Fix duplicate symbol in ARM build of nacl_helper_nonsfi_unittests

components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc

Index: components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc
diff --git a/components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc b/components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc
index 53ea1ab94afce7a24bf3ee1f0bf23e8378065cd6..acfc1270149ddfed5852ff2c3d4119da12f83c27 100644
--- a/components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc
+++ b/components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc
@@ -202,7 +202,7 @@ BPF_DEATH_TEST_C(NaClNonSfiSandboxTest,
 
 #if defined(OS_NACL_NONSFI)
 BPF_DEATH_TEST_C(NaClNonsfiSandboxTest,
-                 socketpair,
+                 socketpair_af_unix_disallowed,
                  DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
                  nacl::nonsfi::NaClNonSfiBPFSandboxPolicy) {
   int tmp_fds[2];
@@ -229,6 +229,19 @@ BPF_TEST_C(NaClNonSfiSandboxTest,
 }
 #endif
 
+// On arm and x86_64 the arguments to socketpair are passed in registers,
+// so they can be filtered by seccomp-bpf.  This filter cannot be applied
+// on x86_32 as the arguments are passed in memory.
+#if defined(__x86_64__) || defined(__arm__)
+BPF_DEATH_TEST_C(NaClNonSfiSandboxTest,
+                 socketpair_af_inet_disallowed,
+                 DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
+                 nacl::nonsfi::NaClNonSfiBPFSandboxPolicy) {
+  int fds[2];
+  socketpair(AF_INET, SOCK_STREAM, 0, fds);
+}
+#endif
+
 BPF_DEATH_TEST_C(NaClNonSfiSandboxTest,
                  accept,
                  DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
@@ -393,16 +406,6 @@ BPF_DEATH_TEST_C(NaClNonSfiSandboxTest,
 #endif
 }
 
-#if defined(__x86_64__) || defined(__arm__)
-BPF_DEATH_TEST_C(NaClNonSfiSandboxTest,
-                 socketpair,
-                 DEATH_SEGV_MESSAGE(sandbox::GetErrorMessageContentForTests()),
-                 nacl::nonsfi::NaClNonSfiBPFSandboxPolicy) {
-  int fds[2];
-  socketpair(AF_INET, SOCK_STREAM, 0, fds);
-}
-#endif
-
 BPF_TEST_C(NaClNonSfiSandboxTest,
            fcntl_SETFD_allowed,
            nacl::nonsfi::NaClNonSfiBPFSandboxPolicy) {