Remove DownloadFileManager in favor of direct ownership of DownloadFiles.

chrome/test/functional/downloads.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.
 
 import commands
 import filecmp
 import logging
 import os
 import shutil
@@ skipping 351 matching lines @@
       logging.info('The download completed before pause. Stopping test.')
       return
 
     self.assertTrue(pause_dict['is_paused'])
     self.assertTrue(pause_dict['state'] == 'IN_PROGRESS')
 
     # Resume the download and assert it is not paused.
     resume_dict = self.PerformActionOnDownload(self._GetDownloadId(),
                                                'toggle_pause')
     self.assertFalse(resume_dict['is_paused'])
-    self.WaitForAllDownloadsToComplete(timeout=self.large_test_timeout_ms());
+    self.WaitForAllDownloadsToComplete(timeout=10 * 60 * 1000);
 
     # Verify that the file was correctly downloaded after pause and resume.
     self.assertTrue(os.path.exists(downloaded_pkg),
                     'Downloaded file %s missing.' % downloaded_pkg)
     self.assertTrue(self._EqualFileContents(file_path, downloaded_pkg),
                     'Downloaded file %s does not match original' %
                     downloaded_pkg)
 
   def testCancelDownload(self):
     """Verify that we can cancel a download."""
@@ skipping 124 matching lines @@
     # Verify download in incognito window.
     # bug 69738 WaitForAllDownloadsToComplete is flaky for this test case.
     # Using extra WaitUntil until this is resolved.
     self.assertTrue(self.WaitUntil(
         lambda: os.path.exists(downloaded_pkg_incog)))
     self.assertTrue(self._EqualFileContents(file_path, downloaded_pkg_incog))
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()