[Sync] Adds a new switch for enabling the new local server backend.

components/sync/engine_impl/sync_manager_impl.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 COMPONENTS_SYNC_ENGINE_IMPL_SYNC_MANAGER_IMPL_H_
 #define COMPONENTS_SYNC_ENGINE_IMPL_SYNC_MANAGER_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 20 matching lines @@
 #include "components/sync/syncable/change_reorder_buffer.h"
 #include "components/sync/syncable/directory_change_delegate.h"
 #include "components/sync/syncable/user_share.h"
 #include "net/base/network_change_notifier.h"
 
 class GURL;
 
 namespace syncer {
 
 class ModelTypeRegistry;
-class SyncServerConnectionManager;
 class SyncCycleContext;
 class TypeDebugInfoObserver;
 class WriteNode;
 class WriteTransaction;
 
 // SyncManager encapsulates syncable::Directory and serves as the parent of all
 // other objects in the sync API.  If multiple threads interact with the same
 // local sync repository (i.e. the same sqlite database), they should share a
 // single SyncManager instance.  The caller should typically create one
 // SyncManager for the lifetime of a user session.
@@ skipping 219 matching lines @@
   UserShare share_;
 
   // This can be called from any thread, but only between calls to
   // OpenDirectory() and ShutdownOnSyncThread().
   WeakHandle<SyncManager::ChangeObserver> change_observer_;
 
   base::ObserverList<SyncManager::Observer> observers_;
 
   // The ServerConnectionManager used to abstract communication between the
   // client (the Syncer) and the sync server.
-  std::unique_ptr<SyncServerConnectionManager> connection_manager_;
+  std::unique_ptr<ServerConnectionManager> connection_manager_;
 
   // Maintains state that affects the way we interact with different sync types.
   // This state changes when entering or exiting a configuration cycle.
   std::unique_ptr<ModelTypeRegistry> model_type_registry_;
 
   // A container of various bits of information used by the SyncScheduler to
   // create SyncCycles.  Must outlive the SyncScheduler.
   std::unique_ptr<SyncCycleContext> cycle_context_;
 
   // The scheduler that runs the Syncer. Needs to be explicitly
@@ skipping 42 matching lines @@
   std::unique_ptr<SyncEncryptionHandlerImpl> sync_encryption_handler_;
 
   base::WeakPtrFactory<SyncManagerImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncManagerImpl);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_ENGINE_IMPL_SYNC_MANAGER_IMPL_H_