Paint backgrounds of a table section/row in one display item

third_party/WebKit/Source/platform/graphics/paint/DisplayItem.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 DisplayItem_h
 #define DisplayItem_h
 
 #include "platform/PlatformExport.h"
 #include "platform/graphics/ContiguousContainer.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
@@ skipping 88 matching lines @@
     kScrollbarBackTrack,
     kScrollbarCorner,
     kScrollbarForwardButtonEnd,
     kScrollbarForwardButtonStart,
     kScrollbarForwardTrack,
     kScrollbarThumb,
     kScrollbarTickmarks,
     kScrollbarTrackBackground,
     kScrollbarCompositedScrollbar,
     kSelectionTint,
-    kTableCellBackgroundFromColumnGroup,
-    kTableCellBackgroundFromColumn,
-    kTableCellBackgroundFromSection,
-    kTableCellBackgroundFromRow,
     // Table collapsed borders can be painted together (e.g., left & top) but
     // there are at most 4 phases of collapsed border painting for a single
     // cell. To disambiguate these phases of collapsed border painting, a mask
     // is used. TableCollapsedBorderBase can be larger than
     // TableCollapsedBorderUnalignedBase to ensure the base lower bits are 0's.
     kTableCollapsedBorderUnalignedBase,
     kTableCollapsedBorderBase =
         (((kTableCollapsedBorderUnalignedBase - 1) >> 4) + 1) << 4,
     kTableCollapsedBorderLast = kTableCollapsedBorderBase + 0x0f,
-    kTableSectionBoxShadowInset,
-    kTableSectionBoxShadowNormal,
-    kTableRowBoxShadowInset,
-    kTableRowBoxShadowNormal,
     kVideoBitmap,
     kWebPlugin,
     kWebFont,
     kReflectionMask,
     kDrawingLast = kReflectionMask,
 
     kForeignLayerFirst,
     kForeignLayerCanvas = kForeignLayerFirst,
     kForeignLayerPlugin,
     kForeignLayerVideo,
@@ skipping 286 matching lines @@
   bool isEndAndPairedWith(DisplayItem::Type otherType) const override = 0;
 #endif
 
  private:
   bool isEnd() const final { return true; }
 };
 
 }  // namespace blink
 
 #endif  // DisplayItem_h