sandbox/linux: move ErrorCode into bpf_dsl

sandbox/linux/bpf_dsl/test_trap_registry.h

Index: sandbox/linux/bpf_dsl/test_trap_registry.h
diff --git a/sandbox/linux/bpf_dsl/test_trap_registry.h b/sandbox/linux/bpf_dsl/test_trap_registry.h
new file mode 100644
index 0000000000000000000000000000000000000000..161f28e34c9b6905c180732d1c27c2d86bdeadc7
--- /dev/null
+++ b/sandbox/linux/bpf_dsl/test_trap_registry.h
@@ -0,0 +1,37 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SANDBOX_LINUX_BPF_DSL_TEST_TRAP_REGISTRY_H_
+#define SANDBOX_LINUX_BPF_DSL_TEST_TRAP_REGISTRY_H_
+
+#include <stdint.h>
+
+#include <map>
+#include <utility>
+
+#include "sandbox/linux/bpf_dsl/trap_registry.h"
+
+namespace sandbox {
+namespace bpf_dsl {
+
+class TestTrapRegistry : public TrapRegistry {
+ public:
+  TestTrapRegistry();
+  virtual ~TestTrapRegistry();
+
+  uint16_t Add(TrapFnc fnc, const void* aux, bool safe) override;
+  bool EnableUnsafeTraps() override;
+
+ private:
+  using Key = std::pair<TrapFnc, const void*>;
+
+  std::map<Key, uint16_t> map_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestTrapRegistry);
+};
+
+}  // namespace bpf_dsl
+}  // namespace sandbox
+
+#endif  // SANDBOX_LINUX_BPF_DSL_TEST_TRAP_REGISTRY_H_