replace OVERRIDE and FINAL with override and final in sync/

sync/internal_api/public/engine/passive_model_worker.h

Index: sync/internal_api/public/engine/passive_model_worker.h
diff --git a/sync/internal_api/public/engine/passive_model_worker.h b/sync/internal_api/public/engine/passive_model_worker.h
index 783731b9dd69825de6d33a322b4be6a1b84fda13..bc95461b8c553d01db53c7c9f42171b5fc3196f8 100644
--- a/sync/internal_api/public/engine/passive_model_worker.h
+++ b/sync/internal_api/public/engine/passive_model_worker.h
@@ -22,12 +22,12 @@ class SYNC_EXPORT PassiveModelWorker : public ModelSafeWorker {
                               WorkerLoopDestructionObserver* observer);
 
   // ModelSafeWorker implementation. Called on the sync thread.
-  virtual void RegisterForLoopDestruction() OVERRIDE;
-  virtual ModelSafeGroup GetModelSafeGroup() OVERRIDE;
+  virtual void RegisterForLoopDestruction() override;
+  virtual ModelSafeGroup GetModelSafeGroup() override;
 
  protected:
   virtual SyncerError DoWorkAndWaitUntilDoneImpl(
-      const WorkCallback& work) OVERRIDE;
+      const WorkCallback& work) override;
 
  private:
   virtual ~PassiveModelWorker();