IterateAllRoots   171 src/global-handles.h   void IterateAllRoots(ObjectVisitor* v);
IterateAllRoots  5721 src/heap.cc          isolate_->global_handles()->IterateAllRoots(v);
IterateAllRoots  2689 src/profile-generator.cc   isolate->global_handles()->IterateAllRoots(&enumerator);