Convert //sync from scoped_ptr to std::unique_ptr

sync/test/engine/mock_connection_manager.h

 // Copyright (c) 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.
 //
 // Mock ServerConnectionManager class for use in client unit tests.
 
 #ifndef SYNC_TEST_ENGINE_MOCK_CONNECTION_MANAGER_H_
 #define SYNC_TEST_ENGINE_MOCK_CONNECTION_MANAGER_H_
 
 #include <stdint.h>
@@ skipping 376 matching lines @@
   // Whether we are faking a server mandating clients to partial throttle
   // requests.
   // Protected by |response_code_override_lock_|.
   bool partialThrottling_;
 
   base::Lock response_code_override_lock_;
 
   // True if we are only accepting GetUpdatesCallerInfo::PERIODIC requests.
   bool fail_non_periodic_get_updates_;
 
-  scoped_ptr<sync_pb::ClientCommand> gu_client_command_;
-  scoped_ptr<sync_pb::ClientCommand> commit_client_command_;
+  std::unique_ptr<sync_pb::ClientCommand> gu_client_command_;
+  std::unique_ptr<sync_pb::ClientCommand> commit_client_command_;
 
   // The next value to use for the position_in_parent property.
   int64_t next_position_in_parent_;
 
   // The default is to use the newer sync_pb::BookmarkSpecifics-style protocol.
   // If this option is set to true, then the MockConnectionManager will
   // use the older sync_pb::SyncEntity_BookmarkData-style protocol.
   bool use_legacy_bookmarks_protocol_;
 
   ModelTypeSet expected_filter_;
 
   ModelTypeSet throttled_type_;
 
   int num_get_updates_requests_;
 
   std::string next_token_;
 
   std::vector<sync_pb::ClientToServerMessage> requests_;
 
   DISALLOW_COPY_AND_ASSIGN(MockConnectionManager);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_TEST_ENGINE_MOCK_CONNECTION_MANAGER_H_