[LayoutNG] Move NGFloatingObject off Oilpan

third_party/WebKit/Source/core/layout/ng/ng_physical_box_fragment.h

Index: third_party/WebKit/Source/core/layout/ng/ng_physical_box_fragment.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_physical_box_fragment.h b/third_party/WebKit/Source/core/layout/ng/ng_physical_box_fragment.h
index f8031d4702fb24fcd9a8dbad928fc49663b7b136..c6c1542cbc25c315ba3eff0646a9a9d75d44346b 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_physical_box_fragment.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_physical_box_fragment.h
@@ -8,8 +8,8 @@
 #include "core/CoreExport.h"
 #include "core/layout/ng/geometry/ng_logical_offset.h"
 #include "core/layout/ng/geometry/ng_margin_strut.h"
+#include "core/layout/ng/ng_floating_object.h"
 #include "core/layout/ng/ng_physical_fragment.h"
-#include "platform/heap/Handle.h"
 #include "wtf/Optional.h"
 
 namespace blink {
@@ -23,7 +23,7 @@ class CORE_EXPORT NGPhysicalBoxFragment final : public NGPhysicalFragment {
                         NGPhysicalSize size,
                         NGPhysicalSize overflow,
                         Vector<RefPtr<NGPhysicalFragment>>& children,
-                        Vector<Persistent<NGFloatingObject>>& positioned_floats,
+                        Vector<RefPtr<NGFloatingObject>>& positioned_floats,
                         const WTF::Optional<NGLogicalOffset>& bfc_offset,
                         const NGMarginStrut& end_margin_strut,
                         RefPtr<NGBreakToken> break_token = nullptr);
@@ -35,7 +35,7 @@ class CORE_EXPORT NGPhysicalBoxFragment final : public NGPhysicalFragment {
   // List of positioned floats that need to be copied to the old layout tree.
   // TODO(layout-ng): remove this once we change painting code to handle floats
   // differently.
-  const Vector<Persistent<NGFloatingObject>>& PositionedFloats() const {
+  const Vector<RefPtr<NGFloatingObject>>& PositionedFloats() const {
     return positioned_floats_;
   }
 
@@ -47,7 +47,7 @@ class CORE_EXPORT NGPhysicalBoxFragment final : public NGPhysicalFragment {
 
  private:
   Vector<RefPtr<NGPhysicalFragment>> children_;
-  Vector<Persistent<NGFloatingObject>> positioned_floats_;
+  Vector<RefPtr<NGFloatingObject>> positioned_floats_;
   const WTF::Optional<NGLogicalOffset> bfc_offset_;
   const NGMarginStrut end_margin_strut_;
 };