Pull seccomp-sandbox in via DEPS rather than using an in-tree copy...

sandbox/linux/seccomp/debug.h

-// Copyright (c) 2010 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 DEBUG_H__
-#define DEBUG_H__
-
-#include <map>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string>
-#include <string.h>
-
-#include "sandbox_impl.h"
-
-namespace playground {
-
-class Debug {
- public:
-  // If debugging is enabled, write a message to stderr.
-  static void message(const char* msg)
-  #ifndef NDEBUG
-  asm("playground$debugMessage")
-  #if defined(__x86_64__)
-  __attribute__((visibility("internal")))
-  #endif
-  ;
-  #else
-  { }
-  #endif
-
-  // If debugging is enabled, write the name of the syscall and an optional
-  // message to stderr.
-  static void syscall(long long* tm, int sysnum,
-                      const char* msg, int call = -1)
-  #ifndef NDEBUG
-  ;
-  #else
-  { }
-  #endif
-
-  // Print how much wall-time has elapsed since the last call to syscall()
-  static void elapsed(long long tm, int sysnum, int call = -1)
-  #ifndef NDEBUG
-  ;
-  #else
-  {
-  }
-  #endif
-
-  // Check whether debugging is enabled.
-  static bool isEnabled() {
-    #ifndef NDEBUG
-    return enabled_;
-    #else
-    return false;
-    #endif
-  }
-
- private:
-  #ifndef NDEBUG
-  Debug();
-  static bool  enter();
-  static bool  leave();
-  static void  _message(const char* msg);
-  static void  gettimeofday(long long* tm);
-  static char* itoa(char* s, int n);
-
-  static Debug debug_;
-
-  static bool  enabled_;
-  static int   numSyscallNames_;
-  static const char **syscallNames_;
-  static std::map<int, std::string> syscallNamesMap_;
-  #endif
-};
-
-} // namespace
-
-#endif // DEBUG_H__