Disable the seccomp-bpf sandbox on ARM temporarily.

content/common/sandbox_seccomp_bpf_linux.cc

Index: content/common/sandbox_seccomp_bpf_linux.cc
diff --git a/content/common/sandbox_seccomp_bpf_linux.cc b/content/common/sandbox_seccomp_bpf_linux.cc
index f7f1a80ad6145c02b2073ce78e34bd7bf68445a6..a2e7569719ae544c0b6e4fcb7e0a25edf53e4a2a 100644
--- a/content/common/sandbox_seccomp_bpf_linux.cc
+++ b/content/common/sandbox_seccomp_bpf_linux.cc
@@ -1409,12 +1409,17 @@ bool SandboxSeccompBpf::IsSeccompBpfDesired() {
 bool SandboxSeccompBpf::ShouldEnableSeccompBpf(
     const std::string& process_type) {
 #if defined(SECCOMP_BPF_SANDBOX)
+#if defined(__arm__)
+  // We disable the sandbox on ARM for now until crbug.com/148856 is fixed.
+  return false;
+#else
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (process_type == switches::kGpuProcess)
     return !command_line.HasSwitch(switches::kDisableGpuSandbox);
 
   return true;
-#endif
+#endif  // __arm__
+#endif  // process_type
   return false;
 }