Index: sync/internal_api/public/engine/model_safe_worker.h |
diff --git a/sync/internal_api/public/engine/model_safe_worker.h b/sync/internal_api/public/engine/model_safe_worker.h |
index 02f3ca1fa2b18f8ce100ffedbda7342b5edc2e99..b7e2b16afa87b9414c821e2a2b2e46400e11b50b 100644 |
--- a/sync/internal_api/public/engine/model_safe_worker.h |
+++ b/sync/internal_api/public/engine/model_safe_worker.h |
@@ -133,7 +133,12 @@ class SYNC_EXPORT ModelSafeWorker |
// observation from sync thread when shutting down sync. |
base::Lock working_loop_lock_; |
base::MessageLoop* working_loop_; |
- base::WaitableEvent working_loop_set_wait_; |
+ // Callback passed with UnregisterForLoopDestruction. Normally this |
Nicolas Zea
2014/10/17 16:16:52
nit: newline above
|
+ // remains unset/unused and is stored only if |working_loop_| isn't |
+ // initialized by the time UnregisterForLoopDestruction is called. |
+ // It is safe to copy and thread safe. |
+ // See comments in model_safe_worker.cc for more details. |
+ base::Callback<void(ModelSafeGroup)> unregister_done_callback_; |
}; |
// A map that details which ModelSafeGroup each ModelType |