[Sync] Have SyncableService's take ownership of their SyncChangeProcessor.

chrome/browser/extensions/settings/settings_backend.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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_SETTINGS_SETTINGS_BACKEND_H_
 #define CHROME_BROWSER_EXTENSIONS_SETTINGS_SETTINGS_BACKEND_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
@@ skipping 30 matching lines @@
   SettingsStorage* GetStorage(const std::string& extension_id) const;
 
   // Deletes all setting data for an extension. Call on the FILE thread.
   void DeleteStorage(const std::string& extension_id);
 
   // SyncableService implementation.
   virtual SyncDataList GetAllSyncData(syncable::ModelType type) const OVERRIDE;
   virtual SyncError MergeDataAndStartSyncing(
       syncable::ModelType type,
       const SyncDataList& initial_sync_data,
-      SyncChangeProcessor* sync_processor) OVERRIDE;
+      scoped_ptr<SyncChangeProcessor> sync_processor) OVERRIDE;
   virtual SyncError ProcessSyncChanges(
       const tracked_objects::Location& from_here,
       const SyncChangeList& change_list) OVERRIDE;
   virtual void StopSyncing(syncable::ModelType type) OVERRIDE;
 
  private:
   // Gets a weak reference to the storage area for a given extension,
   // initializing sync with some initial data if sync enabled.
   SyncableSettingsStorage* GetOrCreateStorageWithSyncData(
       const std::string& extension_id,
@@ skipping 19 matching lines @@
   // Ensure that there is only ever one created per extension.
   typedef std::map<std::string, linked_ptr<SyncableSettingsStorage> >
       StorageObjMap;
   mutable StorageObjMap storage_objs_;
 
   // Current sync model type.  Will be UNSPECIFIED if sync hasn't been enabled
   // yet, and either SETTINGS or APP_SETTINGS if it has been.
   syncable::ModelType sync_type_;
 
   // Current sync processor, if any.
-  SyncChangeProcessor* sync_processor_;
+  scoped_ptr<SyncChangeProcessor> sync_processor_;
 
   DISALLOW_COPY_AND_ASSIGN(SettingsBackend);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_SETTINGS_SETTINGS_BACKEND_H_