Deletes mojo::Callback

mojo/public/cpp/bindings/callback.h

Index: mojo/public/cpp/bindings/callback.h
diff --git a/mojo/public/cpp/bindings/callback.h b/mojo/public/cpp/bindings/callback.h
deleted file mode 100644
index f918d7d540f68cef679ab62c3408ec30edf3c7aa..0000000000000000000000000000000000000000
--- a/mojo/public/cpp/bindings/callback.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2014 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 MOJO_PUBLIC_CPP_BINDINGS_CALLBACK_H_
-#define MOJO_PUBLIC_CPP_BINDINGS_CALLBACK_H_
-
-#include "base/callback.h"
-
-namespace mojo {
-
-template <typename Sig>
-using Callback = base::Callback<Sig>;
-
-using Closure = base::Closure;
-
-}  // namespace mojo
-
-#endif  // MOJO_PUBLIC_CPP_BINDINGS_CALLBACK_H_