Fix ARM Chrome not starting up.

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

 // Copyright (c) 2013 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 <sys/mman.h>
 #include <sys/socket.h>
 #include <sys/syscall.h>
@@ skipping 213 matching lines @@
       SyscallSets::IsDeniedGetOrModifySocket(sysno) ||
       SyscallSets::IsProcessPrivilegeChange(sysno)) {
     return Error(EPERM);
   }
 
 #if defined(__i386__) || defined(__mips__)
   if (SyscallSets::IsSocketCall(sysno))
     return RestrictSocketcallCommand();
 #endif
 
-#if defined(__x86_64__)
+#if !defined(__i386__)
   if (sysno == __NR_getsockopt || sysno ==__NR_setsockopt) {
     // Used by Mojo EDK to catch a message pipe being sent over itself.
     const Arg<int> level(1);
     const Arg<int> optname(2);
     return If(AllOf(level == SOL_SOCKET, optname == SO_PEEK_OFF), Allow())
         .Else(CrashSIGSYS());
   }
 #endif
 
   if (IsBaselinePolicyWatched(sysno)) {
@@ skipping 30 matching lines @@
     DCHECK_EQ(sys_getpid(), policy_pid_);
   }
   return EvaluateSyscallImpl(fs_denied_errno_, policy_pid_, sysno);
 }
 
 ResultExpr BaselinePolicy::InvalidSyscall() const {
   return CrashSIGSYS();
 }
 
 }  // namespace sandbox.