Move a bunch of extension API tests to manifest_version 2.

chrome/test/data/extensions/api_test/app_background_page/basic/test.js

Index: chrome/test/data/extensions/api_test/app_background_page/basic/test.js
===================================================================
--- chrome/test/data/extensions/api_test/app_background_page/basic/test.js	(revision 0)
+++ chrome/test/data/extensions/api_test/app_background_page/basic/test.js	(revision 0)
@@ -0,0 +1,79 @@
+// 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.
+
+// This test runs through an expected use of a live background page:
+// - A live (web-extent) web page is loaded (a.html), which opens the background
+//   page.
+// - The first page is closed and a second live web page is loaded (b.html),
+//   which attempts to get still-running running background page. This second
+//   page also checks a counter which should have a value consistent with being
+//   called once from each of the first and second pages.
+// - The background page closes itself.
+
+var pageA;
+var pageB;
+var backgroundPageResponded = false;
+
+var pagePrefix =
+    'http://a.com:PORT/files/extensions/api_test/app_background_page/common';
+
+// Dispatch "tunneled" functions from the live web pages to this testing page.
+chrome.extension.onRequest.addListener(function(request) {
+  window[request.name](request.args);
+});
+
+// At no point should a window be created that contains the background page
+// (bg.html).
+chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
+  if (tab.url.match("bg\.html$")) {
+    chrome.test.notifyFail("popup opened instead of background page");
+  }
+});
+
+// Start the test by opening the first page in the app.
+window.onload = function() {
+  // We wait for window.onload before getting the test config.  If the
+  // config is requested before onload, then sometimes onload has already
+  // fired by the time chrome.test.getConfig()'s callback runs.
+  chrome.test.getConfig(function(config) {
+    var a_url =
+        pagePrefix.replace(/PORT/, config.testServer.port) + '/a.html';
+    chrome.tabs.create({ 'url': a_url }, function(tab) {
+      pageA = tab;
+    });
+  });
+}
+
+// Background page opened by pageA.
+function onBackgroundPageLoaded() {
+  chrome.tabs.remove(pageA.id, function() {
+    chrome.test.getConfig(function(config) {
+      var b_url =
+          pagePrefix.replace(/PORT/, config.testServer.port) + '/b.html';
+      chrome.tabs.create({ url: b_url }, function(tab) {
+        pageB = tab;
+      });
+    });
+  });
+}
+
+// Background page responded to pageB.
+function onBackgroundPageResponded() {
+  backgroundPageResponded = true;
+}
+
+// Background page is closing itself.
+function onBackgroundPageClosing() {
+  if (!backgroundPageResponded) {
+    chrome.test.notifyFail("background never responded to pageB");
+  } else {
+    chrome.test.notifyPass();
+  }
+}
+
+// The background counter check found an unexpected value (most likely caused
+// by an unwanted navigation.
+function onCounterError() {
+  chrome.test.notifyFail("checkCounter found an unexpected value");
+}