AsyncWaiter        22 base/synchronization/waitable_event_watcher.h class AsyncWaiter;
AsyncWaiter       103 base/synchronization/waitable_event_watcher.h   AsyncWaiter* waiter_;
AsyncWaiter        61 base/synchronization/waitable_event_watcher_posix.cc   AsyncWaiter(MessageLoop* message_loop,
AsyncWaiter       171 base/synchronization/waitable_event_watcher_posix.cc   waiter_ = new AsyncWaiter(current_ml, internal_callback_, cancel_flag_.get());