Treat zero-width collapsed borders as invisible

third_party/WebKit/Source/core/paint/TableCellPainter.h

 // Copyright 2014 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.
 
 #ifndef TableCellPainter_h
 #define TableCellPainter_h
 
-#include "core/style/CollapsedBorderValue.h"
 #include "platform/graphics/paint/DisplayItem.h"
 #include "platform/wtf/Allocator.h"
 
 namespace blink {
 
 struct PaintInfo;
 class CollapsedBorderValue;
 class LayoutPoint;
 class LayoutRect;
 class LayoutTableCell;
@@ skipping 26 matching lines @@
   void PaintBackground(const PaintInfo&,
                        const LayoutRect&,
                        const LayoutObject& background_object);
 
   const LayoutTableCell& layout_table_cell_;
 };
 
 }  // namespace blink
 
 #endif  // TableCellPainter_h