[cr tool] Make context implicit

tools/cr/cr/autocomplete.py

Index: tools/cr/cr/autocomplete.py
diff --git a/tools/cr/cr/autocomplete.py b/tools/cr/cr/autocomplete.py
index ab9ce2f5784baa93758b1fb5885c1aae9196d0a9..f03b821c065602e4fb43f177f64245b5b2846535 100644
--- a/tools/cr/cr/autocomplete.py
+++ b/tools/cr/cr/autocomplete.py
@@ -11,17 +11,13 @@ current command line.
 import cr
 
 
-def Complete(context):
+def Complete():
   """Attempts to build a completion list for the current command line.
 
   COMP_WORD contains the word that is being completed, and COMP_CWORD has
   the index of that word on the command line.
-
-  Args:
-    context: The cr context object, of type cr.context.Context.
   """
 
-  _ = context
   # TODO(iancottrell): support auto complete of more than just the command
   # try to parse the command line using parser
   print ' '.join(command.name for command in cr.Command.Plugins())