Rewrite all BPF policies to use DSL API

components/nacl/loader/nonsfi/nonsfi_sandbox.h

 // 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.
 
 #ifndef COMPONENTS_NACL_LOADER_NONSFI_NONSFI_SANDBOX_H_
 #define COMPONENTS_NACL_LOADER_NONSFI_NONSFI_SANDBOX_H_
 
 #include "base/basictypes.h"
-#include "sandbox/linux/seccomp-bpf/sandbox_bpf_policy.h"
+#include "sandbox/linux/seccomp-bpf-helpers/bpf_dsl.h"
 
 namespace nacl {
 namespace nonsfi {
 
 // The seccomp sandbox policy for NaCl non-SFI mode. Note that this
 // policy must be as strong as possible, as non-SFI mode heavily
 // depends on seccomp sandbox.
-class NaClNonSfiBPFSandboxPolicy : public sandbox::SandboxBPFPolicy {
+class NaClNonSfiBPFSandboxPolicy
+    : public sandbox::bpf_dsl::SandboxBPFPolicyDSL {
  public:
   explicit NaClNonSfiBPFSandboxPolicy() {}
   virtual ~NaClNonSfiBPFSandboxPolicy() {}
 
-  virtual sandbox::ErrorCode EvaluateSyscall(sandbox::SandboxBPF* sb,
-                                             int sysno) const OVERRIDE;
+  virtual sandbox::bpf_dsl::ResultExpr EvaluateSyscall(
+      int sysno) const OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NaClNonSfiBPFSandboxPolicy);
 };
 
 // Initializes seccomp-bpf sandbox for non-SFI NaCl. Returns false on
 // failure.
 bool InitializeBPFSandbox();
 
 }  // namespace nonsfi
 }  // namespace nacl
 
 #endif  // COMPONENTS_NACL_LOADER_NONSFI_NONSFI_SANDBOX_H_