[Sync] Move some things from driver to base.

components/sync/driver/glue/sync_backend_host_core.h

 // Copyright 2013 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 COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_
 #define COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/timer/timer.h"
 #include "components/invalidation/public/invalidation.h"
 #include "components/sync/base/cancelation_signal.h"
+#include "components/sync/base/system_encryptor.h"
 #include "components/sync/core/shutdown_reason.h"
 #include "components/sync/core/sync_encryption_handler.h"
 #include "components/sync/driver/glue/sync_backend_host_impl.h"
-#include "components/sync/driver/system_encryptor.h"
 #include "components/sync/engine/cycle/type_debug_info_observer.h"
 #include "url/gurl.h"
 
 namespace syncer {
 
 class SyncBackendHostImpl;
 
 // Utility struct for holding initialization options.
 struct DoInitializeOptions {
   DoInitializeOptions(
@@ skipping 281 matching lines @@
   std::map<ModelType, int64_t> last_invalidation_versions_;
 
   base::WeakPtrFactory<SyncBackendHostCore> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHostCore);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_CORE_H_