Nuke SamplerRegistry

src/log.cc

Index: src/log.cc
diff --git a/src/log.cc b/src/log.cc
index 3984d01213e55fe7258f1234a5a2d9d51a0701ff..12a365fea558d0c5cdbc10f63e2f213db8e58069 100644
--- a/src/log.cc
+++ b/src/log.cc
@@ -1929,65 +1929,4 @@ FILE* Logger::TearDown() {
   return log_->Close();
 }
 
-
-// Protects the state below.
-static Mutex* active_samplers_mutex = NULL;
-
-List<Sampler*>* SamplerRegistry::active_samplers_ = NULL;
-
-
-void SamplerRegistry::SetUp() {
-  if (!active_samplers_mutex) {
-    active_samplers_mutex = OS::CreateMutex();
-  }
-}
-
-
-bool SamplerRegistry::IterateActiveSamplers(VisitSampler func, void* param) {
-  ScopedLock lock(active_samplers_mutex);
-  for (int i = 0;
-       ActiveSamplersExist() && i < active_samplers_->length();
-       ++i) {
-    func(active_samplers_->at(i), param);
-  }
-  return ActiveSamplersExist();
-}
-
-
-static void ComputeCpuProfiling(Sampler* sampler, void* flag_ptr) {
-  bool* flag = reinterpret_cast<bool*>(flag_ptr);
-  *flag |= sampler->IsProfiling();
-}
-
-
-SamplerRegistry::State SamplerRegistry::GetState() {
-  bool flag = false;
-  if (!IterateActiveSamplers(&ComputeCpuProfiling, &flag)) {
-    return HAS_NO_SAMPLERS;
-  }
-  return flag ? HAS_CPU_PROFILING_SAMPLERS : HAS_SAMPLERS;
-}
-
-
-void SamplerRegistry::AddActiveSampler(Sampler* sampler) {
-  ASSERT(sampler->IsActive());
-  ScopedLock lock(active_samplers_mutex);
-  if (active_samplers_ == NULL) {
-    active_samplers_ = new List<Sampler*>;
-  } else {
-    ASSERT(!active_samplers_->Contains(sampler));
-  }
-  active_samplers_->Add(sampler);
-}
-
-
-void SamplerRegistry::RemoveActiveSampler(Sampler* sampler) {
-  ASSERT(sampler->IsActive());
-  ScopedLock lock(active_samplers_mutex);
-  ASSERT(active_samplers_ != NULL);
-  bool removed = active_samplers_->RemoveElement(sampler);
-  ASSERT(removed);
-  USE(removed);
-}
-
 } }  // namespace v8::internal