base::Bind: Remove callback_old.h.

net/base/test_completion_callback.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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 NET_BASE_TEST_COMPLETION_CALLBACK_H_
 #define NET_BASE_TEST_COMPLETION_CALLBACK_H_
 #pragma once
 
-#include "base/callback_old.h"
 #include "base/compiler_specific.h"
 #include "base/tuple.h"
 #include "net/base/completion_callback.h"
 
 //-----------------------------------------------------------------------------
 // completion callback helper
 
 // A helper class for completion callbacks, designed to make it easy to run
 // tests involving asynchronous operations.  Just call WaitForResult to wait
 // for the asynchronous operation to complete.
@@ skipping 33 matching lines @@
 
  private:
   const CompletionCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(TestCompletionCallback);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_TEST_COMPLETION_CALLBACK_H_