489 class SamplerThread : public base::Thread {  class
493   explicit SamplerThread(int interval)  in SamplerThread()  function in v8::internal::SamplerThread
506       instance_ = new SamplerThread(sampler->interval());  in AddActiveSampler()
519     SamplerThread* instance_to_remove = NULL;  in RemoveActiveSampler()
563   static SamplerThread* instance_;
568   DISALLOW_COPY_AND_ASSIGN(SamplerThread);
572 base::Mutex* SamplerThread::mutex_ = NULL;
573 SamplerThread* SamplerThread::instance_ = NULL;
625   SamplerThread::SetUp();  in SetUp()
630   SamplerThread::TearDown();  in TearDown()
658   SamplerThread::AddActiveSampler(this);  in Start()
664   SamplerThread::RemoveActiveSampler(this);  in Stop()