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..49ca46a7b1ff86af1a15ff439c2413eff81783e8 100644
--- a/components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc
+++ b/components/nacl/loader/nonsfi/nonsfi_sandbox_unittest.cc
@@ -393,16 +393,6 @@ 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) {