sandbox/linux: refactor bpf_dsl dependency on die.h

sandbox/linux/bpf_dsl/bpf_dsl.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 <limits>
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "sandbox/linux/bpf_dsl/bpf_dsl_impl.h"
 #include "sandbox/linux/bpf_dsl/policy_compiler.h"
-#include "sandbox/linux/seccomp-bpf/die.h"
 #include "sandbox/linux/seccomp-bpf/errorcode.h"
 
 namespace sandbox {
 namespace bpf_dsl {
 namespace {
 
-intptr_t BPFFailure(const struct arch_seccomp_data&, void* aux) {
-  SANDBOX_DIE(static_cast<char*>(aux));
-}
-
 class AllowResultExprImpl : public internal::ResultExprImpl {
  public:
   AllowResultExprImpl() {}
 
   ErrorCode Compile(PolicyCompiler* pc) const override {
     return ErrorCode(ErrorCode::ERR_ALLOWED);
   }
 
   bool IsAllow() const override { return true; }
 
@@ skipping 235 matching lines @@
 }  // namespace internal
 
 ResultExpr Allow() {
   return ResultExpr(new const AllowResultExprImpl());
 }
 
 ResultExpr Error(int err) {
   return ResultExpr(new const ErrorResultExprImpl(err));
 }
 
-ResultExpr Kill(const char* msg) {
-  return Trap(BPFFailure, msg);
-}
-
 ResultExpr Trace(uint16_t aux) {
   return ResultExpr(new const TraceResultExprImpl(aux));
 }
 
 ResultExpr Trap(TrapRegistry::TrapFnc trap_func, const void* aux) {
   return ResultExpr(
       new const TrapResultExprImpl(trap_func, aux, true /* safe */));
 }
 
 ResultExpr UnsafeTrap(TrapRegistry::TrapFnc trap_func, const void* aux) {
@@ skipping 63 matching lines @@
         new const IfThenResultExprImpl(clause.first, clause.second, expr));
   }
   return expr;
 }
 
 }  // namespace bpf_dsl
 }  // namespace sandbox
 
 template class scoped_refptr<const sandbox::bpf_dsl::internal::BoolExprImpl>;
 template class scoped_refptr<const sandbox::bpf_dsl::internal::ResultExprImpl>;