[Layout API] Use ownerLayoutItem() in LayoutView (part 2)

third_party/WebKit/Source/core/layout/api/LayoutBoxItem.h

Index: third_party/WebKit/Source/core/layout/api/LayoutBoxItem.h
diff --git a/third_party/WebKit/Source/core/layout/api/LayoutBoxItem.h b/third_party/WebKit/Source/core/layout/api/LayoutBoxItem.h
index b0bc90ae3823e2720cc75649c58333d2d3c481f6..0809fb983bf1d69f06e73af4bbcafceff336c78e 100644
--- a/third_party/WebKit/Source/core/layout/api/LayoutBoxItem.h
+++ b/third_party/WebKit/Source/core/layout/api/LayoutBoxItem.h
@@ -72,6 +72,16 @@ public:
         return toBox()->overflowClipRect(location, behavior);
     }
 
+    LayoutSize contentBoxOffset() const
+    {
+        return toBox()->contentBoxOffset();
+    }
+
+    void mapLocalToAncestor(const LayoutBoxModelObject* ancestor, TransformState& state, MapCoordinatesFlags flags = ApplyContainerFlip) const
+    {
+        toBox()->mapLocalToAncestor(ancestor, state, flags);
+    }
+
 private:
     LayoutBox* toBox()
     {