Store repaint rects in the coordinate space of their backing GraphicsLayer.

Source/core/rendering/RenderTableCell.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 350 matching lines @@
     LayoutPoint location(max<LayoutUnit>(left, -visualOverflowRect().x()), max<LayoutUnit>(top, -visualOverflowRect().y()));
     LayoutRect r(-location.x(), -location.y(), location.x() + max(width() + right, visualOverflowRect().maxX()), location.y() + max(height() + bottom, visualOverflowRect().maxY()));
 
     if (!RuntimeEnabledFeatures::repaintAfterLayoutEnabled()) {
         if (RenderView* v = view()) {
             // FIXME: layoutDelta needs to be applied in parts before/after transforms and
             // repaint containers. https://bugs.webkit.org/show_bug.cgi?id=23308
             r.move(v->layoutDelta());
         }
     }
-    computeRectForRepaint(repaintContainer, r);
+    mapRectToRepaintBacking(repaintContainer, r);
     return r;
 }
 
-void RenderTableCell::computeRectForRepaint(const RenderLayerModelObject* repaintContainer, LayoutRect& r, bool fixed) const
+void RenderTableCell::mapRectToRepaintBacking(const RenderLayerModelObject* repaintContainer, LayoutRect& r, bool fixed) const
 {
     if (repaintContainer == this)
         return;
     r.setY(r.y());
     RenderView* v = view();
     if ((!v || !v->canUseLayoutStateForContainer(repaintContainer)) && parent())
         r.moveBy(-parentBox()->location()); // Rows are in the same coordinate space, so don't add their offset in.
-    RenderBlockFlow::computeRectForRepaint(repaintContainer, r, fixed);
+    RenderBlockFlow::mapRectToRepaintBacking(repaintContainer, r, fixed);
 }
 
 LayoutUnit RenderTableCell::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.
     LayoutUnit firstLineBaseline = firstLineBoxBaseline();
     if (firstLineBaseline != -1)
         return firstLineBaseline;
@@ skipping 879 matching lines @@
 
 RenderTableCell* RenderTableCell::createAnonymousWithParentRenderer(const RenderObject* parent)
 {
     RenderTableCell* newCell = RenderTableCell::createAnonymous(&parent->document());
     RefPtr<RenderStyle> newStyle = RenderStyle::createAnonymousStyleWithDisplay(parent->style(), TABLE_CELL);
     newCell->setStyle(newStyle.release());
     return newCell;
 }
 
 } // namespace WebCore