Added check for trailing whitespaces and corrected existing violations.

tools/gdb-v8-support.py

 # Copyright 2011 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
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 120 matching lines @@
 
 
 def v8_to_int(v):
   if v.type.sizeof == 4:
     return int(v.cast(t_u32))
   elif v.type.sizeof == 8:
     return int(v.cast(t_u64))
   else:
     return '?'
 
-  
+
 def v8_get_value(vstring):
   v = gdb.parse_and_eval(vstring)
   return v8_to_int(v)
 
 
 class V8PrintObject (gdb.Command):
   """Prints a v8 object."""
   def __init__ (self):
     super (V8PrintObject, self).__init__ ("v8print", gdb.COMMAND_DATA)
   def invoke (self, arg, from_tty):
     v = v8_get_value(arg)
     gdb.execute('call __gdb_print_v8_object(%d)' % v)
 V8PrintObject()