Convert //sandbox to use std::unique_ptr

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 <memory>
+
 #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() {
 }
 
 void SandboxBPFTestRunner::Run() {
   DCHECK(bpf_tester_delegate_);
   sandbox::Die::EnableSimpleExit();
 
-  scoped_ptr<bpf_dsl::Policy> policy =
+  std::unique_ptr<bpf_dsl::Policy> policy =
       bpf_tester_delegate_->GetSandboxBPFPolicy();
 
   if (sandbox::SandboxBPF::SupportsSeccompSandbox(
           SandboxBPF::SeccompLevel::SINGLE_THREADED)) {
     // Initialize and then start the sandbox with our custom policy
     sandbox::SandboxBPF sandbox(policy.release());
     SANDBOX_ASSERT(sandbox.StartSandbox(
         sandbox::SandboxBPF::SeccompLevel::SINGLE_THREADED));
 
     // Run the actual test.
@@ skipping 14 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