Make auto-roller roll recent release based on timestamp.

tools/release/common_includes.py

 #!/usr/bin/env python
 # Copyright 2013 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
@@ skipping 28 matching lines @@
 import sys
 import textwrap
 import time
 import urllib
 import urllib2
 
 from git_recipes import GitRecipesMixin
 from git_recipes import GitFailedException
 
 CHANGELOG_FILE = "ChangeLog"
+DAY_IN_SECONDS = 24 * 60 * 60
 PUSH_MSG_GIT_RE = re.compile(r".* \(based on (?P<git_rev>[a-fA-F0-9]+)\)$")
 PUSH_MSG_NEW_RE = re.compile(r"^Version \d+\.\d+\.\d+$")
 VERSION_FILE = os.path.join("include", "v8-version.h")
 VERSION_RE = re.compile(r"^\d+\.\d+\.\d+(?:\.\d+)?$")
 
 # V8 base directory.
 V8_BASE = os.path.dirname(
     os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
 
 
@@ skipping 816 matching lines @@
     for (number, step_class) in enumerate([BootstrapStep] + step_classes):
       steps.append(MakeStep(step_class, number, self._state, self._config,
                             options, self._side_effect_handler))
     for step in steps[options.step:]:
       if step.Run():
         return 0
     return 0
 
   def Run(self, args=None):
     return self.RunSteps(self._Steps(), args)