Let table row and section's self visual overflow cover whole collapsed borders

third_party/WebKit/Source/core/layout/LayoutTableSection.h

Index: third_party/WebKit/Source/core/layout/LayoutTableSection.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableSection.h b/third_party/WebKit/Source/core/layout/LayoutTableSection.h
index 8586c49858f28d7464d2850df116477a8cd486ec..b6ac8c5d214d52c43b1088740202c8b79b104c83 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableSection.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTableSection.h
@@ -121,7 +121,7 @@ class CORE_EXPORT LayoutTableSection final : public LayoutTableBoxComponent {
   int VBorderSpacingBeforeFirstRow() const;
   int CalcRowLogicalHeight();
   void LayoutRows();
-  void ComputeOverflowFromCells();
+  void ComputeOverflowFromDescendants();
   bool RecalcChildOverflowAfterStyleChange();
 
   void MarkAllCellsWidthsDirtyAndOrNeedsLayout(LayoutTable::WhatToMarkAllCells);
@@ -432,8 +432,6 @@ class CORE_EXPORT LayoutTableSection final : public LayoutTableBoxComponent {
            force_slow_paint_path_with_overflowing_cell_;
   }
 
-  void ComputeOverflowFromCells(unsigned total_rows, unsigned n_eff_cols);
-
   // These two functions take a rectangle as input that has been flipped by
   // logicalRectForWritingModeAndDirection.
   // The returned span of rows or columns is end-exclusive, and empty if