[Sync] Move ModelType and related classes to 'syncer' namespace

chrome/browser/prefs/pref_model_associator.h

Index: chrome/browser/prefs/pref_model_associator.h
diff --git a/chrome/browser/prefs/pref_model_associator.h b/chrome/browser/prefs/pref_model_associator.h
index 4588b92b036d33c9917ab369375fee9c92956414..b26381694b64fe4b3b244ee2f6a5a156fd34546c 100644
--- a/chrome/browser/prefs/pref_model_associator.h
+++ b/chrome/browser/prefs/pref_model_associator.h
@@ -37,16 +37,16 @@ class PrefModelAssociator
 
   // syncer::SyncableService implementation.
   virtual syncer::SyncDataList GetAllSyncData(
-      syncable::ModelType type) const OVERRIDE;
+      syncer::ModelType type) const OVERRIDE;
   virtual syncer::SyncError ProcessSyncChanges(
       const tracked_objects::Location& from_here,
       const syncer::SyncChangeList& change_list) OVERRIDE;
   virtual syncer::SyncError MergeDataAndStartSyncing(
-      syncable::ModelType type,
+      syncer::ModelType type,
       const syncer::SyncDataList& initial_sync_data,
       scoped_ptr<syncer::SyncChangeProcessor> sync_processor,
       scoped_ptr<syncer::SyncErrorFactory> sync_error_factory) OVERRIDE;
-  virtual void StopSyncing(syncable::ModelType type) OVERRIDE;
+  virtual void StopSyncing(syncer::ModelType type) OVERRIDE;
 
   // Returns the list of preference names that are registered as syncable, and
   // hence should be monitored for changes.