Fix for flakiness in pyauto automation hook WaitForDownloadsToComplete.

chrome/test/functional/instant.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 cgi
 import os
 
 import pyauto_functional  # Must be imported before pyauto
@@ skipping 211 matching lines @@
   def _AssertInstantDoesNotDownloadFile(self, path):
     """Asserts instant does not download the specified file.
 
        Args:
          path: Path to file.
     """
     self.NavigateToURL('chrome://downloads')
     filepath = self.GetFileURLForDataPath(path)
     self.SetOmniboxText(filepath)
     self.WaitUntilOmniboxQueryDone()
-    self.WaitForAllDownloadsToComplete()
+    self.WaitForAllDownloadsToComplete([])
     self.assertFalse(self.GetDownloadsInfo().Downloads(),
                      msg='Should not download: %s' % filepath)
 
   def testInstantDoesNotDownloadZipFile(self):
     """Test that instant does not download zip file."""
     self._AssertInstantDoesNotDownloadFile(os.path.join('zip', 'test.zip'))
 
   def testInstantDoesNotDownloadPDFFile(self):
     """Test that instant does not download PDF file."""
     self._AssertInstantDoesNotDownloadFile(os.path.join('printing',
@@ skipping 24 matching lines @@
     """Test that instant loads PNG file."""
     self._AssertInstantLoadsFile(os.path.join('save_page', '1.png'))
 
   def testInstantLoadsSVG(self):
     """Test that instant loads SVG file."""
     self._AssertInstantLoadsFile(os.path.join('circle.svg'))
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()