[Layout API] Use ownerLayoutItem() in ObjectPaintInvalidator

third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp

Index: third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp
diff --git a/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp b/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp
index cc06d4a84ffa768d2562263632f4bc878371f461..ae7c97bb3258390a1edbeb43635e436778259c44 100644
--- a/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp
+++ b/third_party/WebKit/Source/core/paint/ObjectPaintInvalidator.cpp
@@ -199,7 +199,7 @@ static void invalidatePaintRectangleOnWindow(const LayoutBoxModelObject& paintIn
     if (!frameView || paintInvalidationContainer.document().printing())
         return;
 
-    DCHECK(!frameView->frame().ownerLayoutObject());
+    DCHECK(frameView->frame().ownerLayoutItem().isNull());
 
     IntRect paintRect = dirtyRect;
     paintRect.intersect(frameView->visibleContentRect());