Move yet another block of tests to manifest_version 2

chrome/test/data/extensions/api_test/messaging/event_url/test.html

-<script>
-var messages = [];
-
-function messageReceived(data) {
-  messages.push(data);
-}
-
-function evaluateMessages() {
-  if (messages.length != 3)
-    chrome.test.notifyFail("Got " + messages.length + " messages instead of 3");
-  else if (messages[0] != "no restriction" ||
-           messages[1] != "http://a.com/" ||
-           messages[2] != "last message")
-    chrome.test.notifyFail("Got wrong messages: " + messages[0] + ", " +
-                           messages[1] + ", " + messages[2]);
-  else
-    chrome.test.notifyPass();
-}
-
-
-chrome.test.onMessage.addListener(function (info) {
-    messageReceived(info.data);
-    if (info.lastMessage)
-      evaluateMessages();
-});
-</script>
+<!--
+ * Copyright (c) 2011 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.
+-->
+<script src="test.js"></script>