94     WaitableEvent completion(WaitableEvent::ResetPolicy::MANUAL,  in CreateArrowFromTarget()  local
98                                   arrow, target, &completion));  in CreateArrowFromTarget()
99     completion.Wait();  in CreateArrowFromTarget()
103     WaitableEvent completion(WaitableEvent::ResetPolicy::MANUAL,  in CreateArrowFromArrow()  local
107                                   arrow, other, &completion));  in CreateArrowFromArrow()
108     completion.Wait();  in CreateArrowFromArrow()
112     WaitableEvent completion(WaitableEvent::ResetPolicy::MANUAL,  in DeleteTarget()  local
116         base::BindOnce(&BackgroundThread::DoDeleteTarget, object, &completion));  in DeleteTarget()
117     completion.Wait();  in DeleteTarget()
121     WaitableEvent completion(WaitableEvent::ResetPolicy::MANUAL,  in CopyAndAssignArrow()  local
125                                   object, &completion));  in CopyAndAssignArrow()
126     completion.Wait();  in CopyAndAssignArrow()
130     WaitableEvent completion(WaitableEvent::ResetPolicy::MANUAL,  in CopyAndAssignArrowBase()  local
134                                   object, &completion));  in CopyAndAssignArrowBase()
135     completion.Wait();  in CopyAndAssignArrowBase()
139     WaitableEvent completion(WaitableEvent::ResetPolicy::MANUAL,  in DeleteArrow()  local
143         base::BindOnce(&BackgroundThread::DoDeleteArrow, object, &completion));  in DeleteArrow()
144     completion.Wait();  in DeleteArrow()
148     WaitableEvent completion(WaitableEvent::ResetPolicy::MANUAL,  in DeRef()  local
153                                   &completion));  in DeRef()
154     completion.Wait();  in DeRef()
161                                      WaitableEvent* completion) {  in DoCreateArrowFromArrow()  argument
164     completion->Signal();  in DoCreateArrowFromArrow()
169                                       WaitableEvent* completion) {  in DoCreateArrowFromTarget()  argument
172     completion->Signal();  in DoCreateArrowFromTarget()
177                       WaitableEvent* completion) {  in DoDeRef()  argument
179     completion->Signal();  in DoDeRef()
182   static void DoDeleteTarget(Target* object, WaitableEvent* completion) {  in DoDeleteTarget()  argument
184     completion->Signal();  in DoDeleteTarget()
187   static void DoCopyAndAssignArrow(Arrow* object, WaitableEvent* completion) {  in DoCopyAndAssignArrow()  argument
192     completion->Signal();  in DoCopyAndAssignArrow()
197       WaitableEvent* completion) {  in DoCopyAndAssignArrowBase()  argument
203     completion->Signal();  in DoCopyAndAssignArrowBase()
206   static void DoDeleteArrow(Arrow* object, WaitableEvent* completion) {  in DoDeleteArrow()  argument
208     completion->Signal();  in DoDeleteArrow()