Calculate correct clip foregroundBound and backgroundBound

Source/core/paint/DeprecatedPaintLayerClipper.cpp

Index: Source/core/paint/DeprecatedPaintLayerClipper.cpp
diff --git a/Source/core/paint/DeprecatedPaintLayerClipper.cpp b/Source/core/paint/DeprecatedPaintLayerClipper.cpp
index 170ec2808e2fb14fe8f12168aa1ccbaf212d4d29..4172bd88a7e7c9f92580965e6ae97b3c3a9da252 100644
--- a/Source/core/paint/DeprecatedPaintLayerClipper.cpp
+++ b/Source/core/paint/DeprecatedPaintLayerClipper.cpp
@@ -112,7 +112,7 @@ void DeprecatedPaintLayerClipper::calculateRects(const ClipRectsContext& context
 
     if (!isClippingRoot && m_layoutObject.layer()->parent()) {
         backgroundRect = backgroundClipRect(context);
-        backgroundRect.move(roundedIntSize(context.subPixelAccumulation));
+        backgroundRect.move(context.subPixelAccumulation);
         backgroundRect.intersect(paintDirtyRect);
     } else {
         backgroundRect = paintDirtyRect;