Fix fixed-background offset issue

Source/core/paint/BackgroundImageGeometry.h

Index: Source/core/paint/BackgroundImageGeometry.h
diff --git a/Source/core/paint/BackgroundImageGeometry.h b/Source/core/paint/BackgroundImageGeometry.h
index c93526541a6a3838f144ba331b2c88ec8f01c9a4..3d8258a927acfd8bbabddbe1f0add5cb0632095f 100644
--- a/Source/core/paint/BackgroundImageGeometry.h
+++ b/Source/core/paint/BackgroundImageGeometry.h
@@ -27,6 +27,8 @@ public:
 
     void calculate(const LayoutBoxModelObject&, const LayoutBoxModelObject* paintContainer,
         const GlobalPaintFlags, const FillLayer&, const LayoutRect& paintRect,
+        // Used during painting to compensate ScrollRecorders for fixed background
+        const IntPoint& accumulatedScrollOffsetSincePaintContainer = IntPoint(),
         LayoutObject* backgroundObject = nullptr);
 
     IntRect destRect() const { return m_destRect; }