Convert //sandbox to use std::unique_ptr

sandbox/linux/seccomp-bpf/bpf_tests.h

 // Copyright (c) 2012 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 SANDBOX_LINUX_SECCOMP_BPF_BPF_TESTS_H__
 #define SANDBOX_LINUX_SECCOMP_BPF_BPF_TESTS_H__
 
+#include <memory>
+
 #include "base/logging.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "sandbox/linux/seccomp-bpf/bpf_tester_compatibility_delegate.h"
 #include "sandbox/linux/tests/unit_tests.h"
 
 namespace sandbox {
 
 // BPF_TEST_C() is a special version of SANDBOX_TEST(). It runs a test function
 // in a sub-process, under a seccomp-bpf policy specified in
@@ skipping 79 matching lines @@
 // class name as a template parameter to implement the BPFTesterDelegate
 // interface which can be used to build BPF unittests with
 // the SandboxBPFTestRunner class.
 template <class PolicyClass>
 class BPFTesterSimpleDelegate : public BPFTesterDelegate {
  public:
   explicit BPFTesterSimpleDelegate(void (*test_function)(void))
       : test_function_(test_function) {}
   ~BPFTesterSimpleDelegate() override {}
 
-  scoped_ptr<bpf_dsl::Policy> GetSandboxBPFPolicy() override {
-    return scoped_ptr<bpf_dsl::Policy>(new PolicyClass());
+  std::unique_ptr<bpf_dsl::Policy> GetSandboxBPFPolicy() override {
+    return std::unique_ptr<bpf_dsl::Policy>(new PolicyClass());
   }
   void RunTestFunction() override {
     DCHECK(test_function_);
     test_function_();
   }
 
  private:
   void (*test_function_)(void);
   DISALLOW_COPY_AND_ASSIGN(BPFTesterSimpleDelegate);
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_LINUX_SECCOMP_BPF_BPF_TESTS_H__