Update more extension manifests to manifest_version 2

chrome/test/data/extensions/browsertest/last_error/bg.js

Index: chrome/test/data/extensions/browsertest/last_error/bg.js
===================================================================
--- chrome/test/data/extensions/browsertest/last_error/bg.js	(revision 0)
+++ chrome/test/data/extensions/browsertest/last_error/bg.js	(revision 0)
@@ -0,0 +1,59 @@
+// 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.
+
+function fail() {
+  window.domAutomationController.send(false);
+  throw "Failed!";
+}
+
+function succeed() {
+  window.domAutomationController.send(true);
+}
+
+function testLastError() {
+  // Make sure lastError is not yet set
+  if (chrome.tabs.lastError)
+    fail();
+  
+  var maxTabId = 0;
+
+  // Find the highest tab id
+  chrome.windows.getAll({populate:true}, function(windows) {
+    // Make sure lastError is still not set. (this call have should succeeded).
+    if (chrome.tabs.lastError)
+      fail();
+
+    for (var i = 0; i < windows.length; i++) {
+      var win = windows[i];
+      for (var j = 0; j < win.tabs.length; j++) {
+        var tab = win.tabs[j];
+        if (tab.id > maxTabId)
+          maxTabId = tab.id;
+      }
+    }
+          
+    // Now ask for the next highest tabId.
+    chrome.tabs.get(maxTabId + 1, function(tab) {
+      // Make sure lastError *is* set and tab is not.
+      if (!chrome.extension.lastError ||
+          !chrome.extension.lastError.message ||
+          tab)
+        fail();
+      
+      window.setTimeout(finish, 10);
+    });
+  });
+}
+
+function finish() {
+  // Now make sure lastError is unset outside the callback context.
+  if (chrome.tabs.lastError)
+    fail();
+    
+  succeed();
+}
+
+document.documentElement.addEventListener("click", function() {
+  testLastError();
+}, true);