NextMetahandle    177 sync/syncable/directory.h   int64 NextMetahandle();
NextMetahandle     34 sync/syncable/model_neutral_mutable_entry.cc   kernel->put(META_HANDLE, trans->directory()->NextMetahandle());
NextMetahandle     30 sync/syncable/mutable_entry.cc   kernel->put(META_HANDLE, trans->directory_->NextMetahandle());