Convert //sandbox to use std::unique_ptr

sandbox/mac/os_compatibility.h

 // 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.
 
 // This file is used to handle differences in Mach message IDs and structures
 // that occur between different OS versions. The Mach messages that the sandbox
 // is interested in are decoded using information derived from the open-source
 // libraries, i.e. <http://www.opensource.apple.com/source/launchd/>. While
 // these messages definitions are open source, they are not considered part of
 // the stable OS API, and so differences do exist between OS versions.
 
 #ifndef SANDBOX_MAC_OS_COMPATIBILITY_H_
 #define SANDBOX_MAC_OS_COMPATIBILITY_H_
 
 #include <mach/mach.h>
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "sandbox/mac/message_server.h"
 
 namespace sandbox {
 
 class OSCompatibility {
  public:
   // Creates an OSCompatibility instance for the current OS X version.
-  static scoped_ptr<OSCompatibility> CreateForPlatform();
+  static std::unique_ptr<OSCompatibility> CreateForPlatform();
 
   virtual ~OSCompatibility();
 
   // Gets the message and subsystem ID of an IPC message.
   virtual uint64_t GetMessageSubsystem(const IPCMessage message) = 0;
   virtual uint64_t GetMessageID(const IPCMessage message) = 0;
 
   // Returns true if the message is a Launchd look up request.
   virtual bool IsServiceLookUpRequest(const IPCMessage message) = 0;
 
@@ skipping 14 matching lines @@
 
   // A function to take a swap_integer message and return true if the message
   // is only getting the value of a key, neither setting it directly, nor
   // swapping two keys.
   virtual bool IsSwapIntegerReadOnly(const IPCMessage message) = 0;
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_MAC_OS_COMPATIBILITY_H_