[LayoutNG] Introduce NGPositionedFloat.

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 e2403211bf3ad016aae96aa2e542645b076567fa..d621f849d7991dd8acf10d2f182831d14665a619 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
@@ -10,12 +10,11 @@
 #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 "core/layout/ng/ng_positioned_float.h"
 #include "platform/wtf/Optional.h"
 
 namespace blink {
 
-struct NGFloatingObject;
-
 class CORE_EXPORT NGPhysicalBoxFragment final : public NGPhysicalFragment {
  public:
   // This modifies the passed-in children vector.
@@ -23,7 +22,7 @@ class CORE_EXPORT NGPhysicalBoxFragment final : public NGPhysicalFragment {
                         NGPhysicalSize size,
                         NGPhysicalSize overflow,
                         Vector<RefPtr<NGPhysicalFragment>>& children,
-                        Vector<RefPtr<NGFloatingObject>>& positioned_floats,
+                        Vector<NGPositionedFloat>& positioned_floats,
                         const WTF::Optional<NGLogicalOffset>& bfc_offset,
                         const NGMarginStrut& end_margin_strut,
                         RefPtr<NGBreakToken> break_token = nullptr);
@@ -38,7 +37,7 @@ 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<RefPtr<NGFloatingObject>>& PositionedFloats() const {
+  const Vector<NGPositionedFloat>& PositionedFloats() const {
     return positioned_floats_;
   }
 
@@ -51,7 +50,7 @@ class CORE_EXPORT NGPhysicalBoxFragment final : public NGPhysicalFragment {
  private:
   NGPhysicalSize overflow_;
   Vector<RefPtr<NGPhysicalFragment>> children_;
-  Vector<RefPtr<NGFloatingObject>> positioned_floats_;
+  Vector<NGPositionedFloat> positioned_floats_;
   const WTF::Optional<NGLogicalOffset> bfc_offset_;
   const NGMarginStrut end_margin_strut_;
 };