sandbox/linux: move ErrorCode into bpf_dsl

sandbox/linux/BUILD.gn

Index: sandbox/linux/BUILD.gn
diff --git a/sandbox/linux/BUILD.gn b/sandbox/linux/BUILD.gn
index 15dedd3cb7278730af38f00fde98a9c55c1aeffa..d632bd4fafbb67d1a2dc1501671f8f0893a63468 100644
--- a/sandbox/linux/BUILD.gn
+++ b/sandbox/linux/BUILD.gn
@@ -117,13 +117,16 @@ source_set("sandbox_linux_unittests_sources") {
       "bpf_dsl/bpf_dsl_unittest.cc",
       "bpf_dsl/codegen_unittest.cc",
       "bpf_dsl/cons_unittest.cc",
+      "bpf_dsl/errorcode_unittest.cc",
       "bpf_dsl/syscall_set_unittest.cc",
+      "bpf_dsl/test_trap_registry.cc",
+      "bpf_dsl/test_trap_registry.h",
+      "bpf_dsl/test_trap_registry_unittest.cc",
       "integration_tests/bpf_dsl_seccomp_unittest.cc",
       "integration_tests/seccomp_broker_process_unittest.cc",
       "seccomp-bpf-helpers/baseline_policy_unittest.cc",
       "seccomp-bpf-helpers/syscall_parameters_restrictions_unittests.cc",
       "seccomp-bpf/bpf_tests_unittest.cc",
-      "seccomp-bpf/errorcode_unittest.cc",
       "seccomp-bpf/sandbox_bpf_unittest.cc",
       "seccomp-bpf/syscall_unittest.cc",
       "seccomp-bpf/trap_unittest.cc",
@@ -185,6 +188,8 @@ component("seccomp_bpf") {
     "bpf_dsl/cons.h",
     "bpf_dsl/dump_bpf.cc",
     "bpf_dsl/dump_bpf.h",
+    "bpf_dsl/errorcode.cc",
+    "bpf_dsl/errorcode.h",
     "bpf_dsl/linux_syscall_ranges.h",
     "bpf_dsl/policy.cc",
     "bpf_dsl/policy.h",
@@ -198,8 +203,6 @@ component("seccomp_bpf") {
     "bpf_dsl/verifier.h",
     "seccomp-bpf/die.cc",
     "seccomp-bpf/die.h",
-    "seccomp-bpf/errorcode.cc",
-    "seccomp-bpf/errorcode.h",
     "seccomp-bpf/sandbox_bpf.cc",
     "seccomp-bpf/sandbox_bpf.h",
     "seccomp-bpf/syscall.cc",