.appName = navigatorObj.appName;
+  result.appVersion = navigatorObj.appVersion;
+  result.platform = navigatorObj.platform;
+  result.userAgent = navigatorObj.userAgent;
+  result.product = navigatorObj.product;
+  result.hardwareConcurrency = navigatorObj.hardwareConcurrency;
+
+  port.postMessage(JSON.stringify(result));
+  port.start();
+};