Changes to support One-Click Revert in Commit Queue

context.py

Index: context.py
===================================================================
--- context.py	(revision 220012)
+++ context.py	(working copy)
@@ -5,16 +5,20 @@
 
 class Context(object):
   """Class to hold context about a the current code review and checkout."""
-  def __init__(self, rietveld, checkout, status, server_hooks_missing=False):
+  def __init__(self, rietveld, checkout, status, check_for_reverts=False,
+               server_hooks_missing=False):
     """
     Args:
       rietveld: Instance of rietveld.Rietveld.
       checkout: Instance of checkout.SvnCheckout
       status: Instance of async_push.AsyncPush.
+      check_for_reverts: True if the project's CQ should check for reverted
+                         changes on Rietveld.
       server_hooks_missing: True if the project's SVN repository does not have
                             server-side hooks configured.
     """
     self.rietveld = rietveld
     self.checkout = checkout
     self.status = status
+    self.check_for_reverts = check_for_reverts
     self.server_hooks_missing = server_hooks_missing