209     if (!chunk_ || handle.chunk_seq != chunk_->seq() ||  in GetEventByHandle()
214     return chunk_->GetEventAt(handle.event_index);  in GetEventByHandle()
236   std::unique_ptr<TraceBufferChunk> chunk_;  member in base::trace_event::TraceLog::ThreadLocalEventBuffer
277   if (chunk_ && chunk_->IsFull()) {  in AddTraceEvent()
280     chunk_.reset();  in AddTraceEvent()
282   if (!chunk_) {  in AddTraceEvent()
284     chunk_ = trace_log_->logged_events_->GetChunk(&chunk_index_);  in AddTraceEvent()
287   if (!chunk_)  in AddTraceEvent()
291   TraceEvent* trace_event = chunk_->AddTraceEvent(&event_index);  in AddTraceEvent()
293     MakeHandle(chunk_->seq(), chunk_index_, event_index, handle);  in AddTraceEvent()
304   if (!chunk_)  in OnMemoryDump()
309   chunk_->EstimateTraceMemoryOverhead(&overhead);  in OnMemoryDump()
315   if (!chunk_)  in FlushWhileLocked()
321     trace_log_->logged_events_->ReturnChunk(chunk_index_, std::move(chunk_));  in FlushWhileLocked()