object_id          92 sync/internal_api/public/base/invalidation.cc invalidation::ObjectId Invalidation::object_id() const {
object_id          19 sync/notifier/dropped_invalidation_tracker.cc const invalidation::ObjectId& DroppedInvalidationTracker::object_id() const {
object_id          32 sync/notifier/unacked_invalidation_set.cc const invalidation::ObjectId& UnackedInvalidationSet::object_id() const {