WIP: Skeleton for paint offset caching

Source/core/paint/TablePainter.cpp

Index: Source/core/paint/TablePainter.cpp
diff --git a/Source/core/paint/TablePainter.cpp b/Source/core/paint/TablePainter.cpp
index 34b3f64c0558ef6f41c1be59d32e9ed93f02f854..a4736aa2108a638af47de28c2c97857b6987571e 100644
--- a/Source/core/paint/TablePainter.cpp
+++ b/Source/core/paint/TablePainter.cpp
@@ -68,7 +68,7 @@ void TablePainter::paintObject(const PaintInfo& paintInfo, const LayoutPoint& pa
     if ((paintPhase == PaintPhaseOutline || paintPhase == PaintPhaseSelfOutline) && m_layoutTable.style()->hasOutline() && m_layoutTable.style()->visibility() == VISIBLE) {
         LayoutRect overflowRect(m_layoutTable.visualOverflowRect());
         overflowRect.moveBy(paintOffset);
-        ObjectPainter(m_layoutTable).paintOutline(paintInfo, LayoutRect(paintOffset, m_layoutTable.size()), overflowRect);
+        ObjectPainter(m_layoutTable).paintOutline(paintInfo, LayoutRect(paintOffset, m_layoutTable.size()), overflowRect, paintOffset);
     }
 }
 
@@ -87,12 +87,12 @@ void TablePainter::paintMask(const PaintInfo& paintInfo, const LayoutPoint& pain
     if (m_layoutTable.style()->visibility() != VISIBLE || paintInfo.phase != PaintPhaseMask)
         return;
 
-    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutTable, paintInfo.phase))
+    if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(*paintInfo.context, m_layoutTable, paintInfo.phase, paintOffset))
         return;
 
     LayoutRect rect(paintOffset, m_layoutTable.size());
     m_layoutTable.subtractCaptionRect(rect);
-    LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutTable, paintInfo.phase, pixelSnappedIntRect(rect));
+    LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutTable, paintInfo.phase, pixelSnappedIntRect(rect), paintOffset);
     BoxPainter(m_layoutTable).paintMaskImages(paintInfo, rect);
 }