[Line Layout API] Convert InlineBox::boxModelObject to new API

Source/core/layout/LayoutListItem.cpp

Index: Source/core/layout/LayoutListItem.cpp
diff --git a/Source/core/layout/LayoutListItem.cpp b/Source/core/layout/LayoutListItem.cpp
index 15dbf1580c1dad55e905411d03d9837a32c6772e..27cf22d899c4d652d62b3bf66d2dbb22e4dc9075 100644
--- a/Source/core/layout/LayoutListItem.cpp
+++ b/Source/core/layout/LayoutListItem.cpp
@@ -357,7 +357,7 @@ void LayoutListItem::positionListMarker()
                         adjustOverflow = true;
                 }
                 box->setOverflowFromLogicalRects(newLogicalLayoutOverflowRect, newLogicalVisualOverflowRect, lineTop, lineBottom);
-                if (box->boxModelObject()->hasSelfPaintingLayer())
+                if (box->boxModelObject().hasSelfPaintingLayer())
                     hitSelfPaintingLayer = true;
             }
         } else {
@@ -379,7 +379,7 @@ void LayoutListItem::positionListMarker()
                 }
                 box->setOverflowFromLogicalRects(newLogicalLayoutOverflowRect, newLogicalVisualOverflowRect, lineTop, lineBottom);
 
-                if (box->boxModelObject()->hasSelfPaintingLayer())
+                if (box->boxModelObject().hasSelfPaintingLayer())
                     hitSelfPaintingLayer = true;
             }
         }