Add m-esr52 at 52.6.0

1 files changed, 15 insertions, 0 deletions

diff --git a/testing/web-platform/tests/service-workers/service-worker/resources/fetch-request-fallback-iframe.html b/testing/web-platform/tests/service-workers/service-worker/resources/fetch-request-fallback-iframe.html
new file mode 100644
index 000000000..f00d24e37
--- /dev/null
+++ b/testing/web-platform/tests/service-workers/service-worker/resources/fetch-request-fallback-iframe.html
@@ -0,0 +1,15 @@
+<script>
+function xhr(url) {
+  return new Promise(function(resolve, reject) {
+      var request = new XMLHttpRequest();
+      request.addEventListener(
+        'error',
+        function(event) { reject(event); });
+      request.addEventListener(
+        'load',
+        function(event) { resolve(request.response); });
+      request.open('GET', url);
+      request.send();
+    });
+}
+</script>