Convert //sandbox to use std::unique_ptr

sandbox/mac/os_compatibility.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/mac/os_compatibility.h"
 
 #include <servers/bootstrap.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <unistd.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
+#include "base/memory/ptr_util.h"
 #include "sandbox/mac/xpc.h"
 
 namespace sandbox {
 
 namespace {
 
 #pragma pack(push, 4)
 // Verified from launchd-329.3.3 (10.6.8).
 // look_up2_reply_10_7 is the same as the 10_6 version.
 struct look_up2_reply_10_7 {
@@ skipping 148 matching lines @@
   bool IsSwapIntegerReadOnly(const IPCMessage message) override {
     return xpc_dictionary_get_bool(message.xpc, "set") == false &&
            xpc_dictionary_get_uint64(message.xpc, "ingsk") == 0 &&
            xpc_dictionary_get_int64(message.xpc, "in") == 0;
   }
 };
 
 }  // namespace
 
 // static
-scoped_ptr<OSCompatibility> OSCompatibility::CreateForPlatform() {
+std::unique_ptr<OSCompatibility> OSCompatibility::CreateForPlatform() {
   if (base::mac::IsOSLionOrLater() && base::mac::IsOSMavericksOrEarlier())
-    return make_scoped_ptr(new OSCompatibility_10_7());
+    return base::WrapUnique(new OSCompatibility_10_7());
   else
-    return make_scoped_ptr(new OSCompatibility_10_10());
+    return base::WrapUnique(new OSCompatibility_10_10());
 }
 
 OSCompatibility::~OSCompatibility() {}
 
 }  // namespace sandbox