Move oof-descendants to NGPhysicalFragmentBase

third_party/WebKit/Source/core/layout/ng/ng_physical_fragment.cc

Index: third_party/WebKit/Source/core/layout/ng/ng_physical_fragment.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_physical_fragment.cc b/third_party/WebKit/Source/core/layout/ng/ng_physical_fragment.cc
index 6af27e6df67bd692821a8f415c61a7c50372b46e..dd9da9c77a1e94ecc98119c709c022212b68b93c 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_physical_fragment.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_physical_fragment.cc
@@ -16,16 +16,17 @@ NGPhysicalFragment::NGPhysicalFragment(
     HeapLinkedHashSet<WeakMember<NGBlockNode>>& out_of_flow_descendants,
     Vector<NGStaticPosition>& out_of_flow_positions,
     NGMarginStrut margin_strut)
-    : NGPhysicalFragmentBase(size, overflow, kFragmentBox),
+    : NGPhysicalFragmentBase(size,
+                             overflow,
+                             kFragmentBox,
+                             out_of_flow_descendants,
+                             out_of_flow_positions),
       margin_strut_(margin_strut) {
   children_.swap(children);
-  out_of_flow_descendants_.swap(out_of_flow_descendants);
-  out_of_flow_positions_.swap(out_of_flow_positions);
 }
 
 DEFINE_TRACE_AFTER_DISPATCH(NGPhysicalFragment) {
   visitor->trace(children_);
-  visitor->trace(out_of_flow_descendants_);
   NGPhysicalFragmentBase::traceAfterDispatch(visitor);
 }