[WIP] do something :-)

Source/core/layout/LayoutTableCell.cpp

Index: Source/core/layout/LayoutTableCell.cpp
diff --git a/Source/core/layout/LayoutTableCell.cpp b/Source/core/layout/LayoutTableCell.cpp
index 9a8e4481d00bad32a33127785e37d93eef08260f..26f097f978ca82ce9f0f51e00ad87081718a0a49 100644
--- a/Source/core/layout/LayoutTableCell.cpp
+++ b/Source/core/layout/LayoutTableCell.cpp
@@ -36,18 +36,14 @@
 #include "core/style/CollapsedBorderValue.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/geometry/TransformState.h"
+#include "wtf/SizeAssertions.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
-struct SameSizeAsLayoutTableCell : public LayoutBlockFlow {
-    unsigned bitfields;
-    int paddings[2];
-};
-
-static_assert(sizeof(LayoutTableCell) == sizeof(SameSizeAsLayoutTableCell), "LayoutTableCell should stay small");
-static_assert(sizeof(CollapsedBorderValue) == 8, "CollapsedBorderValue should stay small");
+ASSERT_SIZE(LayoutTableCell, sizeof(LayoutBlockFlow) + 12, sizeof(LayoutBlockFlow) + 16);
+ASSERT_SIZE(CollapsedBorderValue, 8, 8);
 
 LayoutTableCell::LayoutTableCell(Element* element)
     : LayoutBlockFlow(element)