Fixed the policy.PolicyTest.testJavascriptPolicies test.

chrome/test/functional/policy.py

 #!/usr/bin/python
 # 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.
 
 import logging
 
 import pyauto_functional  # must come before pyauto.
 import pyauto
 from pyauto_errors import JSONInterfaceError
@@ skipping 125 matching lines @@
 
     policy['DeveloperToolsDisabled'] = False
     self.SetPolicies(policy)
     self.assertTrue(self.IsJavascriptEnabled())
     self.assertTrue(self.IsMenuCommandEnabled(pyauto.IDC_DEV_TOOLS))
     self.assertTrue(self.IsMenuCommandEnabled(pyauto.IDC_DEV_TOOLS_CONSOLE))
 
     # The Developer Tools still work when javascript is disabled.
     policy['JavascriptEnabled'] = False
     self.SetPolicies(policy)
+    self.NavigateToURL('about:blank')
     self.assertFalse(self.IsJavascriptEnabled())
     self.assertTrue(self.IsMenuCommandEnabled(pyauto.IDC_DEV_TOOLS))
     self.assertTrue(self.IsMenuCommandEnabled(pyauto.IDC_DEV_TOOLS_CONSOLE))
     # Javascript is always enabled for internal Chrome pages.
     self.NavigateToURL('chrome://settings')
     self.assertTrue(self.IsJavascriptEnabled())
 
     # The Developer Tools can be explicitly disabled.
     policy['DeveloperToolsDisabled'] = True
     self.SetPolicies(policy)
@@ skipping 30 matching lines @@
         'Disable3DAPIs': True
     })
     self.assertTrue(self.GetPrefsInfo().Prefs(pyauto.kDisable3DAPIs))
     # The Disable3DAPIs policy only applies updated values to new renderers.
     self.RestartRenderer()
     self.assertFalse(self.IsWebGLEnabled())
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()