Remove #include <asm/unistd.h> from linux_syscall_ranges.h and syscall.cc.

sandbox/linux/seccomp-bpf/syscall.cc

 // 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.
 
 #include "sandbox/linux/seccomp-bpf/syscall.h"
 
-#include <asm/unistd.h>
 #include <errno.h>
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "sandbox/linux/bpf_dsl/seccomp_macros.h"
 
 namespace sandbox {
 
 namespace {
 
@@ skipping 386 matching lines @@
   }
 
   // Set an error status so it can be used outside of this function
   *err_ret = err_stat;
 
   return ret;
 }
 #endif  // defined(__mips__)
 
 }  // namespace sandbox