Display table header groups at the top of each page

third_party/WebKit/Source/core/paint/TablePainter.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 TablePainter_h
 #define TablePainter_h
 
 #include "wtf/Allocator.h"
 
 namespace blink {
 
+class CollapsedBorderValue;
+class LayoutBox;
 class LayoutPoint;
 class LayoutTable;
 struct PaintInfo;
 
 class TablePainter {
     STACK_ALLOCATED();
 public:
     TablePainter(const LayoutTable& layoutTable) : m_layoutTable(layoutTable) { }
 
     void paintObject(const PaintInfo&, const LayoutPoint&);
     void paintBoxDecorationBackground(const PaintInfo&, const LayoutPoint&);
     void paintMask(const PaintInfo&, const LayoutPoint&);
 
 private:
+    enum ItemToPaint {
+        PaintCollapsedBorders,
+        PaintChild
+    };
+    void paintRepeatingHeaderGroup(const PaintInfo&, const LayoutPoint& paintOffset, LayoutBox* child, const CollapsedBorderValue& currentBorderValue, ItemToPaint);
+
     const LayoutTable& m_layoutTable;
 };
 
 } // namespace blink
 
 #endif // TablePainter_h