[LayoutNG] Introduce NGPositionedFloat.

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

Index: third_party/WebKit/Source/core/layout/ng/ng_block_node.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_block_node.cc b/third_party/WebKit/Source/core/layout/ng/ng_block_node.cc
index bbd61ec7daee402fd6fceb1ae045ec573c505fb3..8543417ed581e8465d1379a2db9ad050ec88a1d9 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_block_node.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_block_node.cc
@@ -65,10 +65,10 @@ void FragmentPositionUpdated(const NGPhysicalFragment& fragment) {
 // Similar to FragmentPositionUpdated but for floats.
 // - Updates layout object's geometric information.
 // - Creates legacy FloatingObject and attached it to the provided parent.
-void FloatingObjectPositionedUpdated(NGFloatingObject* ng_floating_object,
+void FloatingObjectPositionedUpdated(const NGPositionedFloat& positioned_float,
                                      LayoutBox* parent) {
   NGPhysicalBoxFragment* box_fragment =
-      ToNGPhysicalBoxFragment(ng_floating_object->fragment.Get());
+      ToNGPhysicalBoxFragment(positioned_float.fragment.Get());
   FragmentPositionUpdated(*box_fragment);
 
   LayoutBox* layout_box = ToLayoutBox(box_fragment->GetLayoutObject());
@@ -78,7 +78,7 @@ void FloatingObjectPositionedUpdated(NGFloatingObject* ng_floating_object,
     FloatingObject* floating_object =
         ToLayoutBlockFlow(parent)->InsertFloatingObject(*layout_box);
     floating_object->SetIsInPlacedTree(false);
-    floating_object->SetX(ng_floating_object->left_offset);
+    floating_object->SetX(positioned_float.left_offset);
     floating_object->SetY(box_fragment->TopOffset());
     floating_object->SetIsPlaced(true);
     floating_object->SetIsInPlacedTree(true);
@@ -302,9 +302,9 @@ void NGBlockNode::CopyFragmentDataToLayoutBox(
 
   // We may still have unpositioned floats when we reach the root box.
   if (!layout_box_->Parent()) {
-    for (const RefPtr<NGFloatingObject>& floating_object :
+    for (const NGPositionedFloat& positioned_float :
          fragment->PositionedFloats()) {
-      FloatingObjectPositionedUpdated(floating_object.Get(), layout_box_);
+      FloatingObjectPositionedUpdated(positioned_float, layout_box_);
     }
   }
 
@@ -312,11 +312,10 @@ void NGBlockNode::CopyFragmentDataToLayoutBox(
     if (child_fragment->IsPlaced())
       FragmentPositionUpdated(ToNGPhysicalBoxFragment(*child_fragment));
 
-    for (const RefPtr<NGFloatingObject>& floating_object :
+    for (const NGPositionedFloat& positioned_float :
          ToNGPhysicalBoxFragment(child_fragment.Get())->PositionedFloats()) {
       FloatingObjectPositionedUpdated(
-          floating_object.Get(),
-          ToLayoutBox(child_fragment->GetLayoutObject()));
+          positioned_float, ToLayoutBox(child_fragment->GetLayoutObject()));
     }
   }