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

tools/push-to-trunk/push_to_trunk.py

Index: tools/push-to-trunk/push_to_trunk.py
diff --git a/tools/push-to-trunk/push_to_trunk.py b/tools/push-to-trunk/push_to_trunk.py
index d861009c7695d174dd0d85d88ec55331b48b3eae..06e277ee468c23b02ba2988722ac94657b244999 100755
--- a/tools/push-to-trunk/push_to_trunk.py
+++ b/tools/push-to-trunk/push_to_trunk.py
@@ -53,6 +53,20 @@ CONFIG = {
 
 
 class PushToTrunkOptions(CommonOptions):
+  @staticmethod
+  def MakeForcedOptions(reviewer, chrome_path):
+    """Convenience wrapper."""
+    class Options(object):
+      pass
+    options = Options()
+    options.s = 0
+    options.l = None
+    options.f = True
+    options.m = False
+    options.r = reviewer
+    options.c = chrome_path
+    return PushToTrunkOptions(options)
+
   def __init__(self, options):
     super(PushToTrunkOptions, self).__init__(options, options.m)
     self.requires_editor = not options.f