[LayoutNG] Move NGFloatingObject off Oilpan

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

Index: third_party/WebKit/Source/core/layout/ng/ng_floating_object.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_floating_object.h b/third_party/WebKit/Source/core/layout/ng/ng_floating_object.h
index f841775bd529376868fa4073c35852c68e324b6d..844cdee3f436bfcf22e57094a6c4cde57191be9d 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_floating_object.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_floating_object.h
@@ -9,17 +9,15 @@
 #include "core/layout/ng/ng_block_node.h"
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_exclusion.h"
+#include "core/layout/ng/ng_physical_fragment.h"
 #include "core/style/ComputedStyle.h"
 #include "core/style/ComputedStyleConstants.h"
-#include "platform/heap/Handle.h"
+#include "wtf/RefPtr.h"
 
 namespace blink {
 
-class NGPhysicalFragment;
-
 // Struct that keeps all information needed to position floats in LayoutNG.
-struct CORE_EXPORT NGFloatingObject
-    : public GarbageCollectedFinalized<NGFloatingObject> {
+struct CORE_EXPORT NGFloatingObject : public RefCounted<NGFloatingObject> {
   NGFloatingObject(const NGConstraintSpace* space,
                    const NGConstraintSpace* parent_space,
                    const ComputedStyle& style,
@@ -56,9 +54,6 @@ struct CORE_EXPORT NGFloatingObject
   // {@code left_offset} is calculated when we know to which parent this float
   // would be attached.
   LayoutUnit left_offset;
-
-  DEFINE_INLINE_TRACE() {
-  }
 };
 
 }  // namespace blink