Add m-esr52 at 52.6.0

1 files changed, 21 insertions, 0 deletions

diff --git a/dom/workers/test/serviceworkers/serviceworker_not_sharedworker.js b/dom/workers/test/serviceworkers/serviceworker_not_sharedworker.js
new file mode 100644
index 000000000..077da2366
--- /dev/null
+++ b/dom/workers/test/serviceworkers/serviceworker_not_sharedworker.js
@@ -0,0 +1,21 @@
+function OnMessage(e)
+{
+  if (e.data.msg == "whoareyou") {
+    if ("ServiceWorker" in self) {
+      self.clients.matchAll().then(function(clients) {
+        clients[0].postMessage({result: "serviceworker"});
+      });
+    } else {
+      port.postMessage({result: "sharedworker"});
+    }
+  }
+};
+
+var port;
+onconnect = function(e) {
+  port = e.ports[0];
+  port.onmessage = OnMessage;
+  port.start();
+};
+
+onmessage = OnMessage;