1 files changed, 22 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resource-timing/resources/worker_with_images.js b/testing/web-platform/tests/resource-timing/resources/worker_with_images.js
new file mode 100644
index 0000000000..1fa4893201
--- /dev/null
+++ b/testing/web-platform/tests/resource-timing/resources/worker_with_images.js
@@ -0,0 +1,22 @@
+let numComplete = 0;
+
+function checkDone() {
+  ++numComplete;
+  if (numComplete == 2) {
+    const numEntries = performance.getEntries().length;
+    postMessage(numEntries);
+  }
+}
+
+function makeRequest(request) {
+  var xhr = new XMLHttpRequest;
+  xhr.open('get', request, true);
+  xhr.onreadystatechange = function() {
+    if (xhr.readyState == 4) {
+      checkDone();
+    }
+  }
+  xhr.send();
+}
+makeRequest('blue.png');
+makeRequest('resource_timing_test0.png');