Handle nested position:sticky elements

third_party/WebKit/Source/core/layout/LayoutTableCell.cpp

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc.
  *               All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 377 matching lines @@
 }
 
 void LayoutTableCell::setOverrideLogicalContentHeightFromRowHeight(
     LayoutUnit rowHeight) {
   clearIntrinsicPadding();
   setOverrideLogicalContentHeight(
       (rowHeight - collapsedBorderAndCSSPaddingLogicalHeight())
           .clampNegativeToZero());
 }
 
-LayoutSize LayoutTableCell::offsetFromContainer(const LayoutObject* o) const {
+LayoutSize LayoutTableCell::offsetFromContainer(const LayoutObject* o,
+                                                bool ignoreSticky) const {
   ASSERT(o == container());
 
   LayoutSize offset = LayoutBlockFlow::offsetFromContainer(o);
   if (parent())
     offset -= parentBox()->locationOffset();
 
   return offset;
 }
 
 LayoutRect LayoutTableCell::localVisualRect() const {
@@ skipping 1083 matching lines @@
 }
 
 bool LayoutTableCell::hasLineIfEmpty() const {
   if (node() && hasEditableStyle(*node()))
     return true;
 
   return LayoutBlock::hasLineIfEmpty();
 }
 
 }  // namespace blink