Fix my (??) stupid typo in memcheck_analyze which stupid python didn't caught...

tools/valgrind/memcheck_analyze.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.
 
 # memcheck_analyze.py
 
 ''' Given a valgrind XML file, parses errors and uniques them.'''
 
 import gdb_helper
@@ skipping 400 matching lines @@
       while (running and not found and
              (firstrun or
               ((time.time() - start_time) < self.LOG_COMPLETION_TIMEOUT))):
         firstrun = False
         f.seek(0)
         if pid:
           # Make sure the process is still running so we don't wait for
           # 3 minutes if it was killed. See http://crbug.com/17453
           ps_out = subprocess.Popen("ps p %s" % pid, shell=True,
                                     stdout=subprocess.PIPE).stdout
-          if ps_out.readlines() < 2:
+          if len(ps_out.readlines()) < 2:
             running = False
         found = find_and_truncate(f)
         if not running and not found:
           logging.warn("Valgrind process PID = %s is not running but "
                        "its XML log has not been finished correctly." % pid)
         if running and not found:
           time.sleep(1)
       f.close()
       if not found:
         badfiles.add(file)
@@ skipping 134 matching lines @@
     parser.error("no filename specified")
   filenames = args
 
   analyzer = MemcheckAnalyzer(options.source_dir, use_gdb=True)
   retcode = analyzer.Report(filenames)
 
   sys.exit(retcode)
 
 if __name__ == "__main__":
   _main()