[WIP] do something :-)

Source/core/style/StyleRareNonInheritedData.cpp

Index: Source/core/style/StyleRareNonInheritedData.cpp
diff --git a/Source/core/style/StyleRareNonInheritedData.cpp b/Source/core/style/StyleRareNonInheritedData.cpp
index 084284a3acbf2dfa3bfe3afc64456cff0b6390f4..f407e78d106f42e2359758d614d2561bae19fb89 100644
--- a/Source/core/style/StyleRareNonInheritedData.cpp
+++ b/Source/core/style/StyleRareNonInheritedData.cpp
@@ -29,43 +29,11 @@
 #include "core/style/StyleFilterData.h"
 #include "core/style/StyleTransformData.h"
 #include "core/layout/svg/ReferenceFilterBuilder.h"
+#include "wtf/SizeAssertions.h"
 
 namespace blink {
 
-class SameSizeStyleRareNonInheritedData : public RefCounted<StyleRareNonInheritedData> {
-public:
-    float floats[3];
-    int integers;
-
-    LengthPoint lengthPoints[2];
-    LineClampValue lineClamps;
-    DraggableRegionMode draggableRegions;
-
-    void* dataRefs[10];
-    void* ownPtrs[4];
-#if ENABLE(OILPAN)
-    Persistent<void*> persistentHandles[2];
-    void* refPtrs[2];
-#else
-    void* refPtrs[4];
-#endif
-
-    FillLayer fillLayers;
-    NinePieceImage ninePieces;
-    FloatSize floatSize;
-    Length lengths;
-
-    StyleColor styleColors[8];
-
-    Vector<String> m_callbackSelectors;
-
-    StyleContentAlignmentData contentAlignmentData[2];
-    StyleSelfAlignmentData selfAlignmentData[4];
-
-    unsigned m_bitFields[2];
-};
-
-static_assert(sizeof(StyleRareNonInheritedData) == sizeof(SameSizeStyleRareNonInheritedData), "StyleRareNonInheritedData_should_stay_small");
+ASSERT_SIZE(StyleRareNonInheritedData, 312, 400);
 
 StyleRareNonInheritedData::StyleRareNonInheritedData()
     : opacity(ComputedStyle::initialOpacity())