Replace LayoutTableCell::AbsoluteColumnIndex() with EffectiveColumnIndex()

third_party/WebKit/Source/core/paint/TableCellPaintInvalidator.cpp

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/TableCellPaintInvalidator.h"
 
 #include "core/layout/LayoutTable.h"
 #include "core/layout/LayoutTableCell.h"
 #include "core/layout/LayoutTableCol.h"
 #include "core/layout/LayoutTableRow.h"
@@ skipping 18 matching lines @@
       else
         ObjectPaintInvalidator(row).SlowSetPaintingLayerNeedsRepaint();
       row.InvalidateDisplayItemClients(PaintInvalidationReason::kGeometry);
     }
 
     const auto& section = *row.Section();
     if (section.GetPaintInvalidationReason() ==
         PaintInvalidationReason::kNone) {
       bool section_paints_background = section.StyleRef().HasBackground();
       if (!section_paints_background) {
-        auto col_and_colgroup = section.Table()->ColElementAtAbsoluteColumn(
-            cell_.AbsoluteColumnIndex());
+        auto col_and_colgroup = cell_.GetColAndColGroup();
         if ((col_and_colgroup.col &&
              col_and_colgroup.col->StyleRef().HasBackground()) ||
             (col_and_colgroup.colgroup &&
              col_and_colgroup.colgroup->StyleRef().HasBackground()))
           section_paints_background = true;
       }
       if (section_paints_background) {
         if (RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled()) {
           context_.parent_context->parent_context->painting_layer
               ->SetNeedsRepaint();
         } else {
           ObjectPaintInvalidator(section).SlowSetPaintingLayerNeedsRepaint();
         }
         section.InvalidateDisplayItemClients(
             PaintInvalidationReason::kGeometry);
       }
     }
   }
 
   return BlockPaintInvalidator(cell_).InvalidatePaint(context_);
 }
 
 }  // namespace blink