Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/testing/web-platform/tests/periodic-background-sync/service_workers/sw.js b/testing/web-platform/tests/periodic-background-sync/service_workers/sw.js
new file mode 100644
index 0000000000..87351c1d2f
--- /dev/null
+++ b/testing/web-platform/tests/periodic-background-sync/service_workers/sw.js
@@ -0,0 +1,16 @@
+// The source to post setup and completion results to.
+let source = null;
+
+function sendMessageToDocument(msg) {
+  source.postMessage(msg);
+}
+
+// Notify the document that the SW is registered and ready.
+self.addEventListener('message', event => {
+  source = event.source;
+  sendMessageToDocument('ready');
+});
+
+self.addEventListener('periodicsync', event => {
+  sendMessageToDocument('periodicsync event received!');
+});