Revert of [profiler] Implement POC Sampling Heap Profiler

src/profiler/heap-profiler.cc

Index: src/profiler/heap-profiler.cc
diff --git a/src/profiler/heap-profiler.cc b/src/profiler/heap-profiler.cc
index 1305cae66ea1ad097c1a726705ebdbb604a556cf..4403e5d6c9c965cea6851644097200f90b6a64e8 100644
--- a/src/profiler/heap-profiler.cc
+++ b/src/profiler/heap-profiler.cc
@@ -8,7 +8,6 @@
 #include "src/debug/debug.h"
 #include "src/profiler/allocation-tracker.h"
 #include "src/profiler/heap-snapshot-generator-inl.h"
-#include "src/profiler/sampling-heap-profiler.h"
 
 namespace v8 {
 namespace internal {
@@ -85,31 +84,6 @@
 }
 
 
-bool HeapProfiler::StartSamplingHeapProfiler(uint64_t sample_interval,
-                                             int stack_depth) {
-  if (sampling_heap_profiler_.get()) {
-    return false;
-  }
-  sampling_heap_profiler_.Reset(new SamplingHeapProfiler(
-      heap(), names_.get(), sample_interval, stack_depth));
-  return true;
-}
-
-
-void HeapProfiler::StopSamplingHeapProfiler() {
-  sampling_heap_profiler_.Reset(nullptr);
-}
-
-
-v8::AllocationProfile* HeapProfiler::GetAllocationProfile() {
-  if (sampling_heap_profiler_.get()) {
-    return sampling_heap_profiler_->GetAllocationProfile();
-  } else {
-    return nullptr;
-  }
-}
-
-
 void HeapProfiler::StartHeapObjectsTracking(bool track_allocations) {
   ids_->UpdateHeapObjectsMap();
   is_tracking_object_moves_ = true;