replace OVERRIDE and FINAL with override and final in sync/

sync/engine/directory_update_handler.h

Index: sync/engine/directory_update_handler.h
diff --git a/sync/engine/directory_update_handler.h b/sync/engine/directory_update_handler.h
index 73c18a01dfff04bc841343d3b16fff8bf3278ce1..270677441a3899666e3b3a0bce375b24a480fbd1 100644
--- a/sync/engine/directory_update_handler.h
+++ b/sync/engine/directory_update_handler.h
@@ -51,16 +51,16 @@ class SYNC_EXPORT_PRIVATE DirectoryUpdateHandler : public UpdateHandler {
 
   // UpdateHandler implementation.
   virtual void GetDownloadProgress(
-      sync_pb::DataTypeProgressMarker* progress_marker) const OVERRIDE;
+      sync_pb::DataTypeProgressMarker* progress_marker) const override;
   virtual void GetDataTypeContext(sync_pb::DataTypeContext* context) const
-      OVERRIDE;
+      override;
   virtual SyncerError ProcessGetUpdatesResponse(
       const sync_pb::DataTypeProgressMarker& progress_marker,
       const sync_pb::DataTypeContext& mutated_context,
       const SyncEntityList& applicable_updates,
-      sessions::StatusController* status) OVERRIDE;
-  virtual void ApplyUpdates(sessions::StatusController* status) OVERRIDE;
-  virtual void PassiveApplyUpdates(sessions::StatusController* status) OVERRIDE;
+      sessions::StatusController* status) override;
+  virtual void ApplyUpdates(sessions::StatusController* status) override;
+  virtual void PassiveApplyUpdates(sessions::StatusController* status) override;
 
  private:
   friend class DirectoryUpdateHandlerApplyUpdateTest;