[ARM64]: Fix ARM64 content_shell build

content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc

Index: content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc
diff --git a/content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc b/content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc
index 8a6fa7204f7c599a3b8e880af1b6e8a2db9b0bf9..820b18b8419bd33ab0ce4e401e12cd66200638ed 100644
--- a/content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc
+++ b/content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc
@@ -42,9 +42,9 @@ using sandbox::SyscallSets;
 
 // Make sure that seccomp-bpf does not get disabled by mistake. Also make sure
 // that we think twice about this when adding a new architecture.
-#if !defined(ARCH_CPU_MIPS_FAMILY)
+#if !defined(ARCH_CPU_MIPS_FAMILY) && !defined(ARCH_CPU_ARM64)
 #error "Seccomp-bpf disabled on supported architecture!"
-#endif  // !defined(ARCH_CPU_MIPS_FAMILY)
+#endif  // !defined(ARCH_CPU_MIPS_FAMILY) && !defined(ARCH_CPU_ARM64)
 
 #endif  //