Do not run gtalk tests with sandbox disabled

chrome/test/functional/gtalk/gtalk_base_test.py

 # 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.
 
 """Base GTalk tests.
 
 This module contains a set of common utilities for querying
 and manipulating the Google Talk Chrome Extension.
 """
 
 import logging
 import re
 import os
 
 import pyauto_gtalk
 import pyauto
 import pyauto_errors
 
 
 class GTalkBaseTest(pyauto.PyUITest):
   """Base test class for testing GTalk."""
 
   _injected_js = None
 
-  def ExtraChromeFlags(self):
-    return pyauto.PyUITest.ExtraChromeFlags(self) + ['--no-sandbox']
-
   def Prompt(self, text):
     """Pause execution with debug output.
 
     Args:
       text: The debug output.
     """
     text = str(text)
     raw_input('--------------------> ' + text)
 
   def InstallGTalkExtension(self, gtalk_version):
@@ skipping 219 matching lines @@
             return tab
           i = i + 1
     return None
 
   def _GetInjectedJs(self):
     """Get the javascript to inject in the execution environment."""
     if self._injected_js is None:
       self._injected_js = open(
           os.path.join(os.path.dirname(__file__), 'jsutils.js')).read()
     return self._injected_js