Fix paint invalidation of paintInvalidationContainer itself

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
  * modify it under the terms of the GNU Library General Public
@@ skipping 348 matching lines @@
 
     mapToVisibleRectInAncestorSpace(paintInvalidationContainer, r, paintInvalidationState);
     return r;
 }
 
 void LayoutTableCell::mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect& r, const PaintInvalidationState* paintInvalidationState) const
 {
     if (ancestor == this)
         return;
     r.setY(r.y());
-    if ((!paintInvalidationState || !paintInvalidationState->canMapToContainer(ancestor)) && parent())
+    if ((!paintInvalidationState || !paintInvalidationState->canMapToAncestor(ancestor)) && parent())
         r.moveBy(-parentBox()->location()); // Rows are in the same coordinate space, so don't add their offset in.
     LayoutBlockFlow::mapToVisibleRectInAncestorSpace(ancestor, r, paintInvalidationState);
 }
 
 int LayoutTableCell::cellBaselinePosition() const
 {
     // <http://www.w3.org/TR/2007/CR-CSS21-20070719/tables.html#height-layout>: The baseline of a cell is the baseline of
     // the first in-flow line box in the cell, or the first in-flow table-row in the cell, whichever comes first. If there
     // is no such line box or table-row, the baseline is the bottom of content edge of the cell box.
     int firstLineBaseline = firstLineBoxBaseline();
@@ skipping 637 matching lines @@
 bool LayoutTableCell::backgroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect) const
 {
     // If this object has layer, the area of collapsed borders should be transparent
     // to expose the collapsed borders painted on the underlying layer.
     if (hasLayer() && table()->collapseBorders())
         return false;
     return LayoutBlockFlow::backgroundIsKnownToBeOpaqueInRect(localRect);
 }
 
 } // namespace blink