Large IWYU cleanup for seccomp-bpf

sandbox/linux/bpf_dsl/bpf_dsl_unittest.cc

 // Copyright 2014 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.
 
 #include "sandbox/linux/bpf_dsl/bpf_dsl.h"
 
 #include <errno.h>
 #include <netinet/in.h>
 #include <sys/socket.h>
+#include <sys/syscall.h>
 #include <sys/utsname.h>
+#include <unistd.h>
 
 #include "base/files/scoped_file.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "sandbox/linux/seccomp-bpf/bpf_tests.h"
 #include "sandbox/linux/seccomp-bpf/errorcode.h"
-#include "sandbox/linux/seccomp-bpf/sandbox_bpf_policy.h"
 #include "sandbox/linux/seccomp-bpf/syscall.h"
 
 #define CASES SANDBOX_BPF_DSL_CASES
 
 // Helper macro to assert that invoking system call |sys| directly via
 // Syscall::Call with arguments |...| returns |res|.
 // Errors can be asserted by specifying a value like "-EINVAL".
 #define ASSERT_SYSCALL_RESULT(res, sys, ...) \
   BPF_ASSERT_EQ(res, Stubs::sys(__VA_ARGS__))
 
@@ skipping 293 matching lines @@
   ASSERT_SYSCALL_RESULT(-EINVAL, fcntl, sock_fd.get(), F_SETFD, 0);
 
   ASSERT_SYSCALL_RESULT(-EPERM, fcntl, sock_fd.get(), F_SETFL, O_RDONLY);
 
   ASSERT_SYSCALL_RESULT(-EACCES, fcntl, sock_fd.get(), F_DUPFD, 0);
 }
 
 }  // namespace
 }  // namespace bpf_dsl
 }  // namespace sandbox