Added check for trailing whitespaces and corrected existing violations.

tools/process-heap-prof.py

 #!/usr/bin/env python
 #
 # Copyright 2009 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 29 matching lines @@
 # to get JS constructor profile
 
 
 import csv, sys, time, optparse
 
 def ProcessLogFile(filename, options):
   if options.js_cons_profile:
     itemname = 'heap-js-cons-item'
   else:
     itemname = 'heap-sample-item'
-  
+
   first_call_time = None
   sample_time = 0.0
   sampling = False
   try:
     logfile = open(filename, 'rb')
     try:
       logreader = csv.reader(logfile)
 
       print('JOB "v8"')
       print('DATE "%s"' % time.asctime(time.localtime()))
@@ skipping 40 matching lines @@
     options.size = True
   return True
 
 
 def Main():
   parser = BuildOptions()
   (options, args) = parser.parse_args()
   if not ProcessOptions(options):
     parser.print_help()
     sys.exit();
-  
+
   if not args:
     print "Missing logfile"
     sys.exit();
-    
+
   ProcessLogFile(args[0], options)
 
 
 if __name__ == '__main__':
   sys.exit(Main())