Support dispatching ServiceWorker FetchEvent and receiving response

content/test/data/service_worker/fetch_event.js

Index: content/test/data/service_worker/fetch_event.js
diff --git a/content/test/data/service_worker/fetch_event.js b/content/test/data/service_worker/fetch_event.js
new file mode 100644
index 0000000000000000000000000000000000000000..67408ddd80520ada8c0c0b990ea2a9d681354834
--- /dev/null
+++ b/content/test/data/service_worker/fetch_event.js
@@ -0,0 +1,19 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+this.onfetch = function(event) {
+    response = new Response({
+        statusCode: 200,
+        statusText: 'OK',
+        method: 'GET',
+        headers: {
+            'Content-Language': 'fi',
+            'Content-Type': 'text/html; charset=UTF-8'
+        }
+    });
+
+    event.respondWith(new Promise(function(r) {
+        setTimeout(function() { r(response); }, 5);
+    }));
+};