Convert //ppapi to use std::unique_ptr

ppapi/proxy/udp_socket_filter.h

 // Copyright 2015 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 PPAPI_PROXY_UDP_SOCKET_FILTER_H_
 #define PPAPI_PROXY_UDP_SOCKET_FILTER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
 #include <queue>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/ref_counted.h"
 #include "ppapi/c/ppb_udp_socket.h"
 #include "ppapi/c/private/ppb_net_address_private.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/ppapi_proxy_export.h"
@@ skipping 102 matching lines @@
                                  int32_t result,
                                  const std::string& data,
                                  const PP_NetAddress_Private& addr);
 
   // lock_ protects queues_.
   //
   // Lock order (if >1 acquired):
   // 1 ppapi::ProxyLock
   // \-->2 Filter lock_
   mutable base::Lock lock_;
-  base::ScopedPtrHashMap<PP_Resource, scoped_ptr<RecvQueue>> queues_;
+  base::ScopedPtrHashMap<PP_Resource, std::unique_ptr<RecvQueue>> queues_;
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_UDP_SOCKET_FILTER_H_