Activate calling push-to-trunk in auto-roll script.

tools/push-to-trunk/test_scripts.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 282 matching lines @@
     return self._git_mock.Call(args)
 
   def LogMock(self, cmd, args=""):
     print "Log: %s %s" % (cmd, args)
 
   MOCKS = {
     "git": GitMock,
     "vi": LogMock,
   }
 
+  def Call(self, fun, *args, **kwargs):
+    print "Calling %s with %s and %s" % (str(fun), str(args), str(kwargs))
+
   def Command(self, cmd, args="", prefix="", pipe=True):
     return ScriptTest.MOCKS[cmd](self, cmd, args)
 
   def ReadLine(self):
     return self._rl_mock.Call()
 
   def ReadURL(self, url, params):
     if params is not None:
       return self._url_mock.Call(url, params)
     else:
@@ skipping 524 matching lines @@
 
 Review URL: https://codereview.chromium.org/83173002
 
 ------------------------------------------------------------------------""")
     self.assertEquals(
 """Prepare push to trunk.  Now working on version 3.23.11.
 
 R=danno@chromium.org
 
 Committed: https://code.google.com/p/v8/source/detail?r=17997""", body)