Introduce linux_filter.h and replace #include <linux/filter.h>

sandbox/linux/seccomp-bpf/sandbox_bpf_test_runner.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/seccomp-bpf/sandbox_bpf_test_runner.h"
 
 #include <fcntl.h>
-#include <linux/filter.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "sandbox/linux/bpf_dsl/policy.h"
 #include "sandbox/linux/seccomp-bpf/die.h"
 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
+#include "sandbox/linux/system_headers/linux_filter.h"
 #include "sandbox/linux/tests/unit_tests.h"
 
 namespace sandbox {
 
 SandboxBPFTestRunner::SandboxBPFTestRunner(
     BPFTesterDelegate* bpf_tester_delegate)
     : bpf_tester_delegate_(bpf_tester_delegate) {
 }
 
 SandboxBPFTestRunner::~SandboxBPFTestRunner() {
@@ skipping 31 matching lines @@
   }
 }
 
 bool SandboxBPFTestRunner::ShouldCheckForLeaks() const {
   // LSAN requires being able to use ptrace() and other system calls that could
   // be denied.
   return false;
 }
 
 }  // namespace sandbox