Remove unused typedef in base/bind.h

base/bind.h

 // This file was GENERATED by command:
 //     pump.py bind.h.pump
 // DO NOT EDIT BY HAND!!!
 
 
 // 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_
@@ skipping 47 matching lines @@
     typename internal::BindState<
         typename internal::FunctorTraits<Functor>::RunnableType,
         typename internal::FunctorTraits<Functor>::RunType,
         void()>
             ::UnboundRunType>
 Bind(Functor functor) {
   // Typedefs for how to store and run the functor.
   typedef typename internal::FunctorTraits<Functor>::RunnableType RunnableType;
   typedef typename internal::FunctorTraits<Functor>::RunType RunType;
 
-  // Use RunnableType::RunType instead of RunType above because our
-  // checks should below for bound references need to know what the actual
-  // functor is going to interpret the argument as.
-  typedef internal::FunctionTraits<typename RunnableType::RunType>
-      BoundFunctorTraits;
-
   typedef internal::BindState<RunnableType, RunType, void()> BindState;
 
 
   return Callback<typename BindState::UnboundRunType>(
       new BindState(internal::MakeRunnable(functor)));
 }
 
 template <typename Functor, typename P1>
 base::Callback<
     typename internal::BindState<
@@ skipping 424 matching lines @@
 
 
   return Callback<typename BindState::UnboundRunType>(
       new BindState(internal::MakeRunnable(functor), p1, p2, p3, p4, p5, p6,
           p7));
 }
 
 }  // namespace base
 
 #endif  // BASE_BIND_H_