Move another bunch of extension API tests to manifest_version 2.

chrome/test/data/extensions/api_test/clipboard/extension/test.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.
+
 // Clipboard permission test for Chrome.
 // browser_tests.exe --gtest_filter=ClipboardApiTest.Extension
 
 chrome.test.runTests([
   function domCopy() {
     if (document.execCommand('copy'))
       chrome.test.succeed();
     else
       chrome.test.fail('execCommand("copy") failed');
   },
   function domPaste() {
     if (document.execCommand('paste'))
       chrome.test.succeed();
     else
       chrome.test.fail('execCommand("paste") failed');
   }
 ]);