mac: Remove memory/scoped_nsobject.h forwarding header.

base/memory/scoped_nsobject.h

Index: base/memory/scoped_nsobject.h
diff --git a/base/memory/scoped_nsobject.h b/base/memory/scoped_nsobject.h
deleted file mode 100644
index db8020a28f932c93f3dd9c6ddd86662e0673d15e..0000000000000000000000000000000000000000
--- a/base/memory/scoped_nsobject.h
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright (c) 2013 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_MEMORY_SCOPED_NSOBJECT_H_
-#define BASE_MEMORY_SCOPED_NSOBJECT_H_
-
-// TODO(thakis): Update all clients to include base/mac/scoped_nsobject.h and
-// get rid of this forwarding header.
-#include "base/mac/scoped_nsobject.h"
-
-using base::scoped_nsobject;
-using base::scoped_nsprotocol;
-
-#endif  // BASE_MEMORY_SCOPED_NSOBJECT_H_