Increase Bind/Callback Arity from 6 -> 7.

base/bind.h.pump

 $$ This is a pump file for generating file templates.  Pump is a python
 $$ script that is part of the Google Test suite of utilities.  Description
 $$ can be found here:
 $$
 $$ http://code.google.com/p/googletest/wiki/PumpManual
 $$
 
-$var MAX_ARITY = 6
+$var MAX_ARITY = 7

[willchan no longer on Chromium, 2011/11/28 20:02:49]

It'd be great to add a comment explaining the pros/cons here and stating that
the number chosen was a result of the tradeoff. Maybe have the other files point
to the comment here.

 
 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_BIND_H_
 #define BASE_BIND_H_
 #pragma once
 
 #include "base/bind_internal.h"
@@ skipping 94 matching lines @@
 void($for ARG , [[typename internal::CallbackParamTraits<P$(ARG)>::StorageType]])>(
           internal::MakeRunnable(functor)[[]]
 $if ARITY > 0 [[, ]] $for ARG , [[p$(ARG)]]));
 }
 
 ]]  $$ for ARITY
 
 }  // namespace base
 
 #endif  // BASE_BIND_H_