[Sync] Stop deleting LevelDB files when deleting Directory

components/sync/driver/glue/sync_backend_host_impl.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_IMPL_H_
 #define COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 31 matching lines @@
 class SyncBackendRegistrar;
 class SyncClient;
 class SyncPrefs;
 
 // The only real implementation of the SyncEngine. See that interface's
 // definition for documentation of public methods.
 class SyncBackendHostImpl : public SyncEngine, public InvalidationHandler {
  public:
   typedef SyncStatus Status;
 
-  SyncBackendHostImpl(
-      const std::string& name,
-      SyncClient* sync_client,
-      invalidation::InvalidationService* invalidator,
-      const base::WeakPtr<SyncPrefs>& sync_prefs,
-      const base::FilePath& sync_folder);
+  SyncBackendHostImpl(const std::string& name,
+                      SyncClient* sync_client,
+                      invalidation::InvalidationService* invalidator,
+                      const base::WeakPtr<SyncPrefs>& sync_prefs,
+                      const base::FilePath& sync_data_folder);
   ~SyncBackendHostImpl() override;
 
   // SyncEngine implementation.
   void Initialize(InitParams params) override;
   void TriggerRefresh(const ModelTypeSet& types) override;
   void UpdateCredentials(const SyncCredentials& credentials) override;
   void StartSyncingWithServer() override;
   void SetEncryptionPassphrase(const std::string& passphrase,
                                bool is_explicit) override;
   bool SetDecryptionPassphrase(const std::string& passphrase) override
@@ skipping 246 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<SyncBackendHostImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncBackendHostImpl);
 };
 
 }  // namespace syncer
 
 #endif  // COMPONENTS_SYNC_DRIVER_GLUE_SYNC_BACKEND_HOST_IMPL_H_