filter_          6543 src/heap.cc          filter_ = new UnreachableObjectsFilter;
filter_          6564 src/heap.cc      delete filter_;
filter_          6565 src/heap.cc      filter_ = NULL;
filter_          6570 src/heap.cc      if (filter_ == NULL) return NextObject();
filter_          6573 src/heap.cc      while (obj != NULL && filter_->SkipObject(obj)) obj = NextObject();
filter_          2239 src/heap.h       HeapObjectsFilter* filter_;
filter_           833 src/liveobjectlist.cc   inline LolFilter* filter() { return filter_; }
filter_           845 src/liveobjectlist.cc   LolFilter* filter_;