Extension docs: Include sidenav in 404 pages

chrome/common/extensions/docs/server2/integration_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 import logging
 import optparse
 import os
 import sys
 from StringIO import StringIO
@@ skipping 92 matching lines @@
       self._RunPublicTemplatesTest()
     finally:
       logging.error = logging_error
 
   def testNonexistentFile(self):
     logging.getLogger().setLevel(logging.CRITICAL)
     request = _MockRequest('extensions/junk.html')
     bad_response = _MockResponse()
     Handler(request, bad_response, local_path=BASE_PATH).get()
     self.assertEqual(404, bad_response.status)
-    request_404 = _MockRequest('404.html')
+    request_404 = _MockRequest('extensions/404.html')
     response_404 = _MockResponse()
     Handler(request_404, response_404, local_path=BASE_PATH).get()
     self.assertEqual(200, response_404.status)
     self.assertEqual(response_404.out.getvalue(), bad_response.out.getvalue())
 
   def testCron(self):
     if EXPLICIT_TEST_FILES is not None:
       return
     logging_error = logging.error
     try:
@@ skipping 32 matching lines @@
   suite.run(result)
   if result.failures:
     print('*----------------------------------*')
     print('| integration_test.py has failures |')
     print('*----------------------------------*')
     for test, failure in result.failures:
       print(test)
       print(failure)
     exit(1)
   exit(0)