1 files changed, 10 insertions, 0 deletions
diff --git a/browser/components/resistfingerprinting/test/mochitest/worker_grandchild.js b/browser/components/resistfingerprinting/test/mochitest/worker_grandchild.js
new file mode 100644
index 0000000000..ef9940d7ab
--- /dev/null
+++ b/browser/components/resistfingerprinting/test/mochitest/worker_grandchild.js
@@ -0,0 +1,10 @@
+self.addEventListener("message", function (event) {
+  let timeStampCodes = event.data;
+
+  let timeStamps = [];
+  for (let timeStampCode of timeStampCodes) {
+    timeStamps.push(eval(timeStampCode));
+  }
+  // Send the timeStamps to the parent.
+  postMessage(timeStamps);
+});