Convert //sync from scoped_ptr to std::unique_ptr

sync/util/cryptographer.h

 // Copyright 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 SYNC_UTIL_CRYPTOGRAPHER_H_
 #define SYNC_UTIL_CRYPTOGRAPHER_H_
 
 #include <map>
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
-#include "base/memory/scoped_ptr.h"
 #include "sync/base/sync_export.h"
 #include "sync/protocol/encryption.pb.h"
 #include "sync/util/nigori.h"
 
 namespace sync_pb {
 class NigoriKeyBag;
 class NigoriSpecifics;
 }
 
 namespace syncer {
@@ skipping 167 matching lines @@
  private:
   typedef std::map<std::string, linked_ptr<const Nigori> > NigoriMap;
 
   // Helper method to instantiate Nigori instances for each set of key
   // parameters in |bag|.
   // Does not update the default nigori.
   void InstallKeyBag(const sync_pb::NigoriKeyBag& bag);
 
   // Helper method to add a nigori to the keybag, optionally making it the
   // default as well.
-  bool AddKeyImpl(scoped_ptr<Nigori> nigori, bool set_as_default);
+  bool AddKeyImpl(std::unique_ptr<Nigori> nigori, bool set_as_default);
 
   // Helper to unencrypt a bootstrap token into a serialized sync_pb::NigoriKey.
   std::string UnpackBootstrapToken(const std::string& token) const;
 
   Encryptor* const encryptor_;
 
   // The Nigoris we know about, mapped by key name.
   NigoriMap nigoris_;
 
   // The key name associated with the default nigori. If non-empty, must
   // correspond to a nigori within |nigoris_|.
   std::string default_nigori_name_;
 
-  scoped_ptr<sync_pb::EncryptedData> pending_keys_;
+  std::unique_ptr<sync_pb::EncryptedData> pending_keys_;
 
   DISALLOW_ASSIGN(Cryptographer);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_UTIL_CRYPTOGRAPHER_H_