Fixing omnibox continues search (pyauto) problem on non-mac machine

functional/omnibox.py

 #!/usr/bin/python
 # Copyright (c) 2010 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 glob
 import os
 import re
 import shutil
 import tempfile
@@ skipping 292 matching lines @@
     self.AppendTab(pyauto.GURL(url))
     self.assertTrue(self.WaitUntil(lambda: self._GotNewMatches(len(old_matches),
                                    search_text), timeout=1))
     matches = self._GetOmniboxMatchesFor(search_text)
     matches_description = [x for x in matches if x['destination_url'] == url]
     self.assertEqual(1, len(matches_description))
 
   def _GotHistoryPageOption(self, search_text):
     """Determines if omnibox returns an 'open history page' option for given
        search text"""
+    self.SetOmniboxText('')
     matches = self._GetOmniboxMatchesFor(search_text)
     matches_description = [x for x in matches if x['type'] ==
                            'open-history-page']
     return len(matches_description) != 0
 
   def testRecentPageHistory(self):
     """Verify that omnibox shows recent history option in the visited
        url list."""
     search_text = 'file'
     sites = glob.glob(os.path.join(self.DataDir(), 'find_in_page', '*.html'))
@@ skipping 31 matching lines @@
     self.NavigateToURL(url, 1, 0)
     self._CheckBookmarkResultForVariousInputs(url, title, windex=1)
     self.RunCommand(pyauto.IDC_NEW_INCOGNITO_WINDOW)
     self.assertEqual(3, self.GetBrowserWindowCount())
     self.NavigateToURL(url, 2, 0)
     self._CheckBookmarkResultForVariousInputs(url, title, windex=2)
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()