Revert of [heap] Do not invoke GC to make heap iterable.

src/profiler/heap-snapshot-generator.h

Index: src/profiler/heap-snapshot-generator.h
diff --git a/src/profiler/heap-snapshot-generator.h b/src/profiler/heap-snapshot-generator.h
index 1e8f50befc2829e84cd7729e3a8a71f3301d2040..255f61da6c654afa199a29fea6ca94c231188341 100644
--- a/src/profiler/heap-snapshot-generator.h
+++ b/src/profiler/heap-snapshot-generator.h
@@ -19,7 +19,6 @@
 class HeapIterator;
 class HeapProfiler;
 class HeapSnapshot;
-enum class HeapObjectsFiltering;
 class SnapshotFiller;
 
 class HeapGraphEdge BASE_EMBEDDED {
@@ -364,8 +363,8 @@
 
   const char* GetSystemEntryName(HeapObject* object);
 
-  template <V8HeapExplorer::ExtractReferencesMethod extractor>
-  bool IterateAndExtractSinglePass(HeapObjectsFiltering filtering);
+  template<V8HeapExplorer::ExtractReferencesMethod extractor>
+  bool IterateAndExtractSinglePass();
 
   bool ExtractReferencesPass1(int entry, HeapObject* obj);
   bool ExtractReferencesPass2(int entry, HeapObject* obj);