Update from https://crrev.com/328418

testing/chromoting/browser_tests_launcher.py

 # Copyright (c) 2014 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.
 
 
 """Utility script to launch browser-tests on the Chromoting bot."""
 import argparse
 import glob
 import hashlib
 import os
 from os.path import expanduser
 import shutil
 import socket
 import subprocess
 
+import psutil
+
 BROWSER_TEST_ID = 'browser_tests'
 PROD_DIR_ID = '#PROD_DIR#'
 HOST_HASH_VALUE = hashlib.md5(socket.gethostname()).hexdigest()
 SUCCESS_INDICATOR = 'SUCCESS: all tests passed.'
 NATIVE_MESSAGING_DIR = 'NativeMessagingHosts'
 CRD_ID = 'chrome-remote-desktop'  # Used in a few file/folder names
 CHROMOTING_HOST_PATH = '/opt/google/chrome-remote-desktop/chrome-remote-desktop'
 TEST_FAILURE = False
 FAILING_TESTS = ''
 HOST_READY_INDICATOR = 'Host ready to receive connections.'
@@ skipping 129 matching lines @@
   os.makedirs(native_messaging_folder)
 
   manifest_files = [me2me_manifest_file, it2me_manifest_file]
   for manifest_file in manifest_files:
     manifest_file_src = os.path.join(os.getcwd(), manifest_file)
     manifest_file_dest = (
         os.path.join(native_messaging_folder, os.path.basename(manifest_file)))
     shutil.copyfile(manifest_file_src, manifest_file_dest)
 
 
+def PrintRunningProcesses():
+  processes = psutil.get_process_list()
+  processes = sorted(processes, key=lambda process: process.name)
+
+  print 'List of running processes:\n'
+  for process in processes:
+    print process.name
+
+
 def main(args):
 
   InitialiseTestMachineForLinux(args.cfg_file)
 
   with open(args.commands_file) as f:
     for line in f:
       # Reset the user profile directory to start each test with a clean slate.
       SetupUserProfileDir(args.me2me_manifest_file, args.it2me_manifest_file,
                           args.user_profile_dir)
 
       # Replace the PROD_DIR value in the command-line with
       # the passed in value.
       line = line.replace(PROD_DIR_ID, args.prod_dir)
       # Launch specified command line for test.
       LaunchBTCommand(line)
       # After each test, stop+start me2me host process.
       if not RestartMe2MeHost():
         # Host restart failed. Don't run any more tests.
         raise Exception('Host restart failed.')
 
+      # Print list of currently running processes.
+      PrintRunningProcesses()
+
   # All tests completed. Include host-logs in the test results.
   host_log_contents = ''
   # There should be only 1 log file, as we delete logs on test completion.
   # Loop through matching files, just in case there are more.
   for log_file in glob.glob('/tmp/chrome_remote_desktop_*'):
     with open(log_file, 'r') as log:
       host_log_contents += '\nHOST LOG %s\n CONTENTS:\n%s' % (
           log_file, log.read())
   print host_log_contents
 
@@ skipping 19 matching lines @@
                       help='path to it2me host manifest file.')
   parser.add_argument(
       '-u', '--user_profile_dir',
       help='path to user-profile-dir, used by connect-to-host tests.')
   command_line_args = parser.parse_args()
   try:
     main(command_line_args)
   finally:
     # Stop host and cleanup user-profile-dir.
     TestMachineCleanup(command_line_args.user_profile_dir)