Refactor BPFTesterCompatibilityDelegate to use AuxHolder instead

sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.cc

Index: sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.cc
diff --git a/sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.cc b/sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.cc
deleted file mode 100644
index 2fa209b4c7f5ca0ea415c2a7a4f48b41541aa65e..0000000000000000000000000000000000000000
--- a/sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.cc
+++ /dev/null
@@ -1,21 +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.
-
-#include "sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.h"
-
-namespace sandbox {
-
-// static
-template <>
-void* BPFTesterCompatibilityDelegate<void>::NewAux() {
-  return NULL;
-}
-
-// static
-template <>
-void BPFTesterCompatibilityDelegate<void>::DeleteAux(void* aux) {
-  CHECK(!aux);
-}
-
-}  // namespace sandbox