1 files changed, 12 insertions, 0 deletions
diff --git a/dom/workers/test/serviceworkers/claim_fetch_worker.js b/dom/workers/test/serviceworkers/claim_fetch_worker.js
new file mode 100644
index 000000000..ea62c37b8
--- /dev/null
+++ b/dom/workers/test/serviceworkers/claim_fetch_worker.js
@@ -0,0 +1,12 @@
+onfetch = function(e) {
+  if (e.request.url.indexOf("service_worker_controlled") >= 0) {
+    // pass through
+    e.respondWith(fetch(e.request));
+  } else {
+    e.respondWith(new Response("Fetch was intercepted"));
+  }
+}
+
+onmessage = function(e) {
+  clients.claim();
+}