Large IWYU cleanup for seccomp-bpf

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 <linux/filter.h>
+#include <stdint.h>
 
-#include <utility>
 #include <vector>
 
+#include "base/macros.h"
+
+struct sock_filter;
+
 namespace sandbox {
-
+struct arch_seccomp_data;
+class SandboxBPF;
 class SandboxBPFPolicy;
 
 class 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
@@ skipping 15 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__