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

chrome/browser/prefs/pref_model_associator.h

 // Copyright (c) 2011 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_PREFS_PREF_MODEL_ASSOCIATOR_H_
 #define CHROME_BROWSER_PREFS_PREF_MODEL_ASSOCIATOR_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 25 matching lines @@
   virtual ~PrefModelAssociator();
 
   // SyncableService implementation.
   virtual SyncDataList GetAllSyncData(syncable::ModelType type) const OVERRIDE;
   virtual SyncError ProcessSyncChanges(
       const tracked_objects::Location& from_here,
       const SyncChangeList& change_list) OVERRIDE;
   virtual SyncError MergeDataAndStartSyncing(
       syncable::ModelType type,
       const SyncDataList& initial_sync_data,
-      SyncChangeProcessor* sync_processor) OVERRIDE;
+      scoped_ptr<SyncChangeProcessor> sync_processor) OVERRIDE;
   virtual void StopSyncing(syncable::ModelType type) OVERRIDE;
 
   // Returns the list of preference names that are registered as syncable, and
   // hence should be monitored for changes.
   std::set<std::string> registered_preferences() const;
 
   // Register a preference with the specified name for syncing. We do not care
   // about the type at registration time, but when changes arrive from the
   // syncer, we check if they can be applied and if not drop them.
   // Note: This should only be called at profile startup time (before sync
@@ skipping 77 matching lines @@
   // Note: this set never decreases, only grows to eventually match
   // registered_preferences_ as more preferences are synced. It determines
   // whether a preference change should update an existing sync node or create
   // a new sync node.
   PreferenceSet synced_preferences_;
 
   // The PrefService we are syncing to.
   PrefService* pref_service_;
 
   // Sync's SyncChange handler. We push all our changes through this.
-  SyncChangeProcessor* sync_processor_;
+  scoped_ptr<SyncChangeProcessor> sync_processor_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefModelAssociator);
 };
 
 #endif  // CHROME_BROWSER_PREFS_PREF_MODEL_ASSOCIATOR_H_