replace OVERRIDE and FINAL with override and final in sync/

sync/test/engine/mock_connection_manager.h

Index: sync/test/engine/mock_connection_manager.h
diff --git a/sync/test/engine/mock_connection_manager.h b/sync/test/engine/mock_connection_manager.h
index 6b95eab80161a57f82391988bd36c0aac298eb4d..43120803cd5e9913b8503fd9fa5297bcd32b9b21 100644
--- a/sync/test/engine/mock_connection_manager.h
+++ b/sync/test/engine/mock_connection_manager.h
@@ -42,7 +42,7 @@ class MockConnectionManager : public ServerConnectionManager {
       PostBufferParams*,
       const std::string& path,
       const std::string& auth_token,
-      ScopedServerStatusWatcher* watcher) OVERRIDE;
+      ScopedServerStatusWatcher* watcher) override;
 
   // Control of commit response.
   // NOTE: Commit callback is invoked only once then reset.