Adapt and reland old position sticky implementation

third_party/WebKit/Source/core/layout/LayoutBox.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 994 matching lines @@
     bool logicalHeightComputesAsNone(SizeType) const;
 
     bool isBox() const = delete; // This will catch anyone doing an unnecessary check.
 
     void frameRectChanged()
     {
         // The frame rect may change because of layout of other objects.
         // Should check this object for paint invalidation.
         if (!needsLayout())
             setMayNeedPaintInvalidation();
+        invalidateScrollAncestorConstraints();
     }
 
     // Returns true if the box intersects the viewport visible to the user.
     bool intersectsVisibleViewport();
 
     bool hitTestChildren(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
 
     void updateBackgroundAttachmentFixedStatusAfterStyleChange();
 
     // The CSS border box rect for this box.
@@ skipping 106 matching lines @@
         if (UNLIKELY(m_inlineBoxWrapper != nullptr))
             deleteLineBoxWrapper();
     }
 
     m_inlineBoxWrapper = boxWrapper;
 }
 
 } // namespace blink
 
 #endif // LayoutBox_h