[WIP] do something :-)

Source/core/style/StyleRareInheritedData.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 12 matching lines @@
 #include "core/style/StyleRareInheritedData.h"
 
 #include "core/style/AppliedTextDecoration.h"
 #include "core/style/CursorData.h"
 #include "core/style/DataEquivalency.h"
 #include "core/style/ComputedStyle.h"
 #include "core/style/ComputedStyleConstants.h"
 #include "core/style/QuotesData.h"
 #include "core/style/ShadowList.h"
 #include "core/style/StyleImage.h"
+#include "wtf/SizeAssertions.h"
 
 namespace blink {
 
-struct SameSizeAsStyleRareInheritedData : public RefCounted<SameSizeAsStyleRareInheritedData> {
-    void* styleImage;
-    Color firstColor;
-    float firstFloat;
-    Color colors[5];
-    void* ownPtrs[1];
-    AtomicString atomicStrings[4];
-#if ENABLE(OILPAN)
-    void* refPtrs[1];
-    Persistent<void*> persistentHandles[2];
-#else
-    void* refPtrs[3];
-#endif
-    Length lengths[1];
-    float secondFloat;
-    unsigned m_bitfields[2];
-    short pagedMediaShorts[2];
-    short hyphenationShorts[3];
-
-    Color touchColors;
-    TabSize tabSize;
-};
-
-static_assert(sizeof(StyleRareInheritedData) <= sizeof(SameSizeAsStyleRareInheritedData), "StyleRareInheritedData should stay small");
+ASSERT_SIZE(StyleRareInheritedData, 112, 160);
 
 StyleRareInheritedData::StyleRareInheritedData()
     : listStyleImage(ComputedStyle::initialListStyleImage())
     , textStrokeWidth(ComputedStyle::initialTextStrokeWidth())
     , indent(ComputedStyle::initialTextIndent())
     , m_effectiveZoom(ComputedStyle::initialZoom())
     , widows(ComputedStyle::initialWidows())
     , orphans(ComputedStyle::initialOrphans())
     , m_hasAutoOrphans(true)
     , m_textStrokeColorIsCurrentColor(true)
@@ skipping 162 matching lines @@
 {
     return dataEquivalent(textShadow.get(), o.textShadow.get());
 }
 
 bool StyleRareInheritedData::quotesDataEquivalent(const StyleRareInheritedData& o) const
 {
     return dataEquivalent(quotes, o.quotes);
 }
 
 } // namespace blink