Keep lazy background page alive while there are pending network requests or

chrome/test/data/extensions/api_test/lazy_background_page/wait_for_request/background.js

Index: chrome/test/data/extensions/api_test/lazy_background_page/wait_for_request/background.js
diff --git a/chrome/test/data/extensions/api_test/lazy_background_page/wait_for_request/background.js b/chrome/test/data/extensions/api_test/lazy_background_page/wait_for_request/background.js
new file mode 100644
index 0000000000000000000000000000000000000000..c17447b2b74eadc741fced6f895eefa1a4806ba7
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/lazy_background_page/wait_for_request/background.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 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.
+
+var testServerHost = "www.a.com";
+var testServerPort;
+function getServerURL(path) {
+  var host = testServerHost;
+  return "http://" + host + ":" + testServerPort + "/" + path;
+}
+
+var hangingRequest;
+function abortRequest() {
+  hangingRequest.abort();
+  window.domAutomationController.send(true);
+}
+
+chrome.experimental.extension.onInstalled.addListener(function() {
+  chrome.test.getConfig(function(config) {
+    testServerPort = config.testServer.port;
+
+    // Start a request that will "never" finish (at least, not for 1000

[Yoyo Zhou, 2012/03/02 03:10:46]

I'm mildly surprised that the test server doesn't have a never-completing
option, but I didn't see one either.

+    // minutes). The browser code will keep us alive until the request is
+    // killed.
+    hangingRequest = new XMLHttpRequest();
+    hangingRequest.onreadystatechange = function() {
+      // The request hangs, so this is only ever called once.
+      chrome.test.notifyPass();
+    }
+    hangingRequest.open("GET", getServerURL("slow?60000"), true);
+    hangingRequest.send(null);
+  });
+});