Move another set of extension tests to manifest_version 2

chrome/test/data/extensions/api_test/permissions/nacl_enabled/background.js

+// 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.
+
+// OnNaClLoad should be called and invoking a method
+// in a NaCl module should return a correct value.
+
+var pass = chrome.test.callbackPass;
+
+chrome.test.runTests([
+  function nacl() {
+    // Nothing to do here,
+    // we call the callback when we get the notification from NaCl
+  }
+]);
+
+function OnNaClLoad() {
+  try {
+    plugin = document.getElementById('pluginobj');
+    result = plugin.helloworld();
+    if ('hello, world.' != result) {
+      chrome.test.fail();
+    }
+  } catch(e) {
+    chrome.test.fail();
+  }
+  chrome.test.succeed();
+}
+
+function OnNaClFail() {
+  chrome.test.fail();
+}