Fix paint invalidation rect tracking within composited scrolling layers.

Source/core/paint/DeprecatedPaintLayer.cpp

Index: Source/core/paint/DeprecatedPaintLayer.cpp
diff --git a/Source/core/paint/DeprecatedPaintLayer.cpp b/Source/core/paint/DeprecatedPaintLayer.cpp
index e959ac12c71119335e8658c459a34e4855746927..d4cdfde30cf69cf9791b58d9f0dd2a4f00619506 100644
--- a/Source/core/paint/DeprecatedPaintLayer.cpp
+++ b/Source/core/paint/DeprecatedPaintLayer.cpp
@@ -327,9 +327,7 @@ void DeprecatedPaintLayer::updateLayerPositionsAfterScrollRecursive(const Double
         // the current bounds rect, as the LayoutObject may have moved since the last invalidation.
         // FIXME(416535): Ideally, pending invalidations of scrolling content should be stored in
         // the coordinate space of the scrolling content layer, so that they need no adjustment.
-        LayoutRect invalidationRect = m_layoutObject->previousPaintInvalidationRect();
-        invalidationRect.move(LayoutSize(scrollDelta));
-        m_layoutObject->setPreviousPaintInvalidationRect(invalidationRect);
+        m_layoutObject->adjustPreviousPaintInvalidationForScrollIfNeeded(scrollDelta);
     }
     for (DeprecatedPaintLayer* child = firstChild(); child; child = child->nextSibling()) {
         child->updateLayerPositionsAfterScrollRecursive(scrollDelta,