Remove outdated FIXME

Source/core/layout/LayoutBox.cpp

Index: Source/core/layout/LayoutBox.cpp
diff --git a/Source/core/layout/LayoutBox.cpp b/Source/core/layout/LayoutBox.cpp
index cea21096536c19972e910b5159826c6ef4431a8d..3d7b81ff8cc7357e05385991846c87c942b66290 100644
--- a/Source/core/layout/LayoutBox.cpp
+++ b/Source/core/layout/LayoutBox.cpp
@@ -4079,14 +4079,14 @@ void LayoutBox::invalidatePaintRectClippedByOldAndNewBounds(const LayoutBoxModel
     LayoutRect rectClippedByNewBounds = intersection(rect, newBounds);
     // Invalidate only once if the clipped rects equal.
     if (rectClippedByOldBounds == rectClippedByNewBounds) {
-        invalidatePaintUsingContainer(&paintInvalidationContainer, rectClippedByOldBounds, PaintInvalidationIncremental);
+        invalidatePaintUsingContainer(paintInvalidationContainer, rectClippedByOldBounds, PaintInvalidationIncremental);
         return;
     }
     // Invalidate the bigger one if one contains another. Otherwise invalidate both.
     if (!rectClippedByNewBounds.contains(rectClippedByOldBounds))
-        invalidatePaintUsingContainer(&paintInvalidationContainer, rectClippedByOldBounds, PaintInvalidationIncremental);
+        invalidatePaintUsingContainer(paintInvalidationContainer, rectClippedByOldBounds, PaintInvalidationIncremental);
     if (!rectClippedByOldBounds.contains(rectClippedByNewBounds))
-        invalidatePaintUsingContainer(&paintInvalidationContainer, rectClippedByNewBounds, PaintInvalidationIncremental);
+        invalidatePaintUsingContainer(paintInvalidationContainer, rectClippedByNewBounds, PaintInvalidationIncremental);
 }
 
 void LayoutBox::markForPaginationRelayoutIfNeeded(SubtreeLayoutScope& layoutScope)