Update from https://crrev.com/320343

sandbox/linux/bpf_dsl/seccomp_macros.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 SANDBOX_LINUX_BPF_DSL_SECCOMP_MACROS_H_
 #define SANDBOX_LINUX_BPF_DSL_SECCOMP_MACROS_H_
 
 #include <asm/unistd.h>
 #include <linux/filter.h>
 
 #include <sys/cdefs.h>
 // Old Bionic versions do not have sys/user.h.  The if can be removed once we no
 // longer need to support these old Bionic versions.
 // All x86_64 builds use a new enough bionic to have sys/user.h.
 #if !defined(__BIONIC__) || defined(__x86_64__)
 #include <sys/types.h>  // Fix for gcc 4.7, make sure __uint16_t is defined.
 #include <sys/user.h>
 #if defined(__mips__)
 // sys/user.h in eglibc misses size_t definition
 #include <stddef.h>
 #endif
 #endif
 
+#include "sandbox/linux/system_headers/linux_seccomp.h"  // For AUDIT_ARCH_*
+
 // Impose some reasonable maximum BPF program size. Realistically, the
 // kernel probably has much lower limits. But by limiting to less than
 // 30 bits, we can ease requirements on some of our data types.
 #define SECCOMP_MAX_PROGRAM_SIZE (1<<30)
 
 #if defined(__i386__)
 #define SECCOMP_ARCH        AUDIT_ARCH_I386
 
 #define SECCOMP_REG(_ctx, _reg) ((_ctx)->uc_mcontext.gregs[(_reg)])
 #define SECCOMP_RESULT(_ctx)    SECCOMP_REG(_ctx, REG_EAX)
@@ skipping 251 matching lines @@
 #define SECCOMP_PT_PARM3(_regs) (_regs).regs[2]
 #define SECCOMP_PT_PARM4(_regs) (_regs).regs[3]
 #define SECCOMP_PT_PARM5(_regs) (_regs).regs[4]
 #define SECCOMP_PT_PARM6(_regs) (_regs).regs[5]
 #else
 #error Unsupported target platform
 
 #endif
 
 #endif  // SANDBOX_LINUX_BPF_DSL_SECCOMP_MACROS_H_