bpf_dsl: Change bpf_dsl_unittests into actual standalone unit tests

sandbox/linux/seccomp-bpf/verifier.h

 // Copyright (c) 2012 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_SECCOMP_BPF_VERIFIER_H__
 #define SANDBOX_LINUX_SECCOMP_BPF_VERIFIER_H__
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/macros.h"
+#include "sandbox/sandbox_export.h"
 
 struct sock_filter;
 
 namespace sandbox {
 struct arch_seccomp_data;
 namespace bpf_dsl {
 class Policy;
 class PolicyCompiler;
 }
 
-class Verifier {
+class SANDBOX_EXPORT Verifier {
  public:
   // Evaluate the BPF program for all possible inputs and verify that it
   // computes the correct result. We use the "evaluators" to determine
   // the full set of possible inputs that we have to iterate over.
   // Returns success, if the BPF filter accurately reflects the rules
   // set by the "evaluators".
   // Upon success, "err" is set to NULL. Upon failure, it contains a static
   // error message that does not need to be free()'d.
   static bool VerifyBPF(bpf_dsl::PolicyCompiler* compiler,
                         const std::vector<struct sock_filter>& program,
@@ skipping 12 matching lines @@
                               const struct arch_seccomp_data& data,
                               const char** err);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(Verifier);
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_LINUX_SECCOMP_BPF_VERIFIER_H__