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

third_party/WebKit/Source/platform/graphics/paint/DisplayItem.cpp

 // 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.
 
 #include "platform/graphics/paint/DisplayItem.h"
 
 namespace blink {
 
 struct SameSizeAsDisplayItem {
   virtual ~SameSizeAsDisplayItem() {}  // Allocate vtable pointer.
@@ skipping 104 matching lines @@
     DEBUG_STRING_CASE(ScrollbarBackTrack);
     DEBUG_STRING_CASE(ScrollbarCorner);
     DEBUG_STRING_CASE(ScrollbarForwardButtonEnd);
     DEBUG_STRING_CASE(ScrollbarForwardButtonStart);
     DEBUG_STRING_CASE(ScrollbarForwardTrack);
     DEBUG_STRING_CASE(ScrollbarThumb);
     DEBUG_STRING_CASE(ScrollbarTickmarks);
     DEBUG_STRING_CASE(ScrollbarTrackBackground);
     DEBUG_STRING_CASE(ScrollbarCompositedScrollbar);
     DEBUG_STRING_CASE(SelectionTint);
-    DEBUG_STRING_CASE(TableCellBackgroundFromColumnGroup);
-    DEBUG_STRING_CASE(TableCellBackgroundFromColumn);
-    DEBUG_STRING_CASE(TableCellBackgroundFromSection);
-    DEBUG_STRING_CASE(TableCellBackgroundFromRow);
-    DEBUG_STRING_CASE(TableSectionBoxShadowInset);
-    DEBUG_STRING_CASE(TableSectionBoxShadowNormal);
-    DEBUG_STRING_CASE(TableRowBoxShadowInset);
-    DEBUG_STRING_CASE(TableRowBoxShadowNormal);
     DEBUG_STRING_CASE(VideoBitmap);
     DEBUG_STRING_CASE(WebPlugin);
     DEBUG_STRING_CASE(WebFont);
     DEBUG_STRING_CASE(ReflectionMask);
 
     DEFAULT_CASE;
   }
 }
 
 static WTF::String drawingTypeAsDebugString(DisplayItem::Type type) {
@@ skipping 118 matching lines @@
   stringBuilder.append("\", type: \"");
   stringBuilder.append(typeAsDebugString(getType()));
   stringBuilder.append('"');
   if (m_skippedCache)
     stringBuilder.append(", skippedCache: true");
 }
 
 #endif
 
 }  // namespace blink