Move border-*-width out of BorderValue and store on SurroundData in ComputedStyle instead

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

 /*
  * 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, 2009, 2013 Apple Inc.
  *               All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 233 matching lines @@
   }
 
   // This function is used to unify which table part's style we use for
   // computing direction and writing mode. Writing modes are not allowed on row
   // group and row but direction is. This means we can safely use the same style
   // in all cases to simplify our code.
   // FIXME: Eventually this function should replaced by style() once we support
   // direction on all table parts and writing-mode on cells.
   const ComputedStyle& StyleForCellFlow() const { return Row()->StyleRef(); }
 
-  const BorderValue& BorderAdjoiningTableStart() const {
+  BorderValue BorderAdjoiningTableStart() const {
 #if DCHECK_IS_ON()
     DCHECK(IsFirstOrLastCellInRow());
 #endif
     if (Section()->HasSameDirectionAs(Table()))
       return Style()->BorderStart();
 
     return Style()->BorderEnd();
   }
 
-  const BorderValue& BorderAdjoiningTableEnd() const {
+  BorderValue BorderAdjoiningTableEnd() const {
 #if DCHECK_IS_ON()
     DCHECK(IsFirstOrLastCellInRow());
 #endif
     if (Section()->HasSameDirectionAs(Table()))
       return Style()->BorderEnd();
 
     return Style()->BorderStart();
   }
 
-  const BorderValue& BorderAdjoiningCellBefore(const LayoutTableCell* cell) {
+  BorderValue BorderAdjoiningCellBefore(const LayoutTableCell* cell) {
     DCHECK_EQ(Table()->CellAfter(cell), this);
     // FIXME: https://webkit.org/b/79272 - Add support for mixed directionality
     // at the cell level.
     return Style()->BorderStart();
   }
 
-  const BorderValue& BorderAdjoiningCellAfter(const LayoutTableCell* cell) {
+  BorderValue BorderAdjoiningCellAfter(const LayoutTableCell* cell) {
     DCHECK_EQ(Table()->CellBefore(cell), this);
     // FIXME: https://webkit.org/b/79272 - Add support for mixed directionality
     // at the cell level.
     return Style()->BorderEnd();
   }
 
 #if DCHECK_IS_ON()
   bool IsFirstOrLastCellInRow() const {
     return !Table()->CellAfter(this) || !Table()->CellBefore(this);
   }
@@ skipping 179 matching lines @@
   return ToLayoutTableCell(FirstChild());
 }
 
 inline LayoutTableCell* LayoutTableRow::LastCell() const {
   return ToLayoutTableCell(LastChild());
 }
 
 }  // namespace blink
 
 #endif  // LayoutTableCell_h