Revert 149692 - Create a LinuxSandbox class.

content/public/common/sandbox_linux.h

 // 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 CONTENT_PUBLIC_COMMON_SANDBOX_LINUX_H_
 #define CONTENT_PUBLIC_COMMON_SANDBOX_LINUX_H_
 
 namespace content {
 
 // These form a bitmask which describes the conditions of the Linux sandbox.
-// Note: this doesn't strictly give you the current status, it states
-// what will be enabled when the relevant processes are initialized.
-enum LinuxSandboxStatus {
+enum {
   // SUID sandbox active.
   kSandboxLinuxSUID = 1 << 0,
 
   // SUID sandbox is using the PID namespace.
   kSandboxLinuxPIDNS = 1 << 1,
 
-  // SUID sandbox is using the network namespace.
+  //SUID sandbox is using the network namespace.
   kSandboxLinuxNetNS = 1 << 2,
 
-  // seccomp-legacy sandbox active.
-  kSandboxLinuxSeccomp = 1 << 3,
+  // seccomp sandbox active.
+  kSandboxLinuxSeccomp = 1 << 3
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_SANDBOX_LINUX_H_