ServiceWorker: "minimal" end-to-end sample as a W3C test

LayoutTests/http/tests/serviceworker/resources/end-to-end-worker.js

Index: LayoutTests/http/tests/serviceworker/resources/end-to-end-worker.js
diff --git a/LayoutTests/http/tests/serviceworker/resources/end-to-end-worker.js b/LayoutTests/http/tests/serviceworker/resources/end-to-end-worker.js
new file mode 100644
index 0000000000000000000000000000000000000000..4ac2e2e2893084945d36672632014f6dee05ef61
--- /dev/null
+++ b/LayoutTests/http/tests/serviceworker/resources/end-to-end-worker.js
@@ -0,0 +1,33 @@
+var port;
+var resolve;
+
+oninstall = function(e) {
+    e.waitUntil(new Promise(function(r) { resolve = r; }));
+};
+
+onactivate = function(e) {
+    port.postMessage('ping');
+    e.waitUntil(new Promise(function(r) { resolve = r; }));
+};
+
+onmessage = function(e) {
+    var message = e.data;
+    if (Object(message) === message) {
+        if ('port' in message) {
+            if (message.from === 'registering doc')
+                port = message.port;
+            var response = 'Ack for: ' + message.from;
+            try {
+                message.port.postMessage(response);
+            } catch(e) {}
+            try {
+                message.source.postMessage(response, '*');

[kinuko, 2014/04/16 03:28:38]

Let's remove this from our first end-to-end test for now

[jsbell, 2014/04/16 17:04:19]

Done.

+            } catch (e) {}
+        }
+    }
+
+    if (resolve) {
+        resolve();
+        resolve = null;
+    }
+};