Fix landing candidate pushes.

tools/push-to-trunk/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 269 matching lines @@
 
   def RemoteMasterBranch(self):
     raise NotImplementedError()
 
   def RemoteCandidateBranch(self):
     raise NotImplementedError()
 
   def RemoteBranch(self, name):
     raise NotImplementedError()
 
-  def Land(self):
-    raise NotImplementedError()
-
   def CLLand(self):
     raise NotImplementedError()
 
   def Tag(self, tag, remote, message):
     """Sets a tag for the current commit.
 
     Assumptions: The commit already landed and the commit message is unique.
     """
     raise NotImplementedError()
 
@@ skipping 46 matching lines @@
       print("The commit has not replicated to git. Waiting for %s seconds." %
             wait_interval)
       self.step._side_effect_handler.Sleep(wait_interval)
     else:
       self.step.Die("Couldn't determine commit for setting the tag. Maybe the "
                     "git updater is lagging behind?")
 
     self.step.Git("tag %s %s" % (tag, commit))
     self.step.Git("push origin %s" % tag)
 
-  def Land(self):
-    self.step.Git("push origin")
-
   def CLLand(self):
     self.step.GitCLLand()
 
 
 class Step(GitRecipesMixin):
   def __init__(self, text, number, config, state, options, handler):
     self._text = text
     self._number = number
     self._config = config
     self._state = state
@@ skipping 428 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)