Convert //sync from scoped_ptr to std::unique_ptr

sync/internal_api/events/get_updates_response_event.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 "sync/internal_api/public/events/get_updates_response_event.h"
 
 #include "base/strings/stringprintf.h"
 #include "sync/protocol/proto_value_conversions.h"
 
 namespace syncer {
@@ skipping 24 matching lines @@
                                 response_.get_updates().entries_size());
     case SERVER_MORE_TO_DOWNLOAD:
       return base::StringPrintf("Received %d update(s).  Some updates remain.",
                                 response_.get_updates().entries_size());
     default:
       return base::StringPrintf("Received error: %s",
                                 GetSyncerErrorString(error_));
   }
 }
 
-scoped_ptr<base::DictionaryValue>
+std::unique_ptr<base::DictionaryValue>
 GetUpdatesResponseEvent::GetProtoMessage() const {
-  return scoped_ptr<base::DictionaryValue>(
+  return std::unique_ptr<base::DictionaryValue>(
       ClientToServerResponseToValue(response_, false));
 }
 
-scoped_ptr<ProtocolEvent> GetUpdatesResponseEvent::Clone() const {
-  return scoped_ptr<ProtocolEvent>(
-      new GetUpdatesResponseEvent(
-          timestamp_,
-          response_,
-          error_));
+std::unique_ptr<ProtocolEvent> GetUpdatesResponseEvent::Clone() const {
+  return std::unique_ptr<ProtocolEvent>(
+      new GetUpdatesResponseEvent(timestamp_, response_, error_));
 }
 
 }  // namespace syncer