Move another set of extension tests to manifest_version 2

chrome/test/data/extensions/api_test/permissions/experimental_disabled/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.
+
+// Calls to chrome.experimental.* functions should fail, since this extension
+// has not declared that permission.
+
+chrome.test.runTests([
+  function experimental() {
+    chrome.tabs.getSelected(null, function(tab) {
+      try {
+        chrome.experimental.processes.getProcessForTab(tab.id,
+                                                       function(process) {
+          chrome.test.fail();
+        });
+      } catch (e) {
+        chrome.test.succeed();
+      }
+    });
+  }
+]);