Fix ARM Chrome not starting up.

sandbox/linux/seccomp-bpf-helpers/baseline_policy_unittest.cc

 // Copyright 2014 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-helpers/baseline_policy.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <netinet/in.h>
 #include <sched.h>
@@ skipping 317 matching lines @@
 }
 
 BPF_DEATH_TEST_C(BaselinePolicy,
                  ClockGettimeWithDisallowedClockCrashes,
                  DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
                  BaselinePolicy) {
   struct timespec ts;
   clock_gettime(CLOCK_MONOTONIC_RAW, &ts);
 }
 
-#if defined(__x86_64__)
+#if !defined(__i386__)
 BPF_DEATH_TEST_C(BaselinePolicy,
                  GetSockOptWrongLevelSigsys,
                  DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
                  BaselinePolicy) {
   int fds[2];
   PCHECK(socketpair(AF_UNIX, SOCK_STREAM, 0, fds) == 0);
   int id;
   socklen_t peek_off_size = sizeof(id);
   getsockopt(fds[0], IPPROTO_TCP, SO_PEEK_OFF, &id, &peek_off_size);
 }
@@ skipping 27 matching lines @@
   int fds[2];
   PCHECK(socketpair(AF_UNIX, SOCK_STREAM, 0, fds) == 0);
   int id;
   setsockopt(fds[0], SOL_SOCKET, SO_DEBUG, &id, sizeof(id));
 }
 #endif
 
 }  // namespace
 
 }  // namespace sandbox