Move the Linux zygote stuff into its own per-process directory.

content/public/browser/zygote_host_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_BROWSER_ZYGOTE_HOST_LINUX_H_
 #define CONTENT_PUBLIC_BROWSER_ZYGOTE_HOST_LINUX_H_
 #pragma once
 
 #include <unistd.h>
 
 #include "base/process.h"
 #include "content/common/content_export.h"
 
 namespace content {
 
 // http://code.google.com/p/chromium/wiki/LinuxZygote
 
 // The zygote host is the interface, in the browser process, to the zygote
 // process.
 class ZygoteHost {
  public:
   // Returns the singleton instance.
   CONTENT_EXPORT static ZygoteHost* GetInstance();
 
-  // These form a bitmask which describes the conditions of the sandbox that
-  // the zygote finds itself in.
-  enum {
-    kSandboxSUID = 1 << 0,     // SUID sandbox active
-    kSandboxPIDNS = 1 << 1,    // SUID sandbox is using the PID namespace
-    kSandboxNetNS = 1 << 2,    // SUID sandbox is using the network namespace
-    kSandboxSeccomp = 1 << 3,  // seccomp sandbox active.
-  };
-
   // Returns the pid of the Zygote process.
   virtual pid_t GetPid() const = 0;
 
   // Returns the pid of the Sandbox Helper process.
   virtual pid_t GetSandboxHelperPid() const = 0;
 
-  // Returns an int which is a bitmask of kSandbox* values. Only valid after
-  // the first render has been forked.
+  // Returns an int which is a bitmask of kSandboxLinux* values. Only valid
+  // after the first render has been forked.
   virtual int GetSandboxStatus() const = 0;
 
   // Adjust the OOM score of the given renderer's PID.  The allowed
   // range for the score is [0, 1000], where higher values are more
   // likely to be killed by the OOM killer.
   virtual void AdjustRendererOOMScore(base::ProcessHandle process_handle,
                                       int score) = 0;
 
   // Adjust the point at which the low memory notifier in the kernel tells
   // us that we're low on memory.  When there is less than |margin_mb| left,
   // then the notifier will notify us.  Set |margin_mb| to -1 to turn off
   // low memory notification altogether.
   virtual void AdjustLowMemoryMargin(int64 margin_mb) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ZYGOTE_HOST_LINUX_H_