Split of rolling Chromium from push-to-trunk.

tools/push-to-trunk/auto_roll.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 124 matching lines @@
       print "ToT (r%d) is clean. Pushing to trunk." % latest
       self.PushTreeStatus("Tree is closed (preparing to push)")
 
       # TODO(machenbach): Update the script before calling it.
       try:
         if self._options.push:
           P = push_to_trunk.PushToTrunk
           self._side_effect_handler.Call(
               P(push_to_trunk.CONFIG, self._side_effect_handler).Run,
               ["-a", self._options.author,
-               "-c", self._options.chromium,
                "-r", self._options.reviewer,
                "-f"])
       finally:
         self.PushTreeStatus(self["tree_message"])
     else:
       print("ToT (r%d) is ahead of the LKGR (r%d). Skipping push to trunk."
             % (latest, lkgr))
 
 
 class AutoRoll(ScriptsBase):
   def _PrepareOptions(self, parser):
-    parser.add_argument("-c", "--chromium", required=True,
-                        help=("The path to your Chromium src/ "
-                              "directory to automate the V8 roll."))
+    parser.add_argument("-c", "--chromium",
+                        help=("Deprecated."))
     parser.add_argument("-p", "--push",
                         help="Push to trunk. Dry run if unspecified.",
                         default=False, action="store_true")
     parser.add_argument("--status-password",
                         help="A file with the password to the status app.")
 
   def _ProcessOptions(self, options):
     if not options.author or not options.reviewer:  # pragma: no cover
       print "You need to specify author and reviewer."
       return False
     options.requires_editor = False
     return True
 
   def _Steps(self):
     return [
       Preparation,
       CheckAutoRollSettings,
       CheckTreeStatus,
       FetchLatestRevision,
       CheckLastPush,
       FetchLKGR,
       PushToTrunk,
     ]
 
 
 if __name__ == "__main__":  # pragma: no cover
   sys.exit(AutoRoll(CONFIG).Run())