Implement GetSandboxType() on all platforms and implement for all process types.

components/nacl/common/nacl_sandbox_type_mac.h

Index: components/nacl/common/nacl_sandbox_type_mac.h
diff --git a/components/nacl/common/nacl_sandbox_type_mac.h b/components/nacl/common/nacl_sandbox_type_mac.h
deleted file mode 100644
index b1817f30d4e3994fb776f4c0af47f05824a3c7d8..0000000000000000000000000000000000000000
--- a/components/nacl/common/nacl_sandbox_type_mac.h
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 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 COMPONENTS_NACL_COMMON_NACL_SANDBOX_TYPE_MAC_H_
-#define COMPONENTS_NACL_COMMON_NACL_SANDBOX_TYPE_MAC_H_
-
-#include "content/public/common/sandbox_type_mac.h"
-
-enum NaClSandboxType {
-  NACL_SANDBOX_TYPE_FIRST_TYPE = content::SANDBOX_TYPE_AFTER_LAST_TYPE,
-
-  NACL_SANDBOX_TYPE_NACL_LOADER = NACL_SANDBOX_TYPE_FIRST_TYPE,
-};
-
-#endif  // COMPONENTS_NACL_COMMON_NACL_SANDBOX_TYPE_MAC_H_