Increase the timeout for the RefreshPolicies() automation hook.

chrome/test/pyautolib/pyauto.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.
 
 """PyAuto: Python Interface to Chromium's Automation Proxy.
 
 PyAuto uses swig to expose Automation Proxy interfaces to Python.
 For complete documentation on the functionality available,
 run pydoc on this file.
@@ skipping 3883 matching lines @@
     return self._GetResultFromJSONRequest(cmd_dict)
 
   def RefreshPolicies(self):
     """Refreshes all the available policy providers.
 
     Each policy provider will reload its policy source and push the updated
     policies. This call waits for the new policies to be applied; any policies
     installed before this call is issued are guaranteed to be ready after it
     returns.
     """
+    # TODO(craigdh): Determine the root cause of RefreshPolicies' flakiness.
+    #                See crosbug.com/30221
+    timeout = PyUITest.ActionTimeoutChanger(self, 3 * 60 * 1000)
     cmd_dict = { 'command': 'RefreshPolicies' }
     self._GetResultFromJSONRequest(cmd_dict, windex=None)
 
   def SubmitForm(self, form_id, tab_index=0, windex=0, frame_xpath=''):
     """Submits the given form ID, and returns after it has been submitted.
 
     Args:
       form_id: the id attribute of the form to submit.
 
     Returns: true on success.
@@ skipping 1517 matching lines @@
     successful = result.wasSuccessful()
     if not successful:
       pyauto_tests_file = os.path.join(self.TestsDir(), self._tests_filename)
       print >>sys.stderr, 'Tests can be disabled by editing %s. ' \
                           'Ref: %s' % (pyauto_tests_file, _PYAUTO_DOC_URL)
     sys.exit(not successful)
 
 
 if __name__ == '__main__':
   Main()