Introduce NGFloatingObject

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 30d3c881a08998ae2d42126ecdf1d5d813545cb3..f08f1c5b0d3030a2c287f75f85cf1da3a18f786d 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
@@ -16,14 +16,18 @@ NGPhysicalFragment::NGPhysicalFragment(
     NGFragmentType type,
     HeapLinkedHashSet<WeakMember<NGBlockNode>>& out_of_flow_descendants,
     Vector<NGStaticPosition> out_of_flow_positions,
+    HeapVector<Member<NGFloatingObject>>& unpositioned_floats,
+    HeapVector<Member<NGFloatingObject>>& positioned_floats,
     NGBreakToken* break_token)
     : size_(size),
       overflow_(overflow),
       break_token_(break_token),
       type_(type),
-      has_been_placed_(false) {
+      is_placed_(false) {
   out_of_flow_descendants_.swap(out_of_flow_descendants);
   out_of_flow_positions_.swap(out_of_flow_positions);
+  unpositioned_floats_.swap(unpositioned_floats);
+  positioned_floats_.swap(positioned_floats);
 }
 
 DEFINE_TRACE(NGPhysicalFragment) {
@@ -43,6 +47,8 @@ void NGPhysicalFragment::finalizeGarbageCollectedObject() {
 DEFINE_TRACE_AFTER_DISPATCH(NGPhysicalFragment) {
   visitor->trace(out_of_flow_descendants_);
   visitor->trace(break_token_);
+  visitor->trace(unpositioned_floats_);
+  visitor->trace(positioned_floats_);
 }
 
 }  // namespace blink