Update from chromium https://crrev.com/301315

sandbox/linux/seccomp-bpf/bpf_tests_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/seccomp-bpf/bpf_tests.h"
 
 #include <errno.h>
 #include <sys/ptrace.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
 #include <unistd.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 #include "sandbox/linux/bpf_dsl/bpf_dsl.h"
+#include "sandbox/linux/bpf_dsl/policy.h"
 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
 #include "sandbox/linux/services/linux_syscalls.h"
 #include "sandbox/linux/tests/unit_tests.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using sandbox::bpf_dsl::Allow;
 using sandbox::bpf_dsl::Error;
 using sandbox::bpf_dsl::ResultExpr;
-using sandbox::bpf_dsl::SandboxBPFDSLPolicy;
 
 namespace sandbox {
 
 namespace {
 
 class FourtyTwo {
  public:
   static const int kMagicValue = 42;
   FourtyTwo() : value_(kMagicValue) {}
   int value() { return value_; }
 
  private:
   int value_;
   DISALLOW_COPY_AND_ASSIGN(FourtyTwo);
 };
 
-class EmptyClassTakingPolicy : public SandboxBPFDSLPolicy {
+class EmptyClassTakingPolicy : public bpf_dsl::Policy {
  public:
   explicit EmptyClassTakingPolicy(FourtyTwo* fourty_two) {
     BPF_ASSERT(fourty_two);
     BPF_ASSERT(FourtyTwo::kMagicValue == fourty_two->value());
   }
   virtual ~EmptyClassTakingPolicy() {}
 
   virtual ResultExpr EvaluateSyscall(int sysno) const override {
     DCHECK(SandboxBPF::IsValidSyscallNumber(sysno));
     return Allow();
@@ skipping 20 matching lines @@
         simple_delegate(DummyTestFunction);
   }
   {
     // Test polymorphism.
     scoped_ptr<BPFTesterDelegate> simple_delegate(
         new BPFTesterCompatibilityDelegate<EmptyClassTakingPolicy, FourtyTwo>(
             DummyTestFunction));
   }
 }
 
-class EnosysPtracePolicy : public SandboxBPFDSLPolicy {
+class EnosysPtracePolicy : public bpf_dsl::Policy {
  public:
   EnosysPtracePolicy() {
     my_pid_ = syscall(__NR_getpid);
   }
   virtual ~EnosysPtracePolicy() {
     // Policies should be able to bind with the process on which they are
     // created. They should never be created in a parent process.
     BPF_ASSERT_EQ(my_pid_, syscall(__NR_getpid));
   }
 
@@ skipping 12 matching lines @@
  private:
   pid_t my_pid_;
   DISALLOW_COPY_AND_ASSIGN(EnosysPtracePolicy);
 };
 
 class BasicBPFTesterDelegate : public BPFTesterDelegate {
  public:
   BasicBPFTesterDelegate() {}
   virtual ~BasicBPFTesterDelegate() {}
 
-  virtual scoped_ptr<bpf_dsl::SandboxBPFDSLPolicy> GetSandboxBPFPolicy()
-      override {
-    return scoped_ptr<bpf_dsl::SandboxBPFDSLPolicy>(new EnosysPtracePolicy());
+  virtual scoped_ptr<bpf_dsl::Policy> GetSandboxBPFPolicy() override {
+    return scoped_ptr<bpf_dsl::Policy>(new EnosysPtracePolicy());
   }
   virtual void RunTestFunction() override {
     errno = 0;
     int ret = ptrace(PTRACE_TRACEME, -1, NULL, NULL);
     BPF_ASSERT(-1 == ret);
     BPF_ASSERT(ENOSYS == errno);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BasicBPFTesterDelegate);
@@ skipping 17 matching lines @@
                  BPFDeathTestWithInlineTest,
                  DEATH_MESSAGE(kHelloMessage),
                  EnosysPtracePolicy) {
   LOG(ERROR) << kHelloMessage;
   _exit(1);
 }
 
 }  // namespace
 
 }  // namespace sandbox