848         profiler_(nullptr),  in Ticker()
857     DCHECK_NULL(profiler_);  in SetProfiler()
858     profiler_ = profiler;  in SetProfiler()
865     profiler_ = nullptr;  in ClearProfiler()
872     if (!profiler_) return;  in SampleStack()
876     profiler_->Insert(&sample);  in SampleStack()
880   Profiler* profiler_;  member in v8::internal::Ticker
960       profiler_(nullptr),  in Logger()
1748   if (profiler_ != nullptr) {  in StopProfiler()
1749     profiler_->Pause();  in StopProfiler()
1983     profiler_ = new Profiler(isolate);  in SetUp()
1985     profiler_->Engage();  in SetUp()
2020   if (profiler_ != nullptr) {  in StopProfilerThread()
2021     profiler_->Disengage();  in StopProfilerThread()
2022     delete profiler_;  in StopProfilerThread()
2023     profiler_ = nullptr;  in StopProfilerThread()